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JsrtCore.cpp
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JsrtCore.cpp
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//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------
#include "JsrtPch.h"
#include "JsrtInternal.h"
#include "JsrtExternalObject.h"
#include "JsrtExternalArrayBuffer.h"
#include "jsrtHelper.h"
#include "SCACorePch.h"
#include "JsrtContextCore.h"
#include "ChakraCore.h"
#include "Common/ByteSwap.h"
#include "Library/DataView.h"
#include "Library/JavascriptExceptionMetadata.h"
#include "Base/ThreadContextTlsEntry.h"
#include "Library/JavascriptPromise.h"
#include "Codex/Utf8Helper.h"
CHAKRA_API
JsInitializeModuleRecord(
_In_opt_ JsModuleRecord referencingModule,
_In_ JsValueRef normalizedSpecifier,
_Outptr_result_maybenull_ JsModuleRecord* moduleRecord)
{
PARAM_NOT_NULL(moduleRecord);
Js::SourceTextModuleRecord* childModuleRecord = nullptr;
JsErrorCode errorCode = ContextAPIWrapper_NoRecord<true>([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
childModuleRecord = Js::SourceTextModuleRecord::Create(scriptContext);
if (referencingModule == nullptr)
{
childModuleRecord->SetIsRootModule();
}
if (normalizedSpecifier != JS_INVALID_REFERENCE)
{
childModuleRecord->SetSpecifier(normalizedSpecifier);
}
return JsNoError;
});
if (errorCode == JsNoError)
{
*moduleRecord = childModuleRecord;
}
else
{
*moduleRecord = JS_INVALID_REFERENCE;
}
return errorCode;
}
CHAKRA_API
JsParseModuleSource(
_In_ JsModuleRecord requestModule,
_In_ JsSourceContext sourceContext,
_In_ byte* sourceText,
_In_ unsigned int sourceLength,
_In_ JsParseModuleSourceFlags sourceFlag,
_Outptr_result_maybenull_ JsValueRef* exceptionValueRef)
{
PARAM_NOT_NULL(requestModule);
PARAM_NOT_NULL(exceptionValueRef);
if (sourceFlag > JsParseModuleSourceFlags_DataIsUTF8)
{
return JsErrorInvalidArgument;
}
*exceptionValueRef = JS_INVALID_REFERENCE;
HRESULT hr;
if (!Js::SourceTextModuleRecord::Is(requestModule))
{
return JsErrorInvalidArgument;
}
Js::SourceTextModuleRecord* moduleRecord = Js::SourceTextModuleRecord::FromHost(requestModule);
if (moduleRecord->WasParsed())
{
return JsErrorModuleParsed;
}
Js::ScriptContext* scriptContext = moduleRecord->GetScriptContext();
JsErrorCode errorCode = GlobalAPIWrapper_NoRecord([&]() -> JsErrorCode {
SourceContextInfo* sourceContextInfo = scriptContext->GetSourceContextInfo(sourceContext, nullptr);
if (sourceContextInfo == nullptr)
{
const char16 *moduleUrlSz = nullptr;
size_t moduleUrlLen = 0;
if (moduleRecord->GetModuleUrl())
{
Js::JavascriptString *moduleUrl = Js::VarTo<Js::JavascriptString>(moduleRecord->GetModuleUrl());
moduleUrlSz = moduleUrl->GetSz();
moduleUrlLen = moduleUrl->GetLength();
}
sourceContextInfo = scriptContext->CreateSourceContextInfo(sourceContext, moduleUrlSz, moduleUrlLen, nullptr, nullptr, 0);
}
SRCINFO si = {
/* sourceContextInfo */ sourceContextInfo,
/* dlnHost */ 0,
/* ulColumnHost */ 0,
/* lnMinHost */ 0,
/* ichMinHost */ 0,
/* ichLimHost */ static_cast<ULONG>(sourceLength),
/* ulCharOffset */ 0,
/* mod */ 0,
/* grfsi */ 0
};
hr = moduleRecord->ParseSource(sourceText, sourceLength, &si, exceptionValueRef, sourceFlag == JsParseModuleSourceFlags_DataIsUTF8 ? true : false);
if (FAILED(hr))
{
return JsErrorScriptCompile;
}
return JsNoError;
});
return errorCode;
}
CHAKRA_API
JsModuleEvaluation(
_In_ JsModuleRecord requestModule,
_Outptr_result_maybenull_ JsValueRef* result)
{
if (!Js::SourceTextModuleRecord::Is(requestModule))
{
return JsErrorInvalidArgument;
}
Js::SourceTextModuleRecord* moduleRecord = Js::SourceTextModuleRecord::FromHost(requestModule);
if (result != nullptr)
{
*result = JS_INVALID_REFERENCE;
}
Js::ScriptContext* scriptContext = moduleRecord->GetScriptContext();
JsrtContext* jsrtContext = (JsrtContext*)scriptContext->GetLibrary()->GetJsrtContext();
JsErrorCode errorCode = SetContextAPIWrapper(jsrtContext, [&](Js::ScriptContext *scriptContext) -> JsErrorCode {
SmartFPUControl smartFpuControl;
if (smartFpuControl.HasErr())
{
return JsErrorBadFPUState;
}
JsValueRef returnRef = moduleRecord->ModuleEvaluation();
if (result != nullptr)
{
*result = returnRef;
}
return JsNoError;
});
return errorCode;
}
CHAKRA_API
JsSetModuleHostInfo(
_In_opt_ JsModuleRecord requestModule,
_In_ JsModuleHostInfoKind moduleHostInfo,
_In_ void* hostInfo)
{
Js::ScriptContext* scriptContext;
Js::SourceTextModuleRecord* moduleRecord;
if (!Js::SourceTextModuleRecord::Is(requestModule))
{
if (moduleHostInfo != JsModuleHostInfo_FetchImportedModuleCallback &&
moduleHostInfo != JsModuleHostInfo_FetchImportedModuleFromScriptCallback &&
moduleHostInfo != JsModuleHostInfo_NotifyModuleReadyCallback)
{
return JsErrorInvalidArgument;
}
scriptContext = JsrtContext::GetCurrent()->GetScriptContext();
}
else
{
moduleRecord = Js::SourceTextModuleRecord::FromHost(requestModule);
scriptContext = moduleRecord->GetScriptContext();
}
JsrtContext* jsrtContext = (JsrtContext*)scriptContext->GetLibrary()->GetJsrtContext();
JsErrorCode errorCode = SetContextAPIWrapper(jsrtContext, [&](Js::ScriptContext *scriptContext) -> JsErrorCode {
JsrtContextCore* currentContext = static_cast<JsrtContextCore*>(JsrtContextCore::GetCurrent());
switch (moduleHostInfo)
{
case JsModuleHostInfo_Exception:
{
HRESULT hr = moduleRecord->OnHostException(hostInfo);
return (hr == NOERROR) ? JsNoError : JsErrorInvalidArgument;
}
case JsModuleHostInfo_HostDefined:
moduleRecord->SetHostDefined(hostInfo);
break;
case JsModuleHostInfo_FetchImportedModuleCallback:
currentContext->GetHostScriptContext()->SetFetchImportedModuleCallback(reinterpret_cast<FetchImportedModuleCallBack>(hostInfo));
break;
case JsModuleHostInfo_FetchImportedModuleFromScriptCallback:
currentContext->GetHostScriptContext()->SetFetchImportedModuleFromScriptCallback(reinterpret_cast<FetchImportedModuleFromScriptCallBack>(hostInfo));
break;
case JsModuleHostInfo_NotifyModuleReadyCallback:
currentContext->GetHostScriptContext()->SetNotifyModuleReadyCallback(reinterpret_cast<NotifyModuleReadyCallback>(hostInfo));
break;
case JsModuleHostInfo_Url:
moduleRecord->SetModuleUrl(hostInfo);
break;
default:
return JsInvalidModuleHostInfoKind;
};
return JsNoError;
});
return errorCode;
}
CHAKRA_API
JsGetModuleHostInfo(
_In_ JsModuleRecord requestModule,
_In_ JsModuleHostInfoKind moduleHostInfo,
_Outptr_result_maybenull_ void** hostInfo)
{
if (!Js::SourceTextModuleRecord::Is(requestModule) || (hostInfo == nullptr))
{
return JsErrorInvalidArgument;
}
*hostInfo = nullptr;
Js::SourceTextModuleRecord* moduleRecord = Js::SourceTextModuleRecord::FromHost(requestModule);
Js::ScriptContext* scriptContext = moduleRecord->GetScriptContext();
JsrtContext* jsrtContext = (JsrtContext*)scriptContext->GetLibrary()->GetJsrtContext();
JsErrorCode errorCode = SetContextAPIWrapper(jsrtContext, [&](Js::ScriptContext *scriptContext) -> JsErrorCode {
JsrtContextCore* currentContext = static_cast<JsrtContextCore*>(JsrtContextCore::GetCurrent());
switch (moduleHostInfo)
{
case JsModuleHostInfo_Exception:
if (moduleRecord->GetErrorObject() != nullptr)
{
*hostInfo = moduleRecord->GetErrorObject();
}
break;
case JsModuleHostInfo_HostDefined:
*hostInfo = moduleRecord->GetHostDefined();
break;
case JsModuleHostInfo_FetchImportedModuleCallback:
*hostInfo = reinterpret_cast<void*>(currentContext->GetHostScriptContext()->GetFetchImportedModuleCallback());
break;
case JsModuleHostInfo_FetchImportedModuleFromScriptCallback:
*hostInfo = reinterpret_cast<void*>(currentContext->GetHostScriptContext()->GetFetchImportedModuleFromScriptCallback());
break;
case JsModuleHostInfo_NotifyModuleReadyCallback:
*hostInfo = reinterpret_cast<void*>(currentContext->GetHostScriptContext()->GetNotifyModuleReadyCallback());
break;
case JsModuleHostInfo_Url:
*hostInfo = reinterpret_cast<void*>(moduleRecord->GetModuleUrl());
break;
default:
return JsInvalidModuleHostInfoKind;
};
return JsNoError;
});
return errorCode;
}
CHAKRA_API JsGetModuleNamespace(_In_ JsModuleRecord requestModule, _Outptr_result_maybenull_ JsValueRef *moduleNamespace)
{
PARAM_NOT_NULL(moduleNamespace);
*moduleNamespace = nullptr;
if (!Js::SourceTextModuleRecord::Is(requestModule))
{
return JsErrorInvalidArgument;
}
Js::SourceTextModuleRecord* moduleRecord = Js::SourceTextModuleRecord::FromHost(requestModule);
if (!moduleRecord->WasEvaluated())
{
return JsErrorModuleNotEvaluated;
}
*moduleNamespace = static_cast<JsValueRef>(moduleRecord->GetNamespace());
return JsNoError;
}
CHAKRA_API
JsVarSerializer(
_In_ ReallocateBufferMemoryFunc reallocateBufferMemory,
_In_ WriteHostObjectFunc writeHostObject,
_In_opt_ void * callbackState,
_Out_ JsVarSerializerHandle *serializerHandle)
{
PARAM_NOT_NULL(reallocateBufferMemory);
PARAM_NOT_NULL(writeHostObject);
PARAM_NOT_NULL(serializerHandle);
JsErrorCode errorCode = ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraCoreStreamWriter *writer = HeapNew(ChakraCoreStreamWriter, reallocateBufferMemory, writeHostObject, callbackState);
writer->SetSerializer(HeapNew(Js::SCACore::Serializer, scriptContext, writer));
*serializerHandle = writer;
return JsNoError;
});
return errorCode;
}
CHAKRA_API
JsVarSerializerWriteRawBytes(
_In_ JsVarSerializerHandle serializerHandle,
_In_ const void* source,
_In_ size_t length)
{
PARAM_NOT_NULL(serializerHandle);
PARAM_NOT_NULL(source);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraCoreStreamWriter* streamWriter = reinterpret_cast<ChakraCoreStreamWriter*>(serializerHandle);
streamWriter->WriteRawBytes(source, length);
return JsNoError;
});
}
CHAKRA_API
JsVarSerializerWriteValue(
_In_ JsVarSerializerHandle serializerHandle,
_In_ JsValueRef rootObject)
{
PARAM_NOT_NULL(serializerHandle);
PARAM_NOT_NULL(rootObject);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraCoreStreamWriter* streamWriter = reinterpret_cast<ChakraCoreStreamWriter*>(serializerHandle);
streamWriter->WriteValue(rootObject);
return JsNoError;
});
}
CHAKRA_API
JsVarSerializerReleaseData(
_In_ JsVarSerializerHandle serializerHandle,
_Out_ byte** data,
_Out_ size_t *dataLength)
{
PARAM_NOT_NULL(serializerHandle);
PARAM_NOT_NULL(data);
PARAM_NOT_NULL(dataLength);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraCoreStreamWriter* streamWriter = reinterpret_cast<ChakraCoreStreamWriter*>(serializerHandle);
if (!streamWriter->ReleaseData(data, dataLength))
{
return JsErrorInvalidArgument;
}
return JsNoError;
});
}
CHAKRA_API
JsVarSerializerDetachArrayBuffer(_In_ JsVarSerializerHandle serializerHandle)
{
PARAM_NOT_NULL(serializerHandle);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraCoreStreamWriter* streamWriter = reinterpret_cast<ChakraCoreStreamWriter*>(serializerHandle);
if (!streamWriter->DetachArrayBuffer())
{
return JsErrorInvalidArgument;
}
return JsNoError;
});
}
CHAKRA_API
JsVarSerializerSetTransferableVars(
_In_ JsVarSerializerHandle serializerHandle,
_In_opt_ JsValueRef *transferableVars,
_In_ size_t transferableVarsCount)
{
PARAM_NOT_NULL(serializerHandle);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraCoreStreamWriter* streamWriter = reinterpret_cast<ChakraCoreStreamWriter*>(serializerHandle);
return streamWriter->SetTransferableVars(transferableVars, transferableVarsCount);
});
}
CHAKRA_API
JsVarSerializerFree(_In_ JsVarSerializerHandle serializerHandle)
{
PARAM_NOT_NULL(serializerHandle);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraCoreStreamWriter* streamWriter = reinterpret_cast<ChakraCoreStreamWriter*>(serializerHandle);
streamWriter->FreeSelf();
return JsNoError;
});
}
CHAKRA_API
JsVarDeserializer(
_In_ void *data,
_In_ size_t size,
_In_ ReadHostObjectFunc readHostObject,
_In_ GetSharedArrayBufferFromIdFunc getSharedArrayBufferFromId,
_In_opt_ void* callbackState,
_Out_ JsVarDeserializerHandle *deserializerHandle)
{
PARAM_NOT_NULL(data);
PARAM_NOT_NULL(readHostObject);
PARAM_NOT_NULL(getSharedArrayBufferFromId);
PARAM_NOT_NULL(deserializerHandle);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraHostDeserializerHandle *reader = HeapNew(ChakraHostDeserializerHandle, readHostObject, getSharedArrayBufferFromId, callbackState);
reader->SetDeserializer(HeapNew(Js::SCACore::Deserializer, data, size, scriptContext, reader));
*deserializerHandle = reader;
return JsNoError;
});
}
CHAKRA_API
JsVarDeserializerReadRawBytes(_In_ JsVarDeserializerHandle deserializerHandle, _In_ size_t length, _Out_ void **data)
{
PARAM_NOT_NULL(deserializerHandle);
PARAM_NOT_NULL(data);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraHostDeserializerHandle* deserializer = reinterpret_cast<ChakraHostDeserializerHandle*>(deserializerHandle);
if (!deserializer->ReadRawBytes(length, data))
{
return JsErrorInvalidArgument;
}
return JsNoError;
});
}
CHAKRA_API
JsVarDeserializerReadBytes(_In_ JsVarDeserializerHandle deserializerHandle, _In_ size_t length, _Out_ void **data)
{
PARAM_NOT_NULL(deserializerHandle);
PARAM_NOT_NULL(data);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraHostDeserializerHandle* deserializer = reinterpret_cast<ChakraHostDeserializerHandle*>(deserializerHandle);
if (!deserializer->ReadBytes(length, data))
{
return JsErrorInvalidArgument;
}
return JsNoError;
});
}
CHAKRA_API
JsVarDeserializerReadValue(_In_ JsVarDeserializerHandle deserializerHandle, _Out_ JsValueRef* value)
{
PARAM_NOT_NULL(deserializerHandle);
PARAM_NOT_NULL(value);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraHostDeserializerHandle* deserializer = reinterpret_cast<ChakraHostDeserializerHandle*>(deserializerHandle);
*value = deserializer->ReadValue();
return JsNoError;
});
}
CHAKRA_API
JsVarDeserializerSetTransferableVars(_In_ JsVarDeserializerHandle deserializerHandle, _In_opt_ JsValueRef *transferableVars, _In_ size_t transferableVarsCount)
{
PARAM_NOT_NULL(deserializerHandle);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraHostDeserializerHandle* deserializer = reinterpret_cast<ChakraHostDeserializerHandle*>(deserializerHandle);
return deserializer->SetTransferableVars(transferableVars, transferableVarsCount);
});
}
CHAKRA_API
JsVarDeserializerFree(_In_ JsVarDeserializerHandle deserializerHandle)
{
PARAM_NOT_NULL(deserializerHandle);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
ChakraHostDeserializerHandle* deserializer = reinterpret_cast<ChakraHostDeserializerHandle*>(deserializerHandle);
deserializer->FreeSelf();
return JsNoError;
});
}
CHAKRA_API
JsGetArrayBufferExtraInfo(
_In_ JsValueRef arrayBuffer,
_Out_ char *extraInfo)
{
VALIDATE_JSREF(arrayBuffer);
PARAM_NOT_NULL(extraInfo);
BEGIN_JSRT_NO_EXCEPTION
{
if (!Js::VarIs<Js::ArrayBuffer>(arrayBuffer))
{
RETURN_NO_EXCEPTION(JsErrorInvalidArgument);
}
*extraInfo = Js::VarTo<Js::ArrayBuffer>(arrayBuffer)->GetExtraInfoBits();
}
END_JSRT_NO_EXCEPTION
}
CHAKRA_API
JsSetArrayBufferExtraInfo(
_In_ JsValueRef arrayBuffer,
_In_ char extraInfo)
{
VALIDATE_JSREF(arrayBuffer);
BEGIN_JSRT_NO_EXCEPTION
{
if (!Js::VarIs<Js::ArrayBuffer>(arrayBuffer))
{
RETURN_NO_EXCEPTION(JsErrorInvalidArgument);
}
Js::VarTo<Js::ArrayBuffer>(arrayBuffer)->SetExtraInfoBits(extraInfo);
}
END_JSRT_NO_EXCEPTION
}
CHAKRA_API
JsExternalizeArrayBuffer(
_In_ JsValueRef arrayBufferVar)
{
VALIDATE_JSREF(arrayBufferVar);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
Js::ArrayBuffer* arrayBuffer = Js::JavascriptOperators::TryFromVar<Js::ArrayBuffer>(arrayBufferVar);
if (!arrayBuffer)
{
return JsErrorInvalidArgument;
}
arrayBuffer->Externalize();
return JsNoError;
});
}
CHAKRA_API
JsHasOwnItem(_In_ JsValueRef object,
_In_ uint32_t index,
_Out_ bool* hasOwnItem)
{
return ContextAPIWrapper<true>(
[&](Js::ScriptContext* scriptContext,
TTDRecorder& _actionEntryPopper) -> JsErrorCode {
VALIDATE_INCOMING_OBJECT(object, scriptContext);
PARAM_NOT_NULL(hasOwnItem);
*hasOwnItem = !!Js::JavascriptOperators::HasOwnItem(
Js::VarTo<Js::RecyclableObject>(object), index);
return JsNoError;
});
}
CHAKRA_API
JsDetachArrayBuffer(
_In_ JsValueRef arrayBuffer)
{
VALIDATE_JSREF(arrayBuffer);
return ContextAPINoScriptWrapper_NoRecord([&](Js::ScriptContext *scriptContext) -> JsErrorCode {
if (!Js::VarIs<Js::ArrayBuffer>(arrayBuffer))
{
return JsErrorInvalidArgument;
}
Js::VarTo<Js::ArrayBuffer>(arrayBuffer)->Detach();
return JsNoError;
});
}
CHAKRA_API JsCreateSharedArrayBufferWithSharedContent(_In_ JsSharedArrayBufferContentHandle sharedContents, _Out_ JsValueRef *result)
{
return ContextAPIWrapper<JSRT_MAYBE_TRUE>([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PARAM_NOT_NULL(result);
Js::JavascriptLibrary* library = scriptContext->GetLibrary();
*result = library->CreateSharedArrayBuffer((Js::SharedContents*)sharedContents);
PERFORM_JSRT_TTD_RECORD_ACTION_RESULT(scriptContext, result);
JS_ETW(EventWriteJSCRIPT_RECYCLER_ALLOCATE_OBJECT(*result));
return JsNoError;
});
}
CHAKRA_API JsGetSharedArrayBufferContent(_In_ JsValueRef sharedArrayBuffer, _Out_ JsSharedArrayBufferContentHandle *sharedContents)
{
return ContextAPIWrapper<JSRT_MAYBE_TRUE>([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PARAM_NOT_NULL(sharedContents);
if (!Js::VarIs<Js::SharedArrayBuffer>(sharedArrayBuffer))
{
return JsErrorInvalidArgument;
}
Js::SharedContents**& content = (Js::SharedContents**&)sharedContents;
*content = Js::VarTo<Js::SharedArrayBuffer>(sharedArrayBuffer)->GetSharedContents();
if (*content == nullptr)
{
return JsErrorFatal;
}
(*content)->AddRef();
return JsNoError;
});
}
CHAKRA_API JsReleaseSharedArrayBufferContentHandle(_In_ JsSharedArrayBufferContentHandle sharedContents)
{
return ContextAPIWrapper<JSRT_MAYBE_TRUE>([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
((Js::SharedContents*)sharedContents)->Release();
return JsNoError;
});
}
CHAKRA_API JsCreateCustomExternalObject(
_In_opt_ void *data,
_In_opt_ size_t inlineSlotSize,
_In_opt_ JsTraceCallback traceCallback,
_In_opt_ JsFinalizeCallback finalizeCallback,
_Inout_opt_ JsGetterSetterInterceptor ** getterSetterInterceptor,
_In_opt_ JsValueRef prototype,
_Out_ JsValueRef * object)
{
return ContextAPINoScriptWrapper([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PERFORM_JSRT_TTD_RECORD_ACTION(scriptContext, RecordJsRTAllocateExternalObject, prototype);
PARAM_NOT_NULL(object);
Js::RecyclableObject * prototypeObject = nullptr;
if (prototype != JS_INVALID_REFERENCE)
{
VALIDATE_INCOMING_OBJECT_OR_NULL(prototype, scriptContext);
prototypeObject = Js::VarTo<Js::RecyclableObject>(prototype);
}
if (inlineSlotSize > UINT32_MAX)
{
return JsErrorInvalidArgument;
}
Js::JsGetterSetterInterceptor * interceptor = nullptr;
*object = Js::CustomExternalWrapperObject::Create(data, (uint)inlineSlotSize, traceCallback, finalizeCallback, &interceptor, prototypeObject, scriptContext);
Assert(interceptor);
*getterSetterInterceptor = reinterpret_cast<JsGetterSetterInterceptor*>(interceptor);
PERFORM_JSRT_TTD_RECORD_ACTION_RESULT(scriptContext, object);
return JsNoError;
});
}
CHAKRA_API JsCreateTracedExternalObject(
_In_opt_ void *data,
_In_opt_ size_t inlineSlotSize,
_In_opt_ JsTraceCallback traceCallback,
_In_opt_ JsFinalizeCallback finalizeCallback,
_In_opt_ JsValueRef prototype,
_Out_ JsValueRef *object)
{
return ContextAPINoScriptWrapper([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PERFORM_JSRT_TTD_RECORD_ACTION(scriptContext, RecordJsRTAllocateExternalObject, prototype);
PARAM_NOT_NULL(object);
Js::RecyclableObject * prototypeObject = nullptr;
if (prototype != JS_INVALID_REFERENCE)
{
VALIDATE_INCOMING_OBJECT_OR_NULL(prototype, scriptContext);
prototypeObject = Js::VarTo<Js::RecyclableObject>(prototype);
}
if (inlineSlotSize > UINT32_MAX)
{
return JsErrorInvalidArgument;
}
*object = JsrtExternalObject::Create(data, (uint)inlineSlotSize, traceCallback, finalizeCallback, prototypeObject, scriptContext, nullptr);
PERFORM_JSRT_TTD_RECORD_ACTION_RESULT(scriptContext, object);
return JsNoError;
});
}
CHAKRA_API JsPrivateHasProperty(
_In_ JsValueRef object,
_In_ JsValueRef key,
_Out_ bool *hasProperty)
{
return ContextAPIWrapper<JSRT_MAYBE_TRUE>([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PERFORM_JSRT_TTD_RECORD_ACTION_NOT_IMPLEMENTED(scriptContext);
VALIDATE_INCOMING_OBJECT(object, scriptContext);
VALIDATE_INCOMING_REFERENCE(key, scriptContext);
PARAM_NOT_NULL(hasProperty);
*hasProperty = false;
Js::DynamicObject* dynObj = Js::VarTo<Js::DynamicObject>(object);
if (!dynObj->HasObjectArray())
{
return JsNoError;
}
*hasProperty = Js::JavascriptOperators::OP_HasItem(dynObj->GetObjectArray(), key, scriptContext) != 0;
return JsNoError;
});
}
CHAKRA_API JsPrivateGetProperty(
_In_ JsValueRef object,
_In_ JsValueRef key,
_Out_ JsValueRef *value)
{
return ContextAPIWrapper<JSRT_MAYBE_TRUE>([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PERFORM_JSRT_TTD_RECORD_ACTION(scriptContext, RecordJsRTGetIndex, key, object);
VALIDATE_INCOMING_OBJECT(object, scriptContext);
VALIDATE_INCOMING_REFERENCE(key, scriptContext);
PARAM_NOT_NULL(value);
*value = nullptr;
Js::DynamicObject* dynObj = Js::VarTo<Js::DynamicObject>(object);
if (!dynObj->HasObjectArray())
{
*value = scriptContext->GetLibrary()->GetUndefined();
PERFORM_JSRT_TTD_RECORD_ACTION_RESULT(scriptContext, value);
return JsNoError;
}
*value = (JsValueRef)Js::JavascriptOperators::OP_GetElementI(dynObj->GetObjectArray(), key, scriptContext);
PERFORM_JSRT_TTD_RECORD_ACTION_RESULT(scriptContext, value);
return JsNoError;
});
}
CHAKRA_API JsPrivateSetProperty(
_In_ JsValueRef object,
_In_ JsValueRef key,
_In_ JsValueRef value)
{
return ContextAPIWrapper<JSRT_MAYBE_TRUE>([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PERFORM_JSRT_TTD_RECORD_ACTION(scriptContext, RecordJsRTSetIndex, object, key, value);
VALIDATE_INCOMING_OBJECT(object, scriptContext);
VALIDATE_INCOMING_REFERENCE(key, scriptContext);
VALIDATE_INCOMING_REFERENCE(value, scriptContext);
Js::DynamicObject* dynObj = Js::VarTo<Js::DynamicObject>(object);
if (!dynObj->HasObjectArray())
{
Js::ArrayObject* objArray = scriptContext->GetLibrary()->CreateArray();
dynObj->SetObjectArray(objArray);
}
Js::JavascriptOperators::OP_SetElementI(dynObj->GetObjectArray(), key, value, scriptContext);
return JsNoError;
});
}
CHAKRA_API JsPrivateDeleteProperty(
_In_ JsValueRef object,
_In_ JsValueRef key,
_Out_ JsValueRef *result)
{
return ContextAPIWrapper<JSRT_MAYBE_TRUE>([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PERFORM_JSRT_TTD_RECORD_ACTION_NOT_IMPLEMENTED(scriptContext);
VALIDATE_INCOMING_OBJECT(object, scriptContext);
VALIDATE_INCOMING_REFERENCE(key, scriptContext);
Js::DynamicObject* dynObj = Js::VarTo<Js::DynamicObject>(object);
if (!dynObj->HasObjectArray())
{
*result = scriptContext->GetLibrary()->GetFalse();
return JsNoError;
}
*result = Js::JavascriptOperators::OP_DeleteElementI(dynObj->GetObjectArray(), key, scriptContext);
return JsNoError;
});
}
CHAKRA_API JsCloneObject(_In_ JsValueRef source, _Out_ JsValueRef* newObject)
{
VALIDATE_JSREF(source);
return ContextAPINoScriptWrapper([&](Js::ScriptContext* scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
while (Js::VarIs<Js::JavascriptProxy>(source))
{
source = Js::UnsafeVarTo<Js::JavascriptProxy>(source)->GetTarget();
}
// We can currently only clone certain types of dynamic objects
// TODO: support other object types
if (Js::DynamicObject::IsBaseDynamicObject(source) ||
Js::VarIs<JsrtExternalObject>(source) ||
Js::VarIs<Js::CustomExternalWrapperObject>(source))
{
Js::DynamicObject* objSource = Js::UnsafeVarTo<Js::DynamicObject>(source);
*newObject = objSource->Copy(true);
return JsNoError;
}
return JsErrorInvalidArgument;
});
}
template <class SrcChar, class DstChar>
static void CastCopy(const SrcChar* src, DstChar* dst, size_t count)
{
const SrcChar* end = src + count;
while (src < end)
{
*dst++ = static_cast<DstChar>(*src++);
}
}
CHAKRA_API JsCreateString(
_In_ const char *content,
_In_ size_t length,
_Out_ JsValueRef *value)
{
PARAM_NOT_NULL(content);
PARAM_NOT_NULL(value);
*value = JS_INVALID_REFERENCE;
if (length == static_cast<size_t>(-1))
{
length = strlen(content);
}
if (length > MaxCharCount)
{
return JsErrorOutOfMemory;
}
return ContextAPINoScriptWrapper([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
Js::JavascriptString *stringValue = Js::LiteralStringWithPropertyStringPtr::
NewFromCString(content, (CharCount)length, scriptContext->GetLibrary());
PERFORM_JSRT_TTD_RECORD_ACTION(scriptContext, RecordJsRTCreateString, stringValue->GetSz(), stringValue->GetLength());
*value = stringValue;
PERFORM_JSRT_TTD_RECORD_ACTION_RESULT(scriptContext, value);
return JsNoError;
});
}
CHAKRA_API JsCreateStringUtf16(
_In_ const uint16_t *content,
_In_ size_t length,
_Out_ JsValueRef *value)
{
PARAM_NOT_NULL(content);
PARAM_NOT_NULL(value);
*value = JS_INVALID_REFERENCE;
if (length == static_cast<size_t>(-1))
{
length = wcslen((const char16 *)content);
}
if (length > static_cast<CharCount>(-1))
{
return JsErrorOutOfMemory;
}
return ContextAPINoScriptWrapper([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
Js::JavascriptString *stringValue = Js::LiteralStringWithPropertyStringPtr::
NewFromWideString((const char16 *)content, (CharCount)length, scriptContext->GetLibrary());
PERFORM_JSRT_TTD_RECORD_ACTION(scriptContext, RecordJsRTCreateString, stringValue->GetSz(), stringValue->GetLength());
*value = stringValue;
PERFORM_JSRT_TTD_RECORD_ACTION_RESULT(scriptContext, value);
return JsNoError;
});
}
CHAKRA_API JsCreatePropertyString(
_In_z_ const char *name,
_In_ size_t length,
_Out_ JsValueRef *propertyString)
{
return ContextAPINoScriptWrapper([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PERFORM_JSRT_TTD_RECORD_ACTION_NOT_IMPLEMENTED(scriptContext);
Js::PropertyRecord* propertyRecord;
JsErrorCode errorCode = JsCreatePropertyId(name, length, (JsPropertyIdRef *)&propertyRecord);
if (errorCode != JsNoError)
{
return errorCode;
}
*propertyString = scriptContext->GetPropertyString(propertyRecord);
return JsNoError;
});
}
CHAKRA_API JsCreatePromise(_Out_ JsValueRef *promise, _Out_ JsValueRef *resolve, _Out_ JsValueRef *reject)
{
return ContextAPIWrapper<JSRT_MAYBE_TRUE>([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PERFORM_JSRT_TTD_RECORD_ACTION_NOT_IMPLEMENTED(scriptContext);
PARAM_NOT_NULL(promise);
PARAM_NOT_NULL(resolve);
PARAM_NOT_NULL(reject);
*promise = nullptr;
*resolve = nullptr;
*reject = nullptr;
Js::JavascriptPromiseResolveOrRejectFunction *jsResolve = nullptr;
Js::JavascriptPromiseResolveOrRejectFunction *jsReject = nullptr;
Js::JavascriptPromise *jsPromise = scriptContext->GetLibrary()->CreatePromise();
Js::JavascriptPromise::InitializePromise(jsPromise, &jsResolve, &jsReject, scriptContext);
*promise = (JsValueRef)jsPromise;
*resolve = (JsValueRef)jsResolve;
*reject = (JsValueRef)jsReject;
return JsNoError;
});
}
CHAKRA_API JsGetPromiseState(_In_ JsValueRef promise, _Out_ JsPromiseState *state)
{
return ContextAPIWrapper<JSRT_MAYBE_TRUE>([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PERFORM_JSRT_TTD_RECORD_ACTION_NOT_IMPLEMENTED(scriptContext);
VALIDATE_INCOMING_REFERENCE(promise, scriptContext);
PARAM_NOT_NULL(state);
*state = JsPromiseStatePending;
if (!Js::VarIs<Js::JavascriptPromise>(promise))
{
return JsErrorInvalidArgument;
}
Js::JavascriptPromise *jsPromise = Js::VarTo<Js::JavascriptPromise>(promise);
Js::JavascriptPromise::PromiseStatus status = jsPromise->GetStatus();
switch (status)
{
case Js::JavascriptPromise::PromiseStatus::PromiseStatusCode_HasRejection:
*state = JsPromiseStateRejected;
break;
case Js::JavascriptPromise::PromiseStatus::PromiseStatusCode_HasResolution:
*state = JsPromiseStateFulfilled;
break;
}
return JsNoError;
});
}
CHAKRA_API JsGetPromiseResult(_In_ JsValueRef promise, _Out_ JsValueRef *result)
{
return ContextAPIWrapper<JSRT_MAYBE_TRUE>([&](Js::ScriptContext *scriptContext, TTDRecorder& _actionEntryPopper) -> JsErrorCode {
PERFORM_JSRT_TTD_RECORD_ACTION_NOT_IMPLEMENTED(scriptContext);
VALIDATE_INCOMING_REFERENCE(promise, scriptContext);
PARAM_NOT_NULL(result);
*result = JS_INVALID_REFERENCE;
if (!Js::VarIs<Js::JavascriptPromise>(promise))
{
return JsErrorInvalidArgument;
}
Js::JavascriptPromise *jsPromise = Js::VarTo<Js::JavascriptPromise>(promise);
Js::Var jsResult = jsPromise->GetResult();
if (jsResult == nullptr)
{
return JsErrorPromisePending;
}
*result = (JsValueRef)jsResult;
return JsNoError;
});
}
CHAKRA_API JsCreateWeakReference(
_In_ JsValueRef value,
_Out_ JsWeakRef* weakRef)
{
VALIDATE_JSREF(value);
PARAM_NOT_NULL(weakRef);
*weakRef = nullptr;
if (Js::TaggedNumber::Is(value))
{
return JsNoWeakRefRequired;
}
return GlobalAPIWrapper_NoRecord([&]() -> JsErrorCode {
ThreadContext* threadContext = ThreadContext::GetContextForCurrentThread();
if (threadContext == nullptr)
{
return JsErrorNoCurrentContext;