/
Native.cs
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Native.cs
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namespace ChakraHost.Hosting
{
using System;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.InteropServices;
/// <summary>
/// Native interfaces.
/// </summary>
public static class Native
{
/// <summary>
/// Throws if a native method returns an error code.
/// </summary>
/// <param name="error">The error.</param>
internal static void ThrowIfError(JavaScriptErrorCode error)
{
if (error != JavaScriptErrorCode.NoError)
{
switch (error)
{
case JavaScriptErrorCode.InvalidArgument:
throw new JavaScriptUsageException(error, "Invalid argument.");
case JavaScriptErrorCode.NullArgument:
throw new JavaScriptUsageException(error, "Null argument.");
case JavaScriptErrorCode.NoCurrentContext:
throw new JavaScriptUsageException(error, "No current context.");
case JavaScriptErrorCode.InExceptionState:
throw new JavaScriptUsageException(error, "Runtime is in exception state.");
case JavaScriptErrorCode.NotImplemented:
throw new JavaScriptUsageException(error, "Method is not implemented.");
case JavaScriptErrorCode.WrongThread:
throw new JavaScriptUsageException(error, "Runtime is active on another thread.");
case JavaScriptErrorCode.RuntimeInUse:
throw new JavaScriptUsageException(error, "Runtime is in use.");
case JavaScriptErrorCode.BadSerializedScript:
throw new JavaScriptUsageException(error, "Bad serialized script.");
case JavaScriptErrorCode.InDisabledState:
throw new JavaScriptUsageException(error, "Runtime is disabled.");
case JavaScriptErrorCode.CannotDisableExecution:
throw new JavaScriptUsageException(error, "Cannot disable execution.");
case JavaScriptErrorCode.AlreadyDebuggingContext:
throw new JavaScriptUsageException(error, "Context is already in debug mode.");
case JavaScriptErrorCode.HeapEnumInProgress:
throw new JavaScriptUsageException(error, "Heap enumeration is in progress.");
case JavaScriptErrorCode.ArgumentNotObject:
throw new JavaScriptUsageException(error, "Argument is not an object.");
case JavaScriptErrorCode.InProfileCallback:
throw new JavaScriptUsageException(error, "In a profile callback.");
case JavaScriptErrorCode.InThreadServiceCallback:
throw new JavaScriptUsageException(error, "In a thread service callback.");
case JavaScriptErrorCode.CannotSerializeDebugScript:
throw new JavaScriptUsageException(error, "Cannot serialize a debug script.");
case JavaScriptErrorCode.AlreadyProfilingContext:
throw new JavaScriptUsageException(error, "Already profiling this context.");
case JavaScriptErrorCode.IdleNotEnabled:
throw new JavaScriptUsageException(error, "Idle is not enabled.");
case JavaScriptErrorCode.OutOfMemory:
throw new JavaScriptEngineException(error, "Out of memory.");
case JavaScriptErrorCode.ScriptException:
{
JavaScriptValue errorObject;
JavaScriptErrorCode innerError = JsGetAndClearException(out errorObject);
if (innerError != JavaScriptErrorCode.NoError)
{
throw new JavaScriptFatalException(innerError);
}
throw new JavaScriptScriptException(error, errorObject, "Script threw an exception.");
}
case JavaScriptErrorCode.ScriptCompile:
{
JavaScriptValue errorObject;
JavaScriptErrorCode innerError = JsGetAndClearException(out errorObject);
if (innerError != JavaScriptErrorCode.NoError)
{
throw new JavaScriptFatalException(innerError);
}
throw new JavaScriptScriptException(error, errorObject, "Compile error.");
}
case JavaScriptErrorCode.ScriptTerminated:
throw new JavaScriptScriptException(error, JavaScriptValue.Invalid, "Script was terminated.");
case JavaScriptErrorCode.ScriptEvalDisabled:
throw new JavaScriptScriptException(error, JavaScriptValue.Invalid, "Eval of strings is disabled in this runtime.");
case JavaScriptErrorCode.Fatal:
throw new JavaScriptFatalException(error);
default:
throw new JavaScriptFatalException(error);
}
}
}
const string DllName = "Chakra.dll";
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateRuntime(JavaScriptRuntimeAttributes attributes, JavaScriptThreadServiceCallback threadService, out JavaScriptRuntime runtime);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCollectGarbage(JavaScriptRuntime handle);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsDisposeRuntime(JavaScriptRuntime handle);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetRuntimeMemoryUsage(JavaScriptRuntime runtime, out UIntPtr memoryUsage);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetRuntimeMemoryLimit(JavaScriptRuntime runtime, out UIntPtr memoryLimit);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetRuntimeMemoryLimit(JavaScriptRuntime runtime, UIntPtr memoryLimit);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetRuntimeMemoryAllocationCallback(JavaScriptRuntime runtime, IntPtr callbackState, JavaScriptMemoryAllocationCallback allocationCallback);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetRuntimeBeforeCollectCallback(JavaScriptRuntime runtime, IntPtr callbackState, JavaScriptBeforeCollectCallback beforeCollectCallback);
[DllImport(DllName, EntryPoint = "JsAddRef")]
internal static extern JavaScriptErrorCode JsContextAddRef(JavaScriptContext reference, out uint count);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsAddRef(JavaScriptValue reference, out uint count);
[DllImport(DllName, EntryPoint = "JsRelease")]
internal static extern JavaScriptErrorCode JsContextRelease(JavaScriptContext reference, out uint count);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsRelease(JavaScriptValue reference, out uint count);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateContext(JavaScriptRuntime runtime, out JavaScriptContext newContext);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetCurrentContext(out JavaScriptContext currentContext);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetCurrentContext(JavaScriptContext context);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetRuntime(JavaScriptContext context, out JavaScriptRuntime runtime);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsStartDebugging();
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsIdle(out uint nextIdleTick);
[DllImport(DllName, CharSet = CharSet.Unicode)]
internal static extern JavaScriptErrorCode JsParseScript(string script, JavaScriptSourceContext sourceContext, string sourceUrl, out JavaScriptValue result);
[DllImport(DllName, CharSet = CharSet.Unicode)]
internal static extern JavaScriptErrorCode JsRunScript(string script, JavaScriptSourceContext sourceContext, string sourceUrl, out JavaScriptValue result);
[DllImport(DllName, CharSet = CharSet.Unicode)]
internal static extern JavaScriptErrorCode JsSerializeScript(string script, byte[] buffer, ref ulong bufferSize);
[DllImport(DllName, CharSet = CharSet.Unicode)]
internal static extern JavaScriptErrorCode JsParseSerializedScript(string script, byte[] buffer, JavaScriptSourceContext sourceContext, string sourceUrl, out JavaScriptValue result);
[DllImport(DllName, CharSet = CharSet.Unicode)]
internal static extern JavaScriptErrorCode JsRunSerializedScript(string script, byte[] buffer, JavaScriptSourceContext sourceContext, string sourceUrl, out JavaScriptValue result);
[DllImport(DllName, CharSet = CharSet.Unicode)]
internal static extern JavaScriptErrorCode JsGetPropertyIdFromName(string name, out JavaScriptPropertyId propertyId);
[DllImport(DllName, CharSet = CharSet.Unicode)]
internal static extern JavaScriptErrorCode JsGetPropertyNameFromId(JavaScriptPropertyId propertyId, out string name);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetUndefinedValue(out JavaScriptValue undefinedValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetNullValue(out JavaScriptValue nullValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetTrueValue(out JavaScriptValue trueValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetFalseValue(out JavaScriptValue falseValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsBoolToBoolean(bool value, out JavaScriptValue booleanValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsBooleanToBool(JavaScriptValue booleanValue, out bool boolValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsConvertValueToBoolean(JavaScriptValue value, out JavaScriptValue booleanValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetValueType(JavaScriptValue value, out JavaScriptValueType type);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsDoubleToNumber(double doubleValue, out JavaScriptValue value);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsIntToNumber(int intValue, out JavaScriptValue value);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsNumberToDouble(JavaScriptValue value, out double doubleValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsConvertValueToNumber(JavaScriptValue value, out JavaScriptValue numberValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetStringLength(JavaScriptValue sringValue, out int length);
[DllImport(DllName, CharSet = CharSet.Unicode)]
internal static extern JavaScriptErrorCode JsPointerToString(string value, UIntPtr stringLength, out JavaScriptValue stringValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsStringToPointer(JavaScriptValue value, out IntPtr stringValue, out UIntPtr stringLength);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsConvertValueToString(JavaScriptValue value, out JavaScriptValue stringValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsVariantToValue([MarshalAs(UnmanagedType.Struct)] ref object var, out JavaScriptValue value);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsValueToVariant(JavaScriptValue obj, [MarshalAs(UnmanagedType.Struct)] out object var);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetGlobalObject(out JavaScriptValue globalObject);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateObject(out JavaScriptValue obj);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateExternalObject(IntPtr data, JavaScriptObjectFinalizeCallback finalizeCallback, out JavaScriptValue obj);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsConvertValueToObject(JavaScriptValue value, out JavaScriptValue obj);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetPrototype(JavaScriptValue obj, out JavaScriptValue prototypeObject);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetPrototype(JavaScriptValue obj, JavaScriptValue prototypeObject);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetExtensionAllowed(JavaScriptValue obj, out bool value);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsPreventExtension(JavaScriptValue obj);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetProperty(JavaScriptValue obj, JavaScriptPropertyId propertyId, out JavaScriptValue value);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetOwnPropertyDescriptor(JavaScriptValue obj, JavaScriptPropertyId propertyId, out JavaScriptValue propertyDescriptor);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetOwnPropertyNames(JavaScriptValue obj, out JavaScriptValue propertyNames);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetProperty(JavaScriptValue obj, JavaScriptPropertyId propertyId, JavaScriptValue value, bool useStrictRules);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsHasProperty(JavaScriptValue obj, JavaScriptPropertyId propertyId, out bool hasProperty);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsDeleteProperty(JavaScriptValue obj, JavaScriptPropertyId propertyId, bool useStrictRules, out JavaScriptValue result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsDefineProperty(JavaScriptValue obj, JavaScriptPropertyId propertyId, JavaScriptValue propertyDescriptor, out bool result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsHasIndexedProperty(JavaScriptValue obj, JavaScriptValue index, out bool result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetIndexedProperty(JavaScriptValue obj, JavaScriptValue index, out JavaScriptValue result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetIndexedProperty(JavaScriptValue obj, JavaScriptValue index, JavaScriptValue value);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsDeleteIndexedProperty(JavaScriptValue obj, JavaScriptValue index);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsEquals(JavaScriptValue obj1, JavaScriptValue obj2, out bool result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsStrictEquals(JavaScriptValue obj1, JavaScriptValue obj2, out bool result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsHasExternalData(JavaScriptValue obj, out bool value);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetExternalData(JavaScriptValue obj, out IntPtr externalData);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetExternalData(JavaScriptValue obj, IntPtr externalData);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateArray(uint length, out JavaScriptValue result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCallFunction(JavaScriptValue function, JavaScriptValue[] arguments, ushort argumentCount, out JavaScriptValue result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsConstructObject(JavaScriptValue function, JavaScriptValue[] arguments, ushort argumentCount, out JavaScriptValue result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateFunction(JavaScriptNativeFunction nativeFunction, IntPtr externalData, out JavaScriptValue function);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateError(JavaScriptValue message, out JavaScriptValue error);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateRangeError(JavaScriptValue message, out JavaScriptValue error);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateReferenceError(JavaScriptValue message, out JavaScriptValue error);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateSyntaxError(JavaScriptValue message, out JavaScriptValue error);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateTypeError(JavaScriptValue message, out JavaScriptValue error);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateURIError(JavaScriptValue message, out JavaScriptValue error);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsHasException(out bool hasException);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetAndClearException(out JavaScriptValue exception);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetException(JavaScriptValue exception);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsDisableRuntimeExecution(JavaScriptRuntime runtime);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsEnableRuntimeExecution(JavaScriptRuntime runtime);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsIsRuntimeExecutionDisabled(JavaScriptRuntime runtime, out bool isDisabled);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetObjectBeforeCollectCallback(JavaScriptValue reference, IntPtr callbackState, JavaScriptObjectBeforeCollectCallback beforeCollectCallback);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateNamedFunction(JavaScriptValue name, JavaScriptNativeFunction nativeFunction, IntPtr callbackState, out JavaScriptValue function);
[DllImport(DllName, CharSet = CharSet.Unicode)]
internal static extern JavaScriptErrorCode JsProjectWinRTNamespace(string namespaceName);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsInspectableToObject([MarshalAs(UnmanagedType.IInspectable)] System.Object inspectable, out JavaScriptValue value);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetProjectionEnqueueCallback(JavaScriptProjectionEnqueueCallback projectionEnqueueCallback, IntPtr context);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetPromiseContinuationCallback(JavaScriptPromiseContinuationCallback promiseContinuationCallback, IntPtr callbackState);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateArrayBuffer(uint byteLength, out JavaScriptValue result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateTypedArray(JavaScriptTypedArrayType arrayType, JavaScriptValue arrayBuffer, uint byteOffset,
uint elementLength, out JavaScriptValue result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateDataView(JavaScriptValue arrayBuffer, uint byteOffset, uint byteOffsetLength, out JavaScriptValue result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetArrayBufferStorage(JavaScriptValue arrayBuffer, out IntPtr buffer, out uint bufferLength);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetTypedArrayStorage(JavaScriptValue typedArray, out IntPtr buffer, out uint bufferLength, out JavaScriptTypedArrayType arrayType, out int elementSize);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetDataViewStorage(JavaScriptValue dataView, out IntPtr buffer, out uint bufferLength);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetPropertyIdType(JavaScriptPropertyId propertyId, out JavaScriptPropertyIdType propertyIdType);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateSymbol(JavaScriptValue description, out JavaScriptValue symbol);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetSymbolFromPropertyId(JavaScriptPropertyId propertyId, out JavaScriptValue symbol);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetPropertyIdFromSymbol(JavaScriptValue symbol, out JavaScriptPropertyId propertyId);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetOwnPropertySymbols(JavaScriptValue obj, out JavaScriptValue propertySymbols);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsNumberToInt(JavaScriptValue value, out int intValue);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetIndexedPropertiesToExternalData(JavaScriptValue obj, IntPtr data, JavaScriptTypedArrayType arrayType, uint elementLength);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetIndexedPropertiesExternalData(JavaScriptValue obj, IntPtr data, out JavaScriptTypedArrayType arrayType, out uint elementLength);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsHasIndexedPropertiesExternalData(JavaScriptValue obj, out bool value);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsInstanceOf(JavaScriptValue obj, JavaScriptValue constructor, out bool result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsCreateExternalArrayBuffer(IntPtr data, uint byteLength, JavaScriptObjectFinalizeCallback finalizeCallback, IntPtr callbackState, out JavaScriptValue result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetTypedArrayInfo(JavaScriptValue typedArray, out JavaScriptTypedArrayType arrayType, out JavaScriptValue arrayBuffer, out uint byteOffset, out uint byteLength);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetContextOfObject(JavaScriptValue obj, out JavaScriptContext context);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsGetContextData(JavaScriptContext context, out IntPtr data);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsSetContextData(JavaScriptContext context, IntPtr data);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsParseSerializedScriptWithCallback(JavaScriptSerializedScriptLoadSourceCallback scriptLoadCallback,
JavaScriptSerializedScriptUnloadCallback scriptUnloadCallback, byte[] buffer, JavaScriptSourceContext sourceContext, string sourceUrl, out JavaScriptValue result);
[DllImport(DllName)]
internal static extern JavaScriptErrorCode JsRunSerializedScriptWithCallback(JavaScriptSerializedScriptLoadSourceCallback scriptLoadCallback,
JavaScriptSerializedScriptUnloadCallback scriptUnloadCallback, byte[] buffer, JavaScriptSourceContext sourceContext, string sourceUrl, out JavaScriptValue result);
}
}