Differential D4428 Diff 19435 source/scriptinterface/ScriptInterface.cpp

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source/scriptinterface/ScriptInterface.cpp

Show First 20 Lines • Show All 502 Lines • ▼ Show 20 Lines	bool ScriptInterface::SetGlobal_(const char* name, JS::HandleValue value, bool replace, bool constant, bool enumerate)
ScriptRequest rq(this);		ScriptRequest rq(this);
JS::RootedObject global(rq.cx, rq.glob);		JS::RootedObject global(rq.cx, rq.glob);

bool found;		bool found;
if (!JS_HasProperty(rq.cx, global, name, &found))		if (!JS_HasProperty(rq.cx, global, name, &found))
return false;		return false;
if (found)		if (found)
{		{
JS::Rooted<JS::PropertyDescriptor> desc(rq.cx);		JS::Rooted<mozilla::Maybe<JS::PropertyDescriptor>> desc(rq.cx);
if (!JS_GetOwnPropertyDescriptor(rq.cx, global, name, &desc))		if (!JS_GetOwnPropertyDescriptor(rq.cx, global, name, &desc) \|\| !desc.isSome())
return false;		return false;

if (!desc.writable())		if (!desc->writable())
{		{
if (!replace)		if (!replace)
{		{
ScriptException::Raise(rq, "SetGlobal \"%s\" called multiple times", name);		ScriptException::Raise(rq, "SetGlobal \"%s\" called multiple times", name);
return false;		return false;
}		}

// This is not supposed to happen, unless the user has called SetProperty with constant = true on the global object		// This is not supposed to happen, unless the user has called SetProperty with constant = true on the global object
// instead of using SetGlobal.		// instead of using SetGlobal.
if (!desc.configurable())		if (!desc->configurable())
{		{
ScriptException::Raise(rq, "The global \"%s\" is permanent and cannot be hotloaded", name);		ScriptException::Raise(rq, "The global \"%s\" is permanent and cannot be hotloaded", name);
return false;		return false;
}		}

LOGMESSAGE("Hotloading new value for global \"%s\".", name);		LOGMESSAGE("Hotloading new value for global \"%s\".", name);
ENSURE(JS_DeleteProperty(rq.cx, global, name));		ENSURE(JS_DeleteProperty(rq.cx, global, name));
}		}
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