Differential D3769 Diff 19508 source/scriptinterface/ScriptInterface.cpp

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source/scriptinterface/ScriptInterface.cpp

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* @file		* @file
* Abstractions of various SpiderMonkey features.		* Abstractions of various SpiderMonkey features.
* Engine code should be using functions of these interfaces rather than		* Engine code should be using functions of these interfaces rather than
* directly accessing the underlying JS api.		* directly accessing the underlying JS api.
*/		*/

struct ScriptInterface_impl		struct ScriptInterface_impl
{		{
ScriptInterface_impl(const char* nativeScopeName, const std::shared_ptr<ScriptContext>& context);		ScriptInterface_impl(const char* nativeScopeName, const std::shared_ptr<ScriptContext>& context, JS::Compartment* compartment);
~ScriptInterface_impl();		~ScriptInterface_impl();

// Take care to keep this declaration before heap rooted members. Destructors of heap rooted		// Take care to keep this declaration before heap rooted members. Destructors of heap rooted
// members have to be called before the context destructor.		// members have to be called before the context destructor.
std::shared_ptr<ScriptContext> m_context;		std::shared_ptr<ScriptContext> m_context;

friend ScriptRequest;		friend ScriptRequest;
private:		private:
▲ Show 20 Lines • Show All 231 Lines • ▼ Show 20 Lines	bool ScriptInterface::Math_random(JSContext* cx, uint argc, JS::Value* vp)
double r;		double r;
if (!ScriptInterface::CmptPrivate::GetScriptInterface(cx).MathRandom(r))		if (!ScriptInterface::CmptPrivate::GetScriptInterface(cx).MathRandom(r))
return false;		return false;

args.rval().setNumber(r);		args.rval().setNumber(r);
return true;		return true;
}		}

ScriptInterface_impl::ScriptInterface_impl(const char* nativeScopeName, const std::shared_ptr<ScriptContext>& context) :		ScriptInterface_impl::ScriptInterface_impl(const char* nativeScopeName, const std::shared_ptr<ScriptContext>& context, JS::Compartment* compartment) :
m_context(context), m_cx(context->GetGeneralJSContext()), m_glob(context->GetGeneralJSContext()), m_nativeScope(context->GetGeneralJSContext())		m_context(context), m_cx(context->GetGeneralJSContext()), m_glob(context->GetGeneralJSContext()), m_nativeScope(context->GetGeneralJSContext())
{		{
JS::RealmCreationOptions creationOpt;		JS::RealmCreationOptions creationOpt;
// Keep JIT code during non-shrinking GCs. This brings a quite big performance improvement.		// Keep JIT code during non-shrinking GCs. This brings a quite big performance improvement.
creationOpt.setPreserveJitCode(true);		creationOpt.setPreserveJitCode(true);
// Enable uneval		// Enable uneval
creationOpt.setToSourceEnabled(true);		creationOpt.setToSourceEnabled(true);

		if (compartment)
		creationOpt.setExistingCompartment(compartment);
		else
		// This is the default behaviour.
		creationOpt.setNewCompartmentAndZone();

JS::RealmOptions opt(creationOpt, JS::RealmBehaviors{});		JS::RealmOptions opt(creationOpt, JS::RealmBehaviors{});

m_glob = JS_NewGlobalObject(m_cx, &global_class, nullptr, JS::OnNewGlobalHookOption::FireOnNewGlobalHook, opt);		m_glob = JS_NewGlobalObject(m_cx, &global_class, nullptr, JS::OnNewGlobalHookOption::FireOnNewGlobalHook, opt);

JSAutoRealm autoRealm(m_cx, m_glob);		JSAutoRealm autoRealm(m_cx, m_glob);

ENSURE(JS::InitRealmStandardClasses(m_cx));		ENSURE(JS::InitRealmStandardClasses(m_cx));

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}		}

ScriptInterface_impl::~ScriptInterface_impl()		ScriptInterface_impl::~ScriptInterface_impl()
{		{
m_context->UnRegisterRealm(JS::GetObjectRealmOrNull(m_glob));		m_context->UnRegisterRealm(JS::GetObjectRealmOrNull(m_glob));
}		}

ScriptInterface::ScriptInterface(const char* nativeScopeName, const char* debugName, const std::shared_ptr<ScriptContext>& context) :		ScriptInterface::ScriptInterface(const char* nativeScopeName, const char* debugName, const std::shared_ptr<ScriptContext>& context) :
m(std::make_unique<ScriptInterface_impl>(nativeScopeName, context))		m(std::make_unique<ScriptInterface_impl>(nativeScopeName, context, nullptr))
{		{
// Profiler stats table isn't thread-safe, so only enable this on the main thread		// Profiler stats table isn't thread-safe, so only enable this on the main thread
if (Threading::IsMainThread())		if (Threading::IsMainThread())
{		{
if (g_ScriptStatsTable)		if (g_ScriptStatsTable)
g_ScriptStatsTable->Add(this, debugName);		g_ScriptStatsTable->Add(this, debugName);
}		}

ScriptRequest rq(this);		ScriptRequest rq(this);
m_CmptPrivate.pScriptInterface = this;		m_CmptPrivate.pScriptInterface = this;
JS::SetRealmPrivate(JS::GetObjectRealmOrNull(rq.glob), (void*)&m_CmptPrivate);		JS::SetRealmPrivate(JS::GetObjectRealmOrNull(rq.glob), (void*)&m_CmptPrivate);
}		}

		ScriptInterface::ScriptInterface(const char* nativeScopeName, const char* debugName, const ScriptInterface& neighbor)
		{
		ScriptRequest nrq(neighbor);
		JS::Compartment* comp = JS::GetCompartmentForRealm(JS::GetCurrentRealmOrNull(nrq.cx));
		m = std::make_unique<ScriptInterface_impl>(nativeScopeName, neighbor.GetContext(), comp);

		// Profiler stats table isn't thread-safe, so only enable this on the main thread
		if (Threading::IsMainThread())
		{
		if (g_ScriptStatsTable)
		g_ScriptStatsTable->Add(this, debugName);
		}

		ScriptRequest rq(this);
		m_CmptPrivate.pScriptInterface = this;
		JS::SetRealmPrivate(JS::GetObjectRealmOrNull(rq.glob), (void*)&m_CmptPrivate);
		}

ScriptInterface::~ScriptInterface()		ScriptInterface::~ScriptInterface()
{		{
if (Threading::IsMainThread())		if (Threading::IsMainThread())
{		{
if (g_ScriptStatsTable)		if (g_ScriptStatsTable)
g_ScriptStatsTable->Remove(this);		g_ScriptStatsTable->Remove(this);
}		}
}		}
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