Esempio n. 1
0
        /// <summary>
        /// Destroys object
        /// </summary>
        /// <param name="disposing">Flag, allowing destruction of
        /// managed objects contained in fields of class</param>
        private void Dispose(bool disposing)
        {
            if (_disposedFlag.Set())
            {
                if (disposing)
                {
                    if (_dispatcher != null)
                    {
                        _dispatcher.Invoke(DisposeUnmanagedResources);

                        _dispatcher.Dispose();
                        _dispatcher = null;
                    }

                    if (_typeMapper != null)
                    {
                        _typeMapper.Dispose();
                        _typeMapper = null;
                    }

                    _promiseContinuationCallback = null;
                }
                else
                {
                    DisposeUnmanagedResources();
                }
            }
        }
Esempio n. 2
0
        /// <summary>
        /// Constructs an instance of adapter for the ChakraCore JS engine
        /// </summary>
        /// <param name="settings">Settings of the ChakraCore JS engine</param>
        public ChakraCoreJsEngine(ChakraCoreSettings settings)
        {
#if NETFULL
            Initialize();
#endif
            ChakraCoreSettings chakraCoreSettings = settings ?? new ChakraCoreSettings();

            JsRuntimeAttributes attributes = JsRuntimeAttributes.AllowScriptInterrupt;
            if (chakraCoreSettings.DisableBackgroundWork)
            {
                attributes |= JsRuntimeAttributes.DisableBackgroundWork;
            }
            if (chakraCoreSettings.DisableEval)
            {
                attributes |= JsRuntimeAttributes.DisableEval;
            }
            if (chakraCoreSettings.DisableExecutablePageAllocation)
            {
                attributes |= JsRuntimeAttributes.DisableExecutablePageAllocation;
            }
            if (chakraCoreSettings.DisableFatalOnOOM)
            {
                attributes |= JsRuntimeAttributes.DisableFatalOnOOM;
            }
            if (chakraCoreSettings.DisableNativeCodeGeneration)
            {
                attributes |= JsRuntimeAttributes.DisableNativeCodeGeneration;
            }
            if (chakraCoreSettings.EnableExperimentalFeatures)
            {
                attributes |= JsRuntimeAttributes.EnableExperimentalFeatures;
            }

#if NETSTANDARD1_3
            _dispatcher = new ScriptDispatcher();
#else
            _dispatcher = new ScriptDispatcher(chakraCoreSettings.MaxStackSize);
#endif
            _promiseContinuationCallback = PromiseContinuationCallback;

            try
            {
                _dispatcher.Invoke(() =>
                {
                    _jsRuntime             = JsRuntime.Create(attributes, null);
                    _jsRuntime.MemoryLimit = settings.MemoryLimit;

                    _jsContext = _jsRuntime.CreateContext();
                    if (_jsContext.IsValid)
                    {
                        _jsContext.AddRef();
                    }
                });
            }
            catch (DllNotFoundException e)
            {
                throw WrapDllNotFoundException(e);
            }
            catch (Exception e)
            {
                throw CoreErrorHelpers.WrapEngineLoadException(e, EngineName, EngineVersion, true);
            }
            finally
            {
                if (!_jsContext.IsValid)
                {
                    Dispose();
                }
            }
        }