Js::JavascriptNumber *
CodeGenNumberAllocator::Alloc()
{
Assert(!finalized);
if (currentChunkNumberCount == CodeGenNumberChunk::MaxNumberCount)
{
CodeGenNumberChunk * newChunk = threadAlloc? threadAlloc->AllocChunk()
: RecyclerNewStructZ(recycler, CodeGenNumberChunk);
// Need to always put the new chunk last, as when we flush
// pages, new chunk's page might not be full yet, and won't
// be flushed, and we will have a broken link in the link list.
newChunk->next = nullptr;
if (this->chunkTail != nullptr)
{
this->chunkTail->next = newChunk;
}
else
{
this->chunk = newChunk;
}
this->chunkTail = newChunk;
this->currentChunkNumberCount = 0;
}
Js::JavascriptNumber * newNumber = threadAlloc? threadAlloc->AllocNumber()
: Js::JavascriptNumber::NewUninitialized(recycler);
this->chunkTail->numbers[this->currentChunkNumberCount++] = newNumber;
return newNumber;
}
void JsBuiltInEngineInterfaceExtensionObject::EnsureJsBuiltInByteCode(ScriptContext * scriptContext)
{
if (jsBuiltInByteCode == nullptr)
{
SourceContextInfo* sourceContextInfo = RecyclerNewStructZ(scriptContext->GetRecycler(), SourceContextInfo);
sourceContextInfo->dwHostSourceContext = Js::Constants::JsBuiltInSourceContext;
sourceContextInfo->isHostDynamicDocument = true;
sourceContextInfo->sourceContextId = Js::Constants::JsBuiltInSourceContextId;
Assert(sourceContextInfo != nullptr);
SRCINFO si;
memset(&si, 0, sizeof(si));
si.sourceContextInfo = sourceContextInfo;
SRCINFO *hsi = scriptContext->AddHostSrcInfo(&si);
uint32 flags = fscrJsBuiltIn | (CONFIG_FLAG(CreateFunctionProxy) && !scriptContext->IsProfiling() ? fscrAllowFunctionProxy : 0);
HRESULT hr = Js::ByteCodeSerializer::DeserializeFromBuffer(scriptContext, flags, (LPCUTF8)nullptr, hsi, (byte*)Library_Bytecode_JsBuiltIn, nullptr, &jsBuiltInByteCode);
IfFailAssertMsgAndThrowHr(hr, "Failed to deserialize JsBuiltIn.js bytecode - very probably the bytecode needs to be rebuilt.");
this->SetHasBytecode();
}
}