static bool ValidateFFI(JSContext *cx, AsmJSModule::Global &global, HandleValue importVal, AutoObjectVector *ffis) { RootedPropertyName field(cx, global.ffiField()); RootedValue v(cx); if (!GetDataProperty(cx, importVal, field, &v)) return false; if (!v.isObject() || !v.toObject().is<JSFunction>()) return LinkFail(cx, "FFI imports must be functions"); (*ffis)[global.ffiIndex()] = &v.toObject().as<JSFunction>(); return true; }