/// <summary>
/// Removes a reference to the value
/// </summary>
/// <param name="value">The value</param>
private static void RemoveReferenceToValue(IeJsValue value)
{
if (CanHaveReferences(value))
{
value.Release();
}
}
/// <summary>
/// Adds a reference to the value
/// </summary>
/// <param name="value">The value</param>
private static void AddReferenceToValue(IeJsValue value)
{
if (CanHaveReferences(value))
{
value.AddRef();
}
}
private IeJsValue FromObject(object value)
{
var del = value as Delegate;
IeJsValue objValue = del != null?CreateFunctionFromDelegate(del) : CreateExternalObjectFromObject(value);
return(objValue);
}
private object ToObject(IeJsValue value)
{
object result = value.HasExternalData ?
GCHandle.FromIntPtr(value.ExternalData).Target : value.ConvertToObject();
return(result);
}
private void FreezeObject(IeJsValue objValue)
{
IeJsValue objectValue = IeJsValue.GlobalObject.GetProperty("Object");
IeJsValue freezeMethodValue = objectValue.GetProperty("freeze");
freezeMethodValue.CallFunction(objectValue, objValue);
}
/// <summary>
/// Makes a mapping of value from the script type to a host type
/// </summary>
/// <param name="value">The source value</param>
/// <returns>The mapped value</returns>
private object MapToHostType(IeJsValue value)
{
JsValueType valueType = value.ValueType;
IeJsValue processedValue;
object result;
switch (valueType)
{
case JsValueType.Null:
result = null;
break;
case JsValueType.Undefined:
result = Undefined.Value;
break;
case JsValueType.Boolean:
processedValue = value.ConvertToBoolean();
result = processedValue.ToBoolean();
break;
case JsValueType.Number:
processedValue = value.ConvertToNumber();
result = NumericHelpers.CastDoubleValueToCorrectType(processedValue.ToDouble());
break;
case JsValueType.String:
processedValue = value.ConvertToString();
result = processedValue.ToString();
break;
case JsValueType.Object:
case JsValueType.Function:
case JsValueType.Error:
case JsValueType.Array:
#if NETSTANDARD1_3
result = ToObject(value);
#else
processedValue = value.ConvertToObject();
object obj = processedValue.ToObject();
if (!TypeConverter.IsPrimitiveType(obj.GetType()))
{
var hostObj = obj as HostObject;
result = hostObj != null ? hostObj.Target : obj;
}
else
{
result = obj;
}
#endif
break;
default:
throw new ArgumentOutOfRangeException();
}
return(result);
}
/// <summary>
/// Test if an object has a value at the specified index
/// </summary>
/// <remarks>
/// Requires an active script context.
/// </remarks>
/// <param name="index">The index to test</param>
/// <returns>Whether the object has an value at the specified index</returns>
public bool HasIndexedProperty(IeJsValue index)
{
bool hasProperty;
IeJsErrorHelpers.ThrowIfError(IeNativeMethods.JsHasIndexedProperty(this, index, out hasProperty));
return(hasProperty);
}
/// <summary>
/// Retrieve a value at the specified index of an object
/// </summary>
/// <remarks>
/// Requires an active script context.
/// </remarks>
/// <param name="index">The index to retrieve</param>
/// <returns>The retrieved value</returns>
public IeJsValue GetIndexedProperty(IeJsValue index)
{
IeJsValue propertyReference;
IeJsErrorHelpers.ThrowIfError(IeNativeMethods.JsGetIndexedProperty(this, index, out propertyReference));
return(propertyReference);
}
/// <summary>
/// Compare two JavaScript values for strict equality
/// </summary>
/// <remarks>
/// <para>
/// This function is equivalent to the "===" operator in JavaScript.
/// </para>
/// <para>
/// Requires an active script context.
/// </para>
/// </remarks>
/// <param name="other">The object to compare</param>
/// <returns>Whether the values are strictly equal</returns>
public bool StrictEquals(IeJsValue other)
{
bool equals;
IeJsErrorHelpers.ThrowIfError(IeNativeMethods.JsStrictEquals(this, other, out equals));
return(equals);
}
public override void SetVariableValue(string variableName, object value)
{
InvokeScript(() =>
{
IeJsValue inputValue = MapToScriptType(value);
IeJsValue.GlobalObject.SetProperty(variableName, inputValue, true);
});
}
public override void EmbedHostObject(string itemName, object value)
{
InvokeScript(() =>
{
IeJsValue processedValue = MapToScriptType(value);
IeJsValue.GlobalObject.SetProperty(itemName, processedValue, true);
});
}
/// <summary>
/// Creates a new JavaScript URIError error object
/// </summary>
/// <remarks>
/// Requires an active script context.
/// </remarks>
/// <param name="message">Message for the error object</param>
/// <returns>The new error object</returns>
public static IeJsValue CreateUriError(IeJsValue message)
{
IeJsValue reference;
IeJsErrorHelpers.ThrowIfError(IeNativeMethods.JsCreateURIError(message, out reference));
return(reference);
}
/// <summary>
/// Defines a new object's own property from a property descriptor
/// </summary>
/// <remarks>
/// Requires an active script context.
/// </remarks>
/// <param name="propertyId">The ID of the property</param>
/// <param name="propertyDescriptor">The property descriptor</param>
/// <returns>Whether the property was defined</returns>
public bool DefineProperty(IeJsPropertyId propertyId, IeJsValue propertyDescriptor)
{
bool result;
IeJsErrorHelpers.ThrowIfError(IeNativeMethods.JsDefineProperty(this, propertyId, propertyDescriptor, out result));
return(result);
}
public override object Evaluate(string expression, string documentName)
{
object result = InvokeScript(() =>
{
IeJsValue resultValue = IeJsContext.RunScript(expression, _jsSourceContext++, documentName);
return(MapToHostType(resultValue));
});
return(result);
}
public override object Evaluate(string expression)
{
object result = InvokeScript(() =>
{
IeJsValue resultValue = IeJsContext.RunScript(expression);
return(MapToHostType(resultValue));
});
return(result);
}
public override object GetVariableValue(string variableName)
{
object result = InvokeScript(() =>
{
IeJsValue variableValue = IeJsValue.GlobalObject.GetProperty(variableName);
return(MapToHostType(variableValue));
});
return(result);
}
private IeJsValue CreateObjectFromType(Type type)
{
IeJsValue typeValue = CreateConstructor(type);
ProjectFields(typeValue, type, false);
ProjectProperties(typeValue, type, false);
ProjectMethods(typeValue, type, false);
FreezeObject(typeValue);
return(typeValue);
}
public override void EmbedHostType(string itemName, Type type)
{
InvokeScript(() =>
{
#if NETSTANDARD1_3
IeJsValue typeValue = CreateObjectFromType(type);
#else
IeJsValue typeValue = IeJsValue.FromObject(new HostType(type, _engineMode));
#endif
IeJsValue.GlobalObject.SetProperty(itemName, typeValue, true);
});
}
public override void RemoveVariable(string variableName)
{
InvokeScript(() =>
{
IeJsValue globalObj = IeJsValue.GlobalObject;
IeJsPropertyId variableId = IeJsPropertyId.FromString(variableName);
if (globalObj.HasProperty(variableId))
{
globalObj.SetProperty(variableId, IeJsValue.Undefined, true);
}
});
}
/// <summary>
/// Checks whether the value can have references
/// </summary>
/// <param name="value">The value</param>
/// <returns>Result of check (true - may have; false - may not have)</returns>
private static bool CanHaveReferences(IeJsValue value)
{
JsValueType valueType = value.ValueType;
switch (valueType)
{
case JsValueType.Null:
case JsValueType.Undefined:
case JsValueType.Boolean:
return(false);
default:
return(true);
}
}
/// <summary>
/// Makes a mapping of value from the host type to a script type
/// </summary>
/// <param name="value">The source value</param>
/// <returns>The mapped value</returns>
private IeJsValue MapToScriptType(object value)
{
if (value == null)
{
return(IeJsValue.Null);
}
if (value is Undefined)
{
return(IeJsValue.Undefined);
}
var typeCode = value.GetType().GetTypeCode();
switch (typeCode)
{
case TypeCode.Boolean:
return((bool)value ? IeJsValue.True : IeJsValue.False);
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
return(IeJsValue.FromInt32(Convert.ToInt32(value)));
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
return(IeJsValue.FromDouble(Convert.ToDouble(value)));
case TypeCode.Char:
case TypeCode.String:
return(IeJsValue.FromString((string)value));
default:
#if NETSTANDARD1_3
return(FromObject(value));
#else
object processedValue = !TypeConverter.IsPrimitiveType(typeCode) ?
new HostObject(value, _engineMode) : value;
return(IeJsValue.FromObject(processedValue));
#endif
}
}
private IeJsValue CreateExternalObjectFromObject(object value)
{
GCHandle handle = GCHandle.Alloc(value);
_externalObjects.Add(value);
IeJsValue objValue = IeJsValue.CreateExternalObject(
GCHandle.ToIntPtr(handle), _externalObjectFinalizeCallback);
Type type = value.GetType();
ProjectFields(objValue, type, true);
ProjectProperties(objValue, type, true);
ProjectMethods(objValue, type, true);
FreezeObject(objValue);
return(objValue);
}
public override object CallFunction(string functionName, params object[] args)
{
object result = InvokeScript(() =>
{
IeJsValue globalObj = IeJsValue.GlobalObject;
IeJsPropertyId functionId = IeJsPropertyId.FromString(functionName);
bool functionExist = globalObj.HasProperty(functionId);
if (!functionExist)
{
throw new JsRuntimeException(
string.Format(CommonStrings.Runtime_FunctionNotExist, functionName));
}
IeJsValue resultValue;
IeJsValue functionValue = globalObj.GetProperty(functionId);
if (args.Length > 0)
{
IeJsValue[] processedArgs = MapToScriptType(args);
foreach (IeJsValue processedArg in processedArgs)
{
AddReferenceToValue(processedArg);
}
IeJsValue[] allProcessedArgs = new[] { globalObj }.Concat(processedArgs).ToArray();
resultValue = functionValue.CallFunction(allProcessedArgs);
foreach (IeJsValue processedArg in processedArgs)
{
RemoveReferenceToValue(processedArg);
}
}
else
{
resultValue = functionValue.CallFunction(globalObj);
}
return(MapToHostType(resultValue));
});
return(result);
}
public override bool HasVariable(string variableName)
{
bool result = InvokeScript(() =>
{
IeJsValue globalObj = IeJsValue.GlobalObject;
IeJsPropertyId variableId = IeJsPropertyId.FromString(variableName);
bool variableExist = globalObj.HasProperty(variableId);
if (variableExist)
{
IeJsValue variableValue = globalObj.GetProperty(variableId);
variableExist = variableValue.ValueType != JsValueType.Undefined;
}
return(variableExist);
});
return(result);
}
private IeJsValue CreateFunctionFromDelegate(Delegate value)
{
IeJsNativeFunction nativeFunction = (callee, isConstructCall, args, argCount, callbackData) =>
{
object[] processedArgs = MapToHostType(args.Skip(1).ToArray());
ParameterInfo[] parameters = value.GetMethodInfo().GetParameters();
IeJsValue undefinedValue = IeJsValue.Undefined;
ReflectionHelpers.FixArgumentTypes(ref processedArgs, parameters);
object result;
try
{
result = value.DynamicInvoke(processedArgs);
}
catch (Exception e)
{
IeJsValue errorValue = IeJsErrorHelpers.CreateError(
string.Format(NetCoreStrings.Runtime_HostDelegateInvocationFailed, e.Message));
IeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
IeJsValue resultValue = MapToScriptType(result);
return(resultValue);
};
_nativeFunctions.Add(nativeFunction);
IeJsValue functionValue = IeJsValue.CreateFunction(nativeFunction);
return(functionValue);
}
internal static extern JsErrorCode JsCreateURIError(IeJsValue message, out IeJsValue error);
internal static extern JsErrorCode JsConvertValueToObject(IeJsValue value, out IeJsValue obj);
internal static extern JsErrorCode JsCreateArray(uint length, out IeJsValue result);
internal static extern JsErrorCode JsRunScript(string script, JsSourceContext sourceContext, string sourceUrl, out IeJsValue result);
internal static extern JsErrorCode JsCreateExternalObject(IntPtr data, JsObjectFinalizeCallback finalizeCallback, out IeJsValue obj);
internal static extern JsErrorCode JsSetExternalData(IeJsValue obj, IntPtr externalData);
internal static extern JsErrorCode JsStringToPointer(IeJsValue value, out IntPtr stringValue, out UIntPtr stringLength);
internal static extern JsErrorCode JsStrictEquals(IeJsValue obj1, IeJsValue obj2, out bool result);
internal static extern JsErrorCode JsValueToVariant(IeJsValue obj, [MarshalAs(UnmanagedType.Struct)] out object var);
internal static extern JsErrorCode JsPreventExtension(IeJsValue obj);
internal static extern JsErrorCode JsDeleteProperty(IeJsValue obj, IeJsPropertyId propertyId, bool useStrictRules, out IeJsValue result);
internal static extern JsErrorCode JsDeleteIndexedProperty(IeJsValue obj, IeJsValue index);
internal static extern JsErrorCode JsDefineProperty(IeJsValue obj, IeJsPropertyId propertyId, IeJsValue propertyDescriptor, out bool result);
internal static extern JsErrorCode JsSetIndexedProperty(IeJsValue obj, IeJsValue index, IeJsValue value);
internal static extern JsErrorCode JsSetPrototype(IeJsValue obj, IeJsValue prototypeObject);
internal static extern JsErrorCode JsCreateFunction(IeJsNativeFunction nativeFunction, IntPtr externalData, out IeJsValue function);
/// <summary>
/// Sets a runtime of the current context to an exception state
/// </summary>
/// <remarks>
/// <para>
/// If the runtime of the current context is already in an exception state, this API will
/// throw <c>JsErrorInExceptionState</c>.
/// </para>
/// <para>
/// Requires an active script context.
/// </para>
/// </remarks>
/// <param name="exception">The JavaScript exception to set for the runtime of the current context</param>
public static void SetException(IeJsValue exception)
{
IeJsErrorHelpers.ThrowIfError(IeNativeMethods.JsSetException(exception));
}
internal static extern JsErrorCode JsCallFunction(IeJsValue function, IeJsValue[] arguments, ushort argumentCount, out IeJsValue result);
private void ProjectProperties(IeJsValue target, Type type, bool instance)
{
string typeName = type.FullName;
BindingFlags defaultBindingFlags = ReflectionHelpers.GetDefaultBindingFlags(instance);
PropertyInfo[] properties = type.GetProperties(defaultBindingFlags);
foreach (PropertyInfo property in properties)
{
string propertyName = property.Name;
IeJsValue descriptorValue = IeJsValue.CreateObject();
descriptorValue.SetProperty("enumerable", IeJsValue.True, true);
if (property.GetGetMethod() != null)
{
IeJsNativeFunction nativeFunction = (callee, isConstructCall, args, argCount, callbackData) =>
{
IeJsValue thisValue = args[0];
IeJsValue undefinedValue = IeJsValue.Undefined;
object thisObj = null;
if (instance)
{
if (!thisValue.HasExternalData)
{
IeJsValue errorValue = IeJsErrorHelpers.CreateTypeError(
string.Format(NetCoreStrings.Runtime_InvalidThisContextForHostObjectProperty, propertyName));
IeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
thisObj = MapToHostType(thisValue);
}
object result;
try
{
result = property.GetValue(thisObj, new object[0]);
}
catch (Exception e)
{
string errorMessage = instance ?
string.Format(
NetCoreStrings.Runtime_HostObjectPropertyGettingFailed, propertyName, e.Message)
:
string.Format(
NetCoreStrings.Runtime_HostTypePropertyGettingFailed, propertyName, typeName, e.Message)
;
IeJsValue errorValue = IeJsErrorHelpers.CreateError(errorMessage);
IeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
IeJsValue resultValue = MapToScriptType(result);
return(resultValue);
};
_nativeFunctions.Add(nativeFunction);
IeJsValue getMethodValue = IeJsValue.CreateFunction(nativeFunction);
descriptorValue.SetProperty("get", getMethodValue, true);
}
if (property.GetSetMethod() != null)
{
IeJsNativeFunction nativeFunction = (callee, isConstructCall, args, argCount, callbackData) =>
{
IeJsValue thisValue = args[0];
IeJsValue undefinedValue = IeJsValue.Undefined;
object thisObj = null;
if (instance)
{
if (!thisValue.HasExternalData)
{
IeJsValue errorValue = IeJsErrorHelpers.CreateTypeError(
string.Format(NetCoreStrings.Runtime_InvalidThisContextForHostObjectProperty, propertyName));
IeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
thisObj = MapToHostType(thisValue);
}
object value = MapToHostType(args.Skip(1).First());
ReflectionHelpers.FixPropertyValueType(ref value, property);
try
{
property.SetValue(thisObj, value, new object[0]);
}
catch (Exception e)
{
string errorMessage = instance ?
string.Format(
NetCoreStrings.Runtime_HostObjectPropertySettingFailed, propertyName, e.Message)
:
string.Format(
NetCoreStrings.Runtime_HostTypePropertySettingFailed, propertyName, typeName, e.Message)
;
IeJsValue errorValue = IeJsErrorHelpers.CreateError(errorMessage);
IeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
return(undefinedValue);
};
_nativeFunctions.Add(nativeFunction);
IeJsValue setMethodValue = IeJsValue.CreateFunction(nativeFunction);
descriptorValue.SetProperty("set", setMethodValue, true);
}
target.DefineProperty(propertyName, descriptorValue);
}
}
internal static extern JsErrorCode JsSetException(IeJsValue exception);
private JsRuntimeException ConvertJsExceptionToJsRuntimeException(
JsException jsException)
{
string message = jsException.Message;
string category = string.Empty;
int lineNumber = 0;
int columnNumber = 0;
string sourceFragment = string.Empty;
var jsScriptException = jsException as IeJsScriptException;
if (jsScriptException != null)
{
category = "Script error";
IeJsValue errorValue = jsScriptException.Error;
IeJsPropertyId messagePropertyId = IeJsPropertyId.FromString("message");
IeJsValue messagePropertyValue = errorValue.GetProperty(messagePropertyId);
string scriptMessage = messagePropertyValue.ConvertToString().ToString();
if (!string.IsNullOrWhiteSpace(scriptMessage))
{
message = string.Format("{0}: {1}", message.TrimEnd('.'), scriptMessage);
}
IeJsPropertyId linePropertyId = IeJsPropertyId.FromString("line");
if (errorValue.HasProperty(linePropertyId))
{
IeJsValue linePropertyValue = errorValue.GetProperty(linePropertyId);
lineNumber = (int)linePropertyValue.ConvertToNumber().ToDouble() + 1;
}
IeJsPropertyId columnPropertyId = IeJsPropertyId.FromString("column");
if (errorValue.HasProperty(columnPropertyId))
{
IeJsValue columnPropertyValue = errorValue.GetProperty(columnPropertyId);
columnNumber = (int)columnPropertyValue.ConvertToNumber().ToDouble() + 1;
}
IeJsPropertyId sourcePropertyId = IeJsPropertyId.FromString("source");
if (errorValue.HasProperty(sourcePropertyId))
{
IeJsValue sourcePropertyValue = errorValue.GetProperty(sourcePropertyId);
sourceFragment = sourcePropertyValue.ConvertToString().ToString();
}
}
else if (jsException is JsUsageException)
{
category = "Usage error";
}
else if (jsException is JsEngineException)
{
category = "Engine error";
}
else if (jsException is JsFatalException)
{
category = "Fatal error";
}
var jsEngineException = new JsRuntimeException(message, _engineModeName)
{
ErrorCode = ((uint)jsException.ErrorCode).ToString(CultureInfo.InvariantCulture),
Category = category,
LineNumber = lineNumber,
ColumnNumber = columnNumber,
SourceFragment = sourceFragment
};
return(jsEngineException);
}
internal static extern JsErrorCode JsRunSerializedScript(string script, byte[] buffer, JsSourceContext sourceContext, string sourceUrl, out IeJsValue result);
internal static extern JsErrorCode JsConvertValueToNumber(IeJsValue value, out IeJsValue numberValue);
internal static extern JsErrorCode JsConvertValueToString(IeJsValue value, out IeJsValue stringValue);
internal static extern JsErrorCode JsSetProperty(IeJsValue obj, IeJsPropertyId propertyId, IeJsValue value, bool useStrictRules);
internal static extern JsErrorCode JsRelease(IeJsValue reference, out uint count);
internal static extern JsErrorCode JsCreateObject(out IeJsValue obj);
private IeJsValue CreateConstructor(Type type)
{
TypeInfo typeInfo = type.GetTypeInfo();
string typeName = type.FullName;
BindingFlags defaultBindingFlags = ReflectionHelpers.GetDefaultBindingFlags(true);
ConstructorInfo[] constructors = type.GetConstructors(defaultBindingFlags);
IeJsNativeFunction nativeFunction = (callee, isConstructCall, args, argCount, callbackData) =>
{
IeJsValue resultValue;
IeJsValue undefinedValue = IeJsValue.Undefined;
object[] processedArgs = MapToHostType(args.Skip(1).ToArray());
object result;
if (processedArgs.Length == 0 && typeInfo.IsValueType)
{
result = Activator.CreateInstance(type);
resultValue = MapToScriptType(result);
return(resultValue);
}
if (constructors.Length == 0)
{
IeJsValue errorValue = IeJsErrorHelpers.CreateError(
string.Format(NetCoreStrings.Runtime_HostTypeConstructorNotFound, typeName));
IeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
var bestFitConstructor = (ConstructorInfo)ReflectionHelpers.GetBestFitMethod(
constructors, processedArgs);
if (bestFitConstructor == null)
{
IeJsValue errorValue = IeJsErrorHelpers.CreateReferenceError(
string.Format(NetCoreStrings.Runtime_SuitableConstructorOfHostTypeNotFound, typeName));
IeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
ReflectionHelpers.FixArgumentTypes(ref processedArgs, bestFitConstructor.GetParameters());
try
{
result = bestFitConstructor.Invoke(processedArgs);
}
catch (Exception e)
{
IeJsValue errorValue = IeJsErrorHelpers.CreateError(
string.Format(NetCoreStrings.Runtime_HostTypeConstructorInvocationFailed, typeName, e.Message));
IeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
resultValue = MapToScriptType(result);
return(resultValue);
};
_nativeFunctions.Add(nativeFunction);
IeJsValue constructorValue = IeJsValue.CreateFunction(nativeFunction);
return(constructorValue);
}
internal static extern JsErrorCode JsCreateReferenceError(IeJsValue message, out IeJsValue error);
private void ProjectMethods(IeJsValue target, Type type, bool instance)
{
string typeName = type.FullName;
BindingFlags defaultBindingFlags = ReflectionHelpers.GetDefaultBindingFlags(instance);
MethodInfo[] methods = type.GetMethods(defaultBindingFlags);
IEnumerable <IGrouping <string, MethodInfo> > methodGroups = methods.GroupBy(m => m.Name);
foreach (IGrouping <string, MethodInfo> methodGroup in methodGroups)
{
string methodName = methodGroup.Key;
MethodInfo[] methodCandidates = methodGroup.ToArray();
IeJsNativeFunction nativeFunction = (callee, isConstructCall, args, argCount, callbackData) =>
{
IeJsValue thisValue = args[0];
IeJsValue undefinedValue = IeJsValue.Undefined;
object thisObj = null;
if (instance)
{
if (!thisValue.HasExternalData)
{
IeJsValue errorValue = IeJsErrorHelpers.CreateTypeError(
string.Format(NetCoreStrings.Runtime_InvalidThisContextForHostObjectMethod, methodName));
IeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
thisObj = MapToHostType(thisValue);
}
object[] processedArgs = MapToHostType(args.Skip(1).ToArray());
var bestFitMethod = (MethodInfo)ReflectionHelpers.GetBestFitMethod(
methodCandidates, processedArgs);
if (bestFitMethod == null)
{
IeJsValue errorValue = IeJsErrorHelpers.CreateReferenceError(
string.Format(NetCoreStrings.Runtime_SuitableMethodOfHostObjectNotFound, methodName));
IeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
ReflectionHelpers.FixArgumentTypes(ref processedArgs, bestFitMethod.GetParameters());
object result;
try
{
result = bestFitMethod.Invoke(thisObj, processedArgs);
}
catch (Exception e)
{
string errorMessage = instance ?
string.Format(
NetCoreStrings.Runtime_HostObjectMethodInvocationFailed, methodName, e.Message)
:
string.Format(
NetCoreStrings.Runtime_HostTypeMethodInvocationFailed, methodName, typeName, e.Message)
;
IeJsValue errorValue = IeJsErrorHelpers.CreateError(errorMessage);
IeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
IeJsValue resultValue = MapToScriptType(result);
return(resultValue);
};
_nativeFunctions.Add(nativeFunction);
IeJsValue methodValue = IeJsValue.CreateFunction(nativeFunction);
target.SetProperty(methodName, methodValue, true);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="IeJsScriptException"/> class
/// </summary>
/// <param name="code">The error code returned</param>
/// <param name="error">The JavaScript error object</param>
public IeJsScriptException(JsErrorCode code, IeJsValue error)
: this(code, error, "JavaScript Exception")
{ }
internal static extern JsErrorCode JsConstructObject(IeJsValue function, IeJsValue[] arguments, ushort argumentCount, out IeJsValue result);
internal static extern JsErrorCode JsConvertValueToBoolean(IeJsValue value, out IeJsValue booleanValue);
/// <summary>
/// Initializes a new instance of the <see cref="IeJsScriptException"/> class
/// </summary>
/// <param name="code">The error code returned</param>
/// <param name="error">The JavaScript error object</param>
/// <param name="message">The error message</param>
public IeJsScriptException(JsErrorCode code, IeJsValue error, string message)
: base(code, message)
{
_error = error;
}
internal static extern JsErrorCode JsVariantToValue([MarshalAs(UnmanagedType.Struct)] ref object var, out IeJsValue value);
