public CCFixture()
{
runtime = JsRuntime.Create(JsRuntimeAttributes.AllowScriptInterrupt);
context = runtime.CreateContext();
context.AddRef();
typeMapper = new TypeMapper();
}
public BaseProgram(Runtime runtime, JsContext context, TypeMapper typeMapper)
{
context.AddRef();
_runtime = runtime;
_context = context;
_typeMapper = typeMapper;
logger = runtime.serviceProvider?.GetService <ILogger <BaseProgram> >();
}
/// <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)
{
ChakraCoreSettings chakraCoreSettings = settings ?? new ChakraCoreSettings();
JsRuntimeAttributes attributes = JsRuntimeAttributes.None;
if (chakraCoreSettings.DisableBackgroundWork)
{
attributes |= JsRuntimeAttributes.DisableBackgroundWork;
}
if (chakraCoreSettings.DisableNativeCodeGeneration)
{
attributes |= JsRuntimeAttributes.DisableNativeCodeGeneration;
}
if (chakraCoreSettings.DisableEval)
{
attributes |= JsRuntimeAttributes.DisableEval;
}
if (chakraCoreSettings.EnableExperimentalFeatures)
{
attributes |= JsRuntimeAttributes.EnableExperimentalFeatures;
}
_externalObjectFinalizeCallback = ExternalObjectFinalizeCallback;
_dispatcher.Invoke(() =>
{
try
{
_jsRuntime = JsRuntime.Create(attributes, null);
_jsContext = _jsRuntime.CreateContext();
_jsContext.AddRef();
}
catch (Exception e)
{
throw new JsEngineLoadException(
string.Format(CoreStrings.Runtime_JsEngineNotLoaded,
EngineName, e.Message), EngineName, EngineVersion, e);
}
});
}
/// <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();
}
}
}
static void Main(string[] args)
{
using (JsRuntime runtime = JsRuntime.Create())
{
JsContext context = runtime.CreateContext();
context.AddRef();
JsSourceContext sourceContext = JsSourceContext.FromIntPtr(IntPtr.Zero);
var moduleManager = new EsModuleManager(() => sourceContext++);
var scope = new JsScope(context);
try
{
JsValue moduleNamespace;
// It's not working. Always returns a result equal to `undefined`.
JsValue resultValue = moduleManager.EvaluateModuleCode(
@"import * as geometry from './geometry/geometry.js';
new geometry.Square(15).area;",
"Files/main-with-return-value.js",
out moduleNamespace
);
WriteLine("Return value: {0}", resultValue.ConvertToString().ToString());
// It's works. We can return the result value by using the default export.
moduleManager.EvaluateModuleCode(
@"import * as geometry from './geometry/geometry.js';
export default new geometry.Square(20).area;",
"Files/main-with-default-export.js",
out moduleNamespace
);
JsPropertyId defaultPropertyId = JsPropertyId.FromString("default");
JsValue defaultPropertyValue = moduleNamespace.GetProperty(defaultPropertyId);
WriteLine("Default export: {0}", defaultPropertyValue.ConvertToString().ToString());
// It's works. We can return the result value by using the named export.
moduleManager.EvaluateModuleCode(
@"import * as geometry from './geometry/geometry.js';
export let squareArea = new geometry.Square(25).area;",
"Files/main-with-named-export.js",
out moduleNamespace
);
JsPropertyId squareAreaPropertyId = JsPropertyId.FromString("squareArea");
JsValue squareAreaPropertyValue = moduleNamespace.GetProperty(squareAreaPropertyId);
WriteLine("Named export: {0}", squareAreaPropertyValue.ConvertToString().ToString());
}
catch (JsException e)
{
WriteLine("During working of JavaScript engine an error occurred.");
WriteLine();
Write(e.Message);
var scriptException = e as JsScriptException;
if (scriptException != null)
{
WriteLine();
JsValue errorValue = scriptException.Metadata.GetProperty("exception");
JsValueType errorValueType = errorValue.ValueType;
if (errorValueType == JsValueType.Error || errorValueType == JsValueType.Object)
{
JsValue messageValue;
JsPropertyId stackPropertyId = JsPropertyId.FromString("stack");
if (errorValue.HasProperty(stackPropertyId))
{
messageValue = errorValue.GetProperty(stackPropertyId);
}
else
{
messageValue = errorValue.GetProperty("message");
}
WriteLine(messageValue.ToString());
}
else if (errorValueType == JsValueType.String)
{
WriteLine(errorValue.ToString());
}
else
{
WriteLine(errorValue.ConvertToString().ToString());
}
}
}
finally
{
scope.Dispose();
moduleManager?.Dispose();
context.Release();
}
}
}