コード例 #1
0
        private static void EmitInvoker(EmitHelper emit, MethodInfo method, int?argc, bool setter)
        {
            var parameters = method.GetParameters();
            var methodArgC = parameters.Length;

            if (!argc.HasValue)
            {
                EmitThrowIfArgumentCountMismatch(emit, methodArgC);
                argc = methodArgC;
            }

            emit.LdArg(retvalArgIndex);

            // instance method
            if (!method.IsStatic)
            {
                emit.LdArg(objArgIndex);
            }

            // prepare arguments
            for (var i = 0; i < parameters.Length; i++)
            {
                var parameter = parameters[i];

                if (i < argc.Value)
                {
                    var changeTypeMethod = CefConvert.GetChangeTypeMethod(typeof(cef_v8value_t *), parameter.ParameterType);

                    EmitLdV8Argument(emit, i);
                    emit.Call(changeTypeMethod);
                }
                else
                {
                    // push default arg
                    if (!parameter.IsOptional)
                    {
                        throw new JSBindingException("MethodInvoker compilation error.");
                    }

                    EmitLdRawDefaultValue(emit, parameter.RawDefaultValue);
                }
            }

            // call target method
            if (method.IsStatic)
            {
                emit.Call(method);
            }
            else
            {
                emit.CallVirt(method);
            }


            if (method.ReturnType == typeof(void))
            {
                // If method is setter, then it can be called with retval == null from V8Accessor.
                if (setter)
                {
                    var returnValueLabel = emit.DefineLabel();

                    emit.Dup()
                    .BrTrueS(returnValueLabel)
                    .Pop()
                    .Ret()
                    .MarkLabel(returnValueLabel);
                    ;
                }

                if (ForceVoidToUndefined)
                {
                    emit.Call(createUndefinedNativeV8ValueMethod);
                }
                else
                {
                    emit.LdNull();
                }
            }
            else
            {
                // convert return value
                var retValchangeTypeMethod = CefConvert.GetChangeTypeMethod(method.ReturnType, typeof(cef_v8value_t *));
                emit.Call(retValchangeTypeMethod);
            }

            // store result at retval
            emit.StIndI();

            // return
            emit.Ret();
        }
コード例 #2
0
        private static void EmitInvoker(EmitHelper emit, MethodInfo method, int? argc, bool setter)
        {
            var parameters = method.GetParameters();
            var methodArgC = parameters.Length;

            if (!argc.HasValue)
            {
                EmitThrowIfArgumentCountMismatch(emit, methodArgC);
                argc = methodArgC;
            }

            emit.LdArg(retvalArgIndex);

            // instance method
            if (!method.IsStatic)
            {
                emit.LdArg(objArgIndex);
            }

            // prepare arguments
            for (var i = 0; i < parameters.Length; i++)
            {
                var parameter = parameters[i];

                if (i < argc.Value)
                {
                    var changeTypeMethod = CefConvert.GetChangeTypeMethod(typeof(cef_v8value_t*), parameter.ParameterType);

                    EmitLdV8Argument(emit, i);
                    emit.Call(changeTypeMethod);
                }
                else
                {
                    // push default arg
                    if (!parameter.IsOptional) throw new JSBindingException("MethodInvoker compilation error.");

                    EmitLdRawDefaultValue(emit, parameter.RawDefaultValue);
                }
            }

            // call target method
            if (method.IsStatic)
            {
                emit.Call(method);
            }
            else
            {
                emit.CallVirt(method);
            }

            if (method.ReturnType == typeof(void))
            {
                // If method is setter, then it can be called with retval == null from V8Accessor.
                if (setter)
                {
                    var returnValueLabel = emit.DefineLabel();

                    emit.Dup()
                        .BrTrueS(returnValueLabel)
                        .Pop()
                        .Ret()
                        .MarkLabel(returnValueLabel);
                    ;
                }

                if (ForceVoidToUndefined)
                {
                    emit.Call(createUndefinedNativeV8ValueMethod);
                }
                else
                {
                    emit.LdNull();
                }
            }
            else
            {
                // convert return value
                var retValchangeTypeMethod = CefConvert.GetChangeTypeMethod(method.ReturnType, typeof(cef_v8value_t*));
                emit.Call(retValchangeTypeMethod);
            }

            // store result at retval
            emit.StIndI();

            // return
            emit.Ret();
        }