Differential D3087 Diff 13847 source/scriptinterface/ScriptInterface.cpp

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source/scriptinterface/ScriptInterface.cpp

Show First 20 Lines • Show All 58 Lines • ▼ Show 20 Lines	struct ScriptInterface_impl
void Register(const char* name, JSNative fptr, uint nargs) const;		void Register(const char* name, JSNative fptr, uint nargs) const;

// 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 runtime destructor.		// members have to be called before the runtime destructor.
shared_ptr<ScriptRuntime> m_runtime;		shared_ptr<ScriptRuntime> m_runtime;

JSContext* m_cx;		JSContext* m_cx;
JS::PersistentRootedObject m_glob; // global scope object		JS::PersistentRootedObject m_glob; // global scope object
JSCompartment* m_comp;		JSCompartment* m_formerCompartment;
boost::rand48* m_rng;		boost::rand48* m_rng;
JS::PersistentRootedObject m_nativeScope; // native function scope object		JS::PersistentRootedObject m_nativeScope; // native function scope object
};		};

namespace		namespace
{		{

JSClass global_class = {		JSClass global_class = {
▲ Show 20 Lines • Show All 252 Lines • ▼ Show 20 Lines	if (m->m_rng == NULL)
return false;		return false;
nbr = generate_uniform_real(*(m->m_rng), 0.0, 1.0);		nbr = generate_uniform_real(*(m->m_rng), 0.0, 1.0);
return true;		return true;
}		}

ScriptInterface_impl::ScriptInterface_impl(const char* nativeScopeName, const shared_ptr<ScriptRuntime>& runtime) :		ScriptInterface_impl::ScriptInterface_impl(const char* nativeScopeName, const shared_ptr<ScriptRuntime>& runtime) :
m_runtime(runtime), m_glob(runtime->m_rt), m_nativeScope(runtime->m_rt)		m_runtime(runtime), m_glob(runtime->m_rt), m_nativeScope(runtime->m_rt)
{		{
bool ok;

m_cx = JS_NewContext(m_runtime->m_rt, STACK_CHUNK_SIZE);		m_cx = JS_NewContext(m_runtime->m_rt, STACK_CHUNK_SIZE);
ENSURE(m_cx);		ENSURE(m_cx);

JS_SetOffthreadIonCompilationEnabled(m_runtime->m_rt, true);		JS_SetOffthreadIonCompilationEnabled(m_runtime->m_rt, true);

// For GC debugging:		// For GC debugging:
// JS_SetGCZeal(m_cx, 2, JS_DEFAULT_ZEAL_FREQ);		// JS_SetGCZeal(m_cx, 2, JS_DEFAULT_ZEAL_FREQ);

Show All 11 Lines	ScriptInterface_impl::ScriptInterface_impl(const char* nativeScopeName, const shared_ptr<ScriptRuntime>& runtime) :

JS::CompartmentOptions opt;		JS::CompartmentOptions opt;
opt.setVersion(JSVERSION_LATEST);		opt.setVersion(JSVERSION_LATEST);
// 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.
opt.setPreserveJitCode(true);		opt.setPreserveJitCode(true);

JSAutoRequest rq(m_cx);		JSAutoRequest rq(m_cx);
JS::RootedObject globalRootedVal(m_cx, JS_NewGlobalObject(m_cx, &global_class, NULL, JS::OnNewGlobalHookOption::FireOnNewGlobalHook, opt));		JS::RootedObject globalRootedVal(m_cx, JS_NewGlobalObject(m_cx, &global_class, NULL, JS::OnNewGlobalHookOption::FireOnNewGlobalHook, opt));
m_comp = JS_EnterCompartment(m_cx, globalRootedVal);		m_formerCompartment = JS_EnterCompartment(m_cx, globalRootedVal);
ok = JS_InitStandardClasses(m_cx, globalRootedVal);		ENSURE(JS_InitStandardClasses(m_cx, globalRootedVal));
ENSURE(ok);
m_glob = globalRootedVal.get();		m_glob = globalRootedVal.get();

JS_DefineProperty(m_cx, m_glob, "global", globalRootedVal, JSPROP_ENUMERATE \| JSPROP_READONLY \| JSPROP_PERMANENT);		JS_DefineProperty(m_cx, m_glob, "global", globalRootedVal, JSPROP_ENUMERATE \| JSPROP_READONLY \| JSPROP_PERMANENT);

m_nativeScope = JS_DefineObject(m_cx, m_glob, nativeScopeName, nullptr, JSPROP_ENUMERATE \| JSPROP_READONLY \| JSPROP_PERMANENT);		m_nativeScope = JS_DefineObject(m_cx, m_glob, nativeScopeName, nullptr, JSPROP_ENUMERATE \| JSPROP_READONLY \| JSPROP_PERMANENT);

JS_DefineFunction(m_cx, globalRootedVal, "print", ::print, 0, JSPROP_ENUMERATE \| JSPROP_READONLY \| JSPROP_PERMANENT);		JS_DefineFunction(m_cx, globalRootedVal, "print", ::print, 0, JSPROP_ENUMERATE \| JSPROP_READONLY \| JSPROP_PERMANENT);
JS_DefineFunction(m_cx, globalRootedVal, "log", ::logmsg, 1, JSPROP_ENUMERATE \| JSPROP_READONLY \| JSPROP_PERMANENT);		JS_DefineFunction(m_cx, globalRootedVal, "log", ::logmsg, 1, JSPROP_ENUMERATE \| JSPROP_READONLY \| JSPROP_PERMANENT);
Show All 9 Lines	ScriptInterface_impl::ScriptInterface_impl(const char* nativeScopeName, const shared_ptr<ScriptRuntime>& runtime) :
runtime->RegisterContext(m_cx);		runtime->RegisterContext(m_cx);
}		}

ScriptInterface_impl::~ScriptInterface_impl()		ScriptInterface_impl::~ScriptInterface_impl()
{		{
m_runtime->UnRegisterContext(m_cx);		m_runtime->UnRegisterContext(m_cx);
{		{
JSAutoRequest rq(m_cx);		JSAutoRequest rq(m_cx);
JS_LeaveCompartment(m_cx, m_comp);		JS_LeaveCompartment(m_cx, m_formerCompartment);
}		}
JS_DestroyContext(m_cx);		JS_DestroyContext(m_cx);
}		}

void ScriptInterface_impl::Register(const char* name, JSNative fptr, uint nargs) const		void ScriptInterface_impl::Register(const char* name, JSNative fptr, uint nargs) const
{		{
JSAutoRequest rq(m_cx);		JSAutoRequest rq(m_cx);
JS::RootedObject nativeScope(m_cx, m_nativeScope);		JS::RootedObject nativeScope(m_cx, m_nativeScope);
▲ Show 20 Lines • Show All 156 Lines • ▼ Show 20 Lines	if (!JS_ValueToObject(m->m_cx, val, &obj) \|\| !obj)
return false;		return false;

// Check that the named function actually exists, to avoid ugly JS error reports		// Check that the named function actually exists, to avoid ugly JS error reports
// when calling an undefined value		// when calling an undefined value
bool found;		bool found;
if (!JS_HasProperty(m->m_cx, obj, name, &found) \|\| !found)		if (!JS_HasProperty(m->m_cx, obj, name, &found) \|\| !found)
return false;		return false;

bool ok = JS_CallFunctionName(m->m_cx, obj, name, argv, ret);		return JS_CallFunctionName(m->m_cx, obj, name, argv, ret);

return ok;
}		}

bool ScriptInterface::CreateObject_(JSContext* cx, JS::MutableHandleObject object)		bool ScriptInterface::CreateObject_(JSContext* cx, JS::MutableHandleObject object)
{		{
// JSAutoRequest is the responsibility of the caller		// JSAutoRequest is the responsibility of the caller

object.set(JS_NewPlainObject(cx));		object.set(JS_NewPlainObject(cx));

▲ Show 20 Lines • Show All 266 Lines • ▼ Show 20 Lines	bool ScriptInterface::LoadScript(const VfsPath& filename, const std::string& code) const
if (!JS::CompileFunction(m->m_cx, emptyScopeChain, options, NULL, 0, NULL,		if (!JS::CompileFunction(m->m_cx, emptyScopeChain, options, NULL, 0, NULL,
reinterpret_cast<const char16_t*>(codeUtf16.c_str()), (uint)(codeUtf16.length()), &func))		reinterpret_cast<const char16_t*>(codeUtf16.c_str()), (uint)(codeUtf16.length()), &func))
return false;		return false;

JS::RootedValue rval(m->m_cx);		JS::RootedValue rval(m->m_cx);
return JS_CallFunction(m->m_cx, nullptr, func, JS::HandleValueArray::empty(), &rval);		return JS_CallFunction(m->m_cx, nullptr, func, JS::HandleValueArray::empty(), &rval);
}		}

shared_ptr<ScriptRuntime> ScriptInterface::CreateRuntime(shared_ptr<ScriptRuntime> parentRuntime, int runtimeSize, int heapGrowthBytesGCTrigger)
{
return shared_ptr<ScriptRuntime>(new ScriptRuntime(parentRuntime, runtimeSize, heapGrowthBytesGCTrigger));
}

bool ScriptInterface::LoadGlobalScript(const VfsPath& filename, const std::wstring& code) const		bool ScriptInterface::LoadGlobalScript(const VfsPath& filename, const std::wstring& code) const
{		{
JSAutoRequest rq(m->m_cx);		JSAutoRequest rq(m->m_cx);
utf16string codeUtf16(code.begin(), code.end());		utf16string codeUtf16(code.begin(), code.end());
uint lineNo = 1;		uint lineNo = 1;
// CompileOptions does not copy the contents of the filename string pointer.		// CompileOptions does not copy the contents of the filename string pointer.
// Passing a temporary string there will cause undefined behaviour, so we create a separate string to avoid the temporary.		// Passing a temporary string there will cause undefined behaviour, so we create a separate string to avoid the temporary.
std::string filenameStr = filename.string8();		std::string filenameStr = filename.string8();
▲ Show 20 Lines • Show All 258 Lines • Show Last 20 Lines