JS_NEVER_INLINE bool
cls_testIsAboutToBeFinalized_bug528645::createAndTestRooted()
{
jsvalRoot root(cx);
/*
* Check various types of GC things against JS_IsAboutToBeFinalized.
* Make sure to include unit and numeric strings to the set.
*/
EVAL("var x = 1.1; "
"[''+x, 'a', '123456789', 'something'.substring(1), "
"{}, [], new Function('return 10;'), <xml/>];",
root.addr());
JSObject *array = JSVAL_TO_OBJECT(root.value());
JS_ASSERT(JS_IsArrayObject(cx, array));
JSBool ok = JS_GetArrayLength(cx, array, &checkPointersLength);
CHECK(ok);
checkPointers = (void **) malloc(sizeof(void *) * checkPointersLength);
CHECK(checkPointers);
checkPointersStaticStrings = 0;
for (jsuint i = 0; i != checkPointersLength; ++i) {
jsval v;
ok = JS_GetElement(cx, array, i, &v);
CHECK(ok);
JS_ASSERT(JSVAL_IS_GCTHING(v));
JS_ASSERT(!JSVAL_IS_NULL(v));
checkPointers[i] = JSVAL_TO_GCTHING(v);
if (JSString::isStatic(checkPointers[i]))
++checkPointersStaticStrings;
}
oldGCCallback = JS_SetGCCallback(cx, TestAboutToBeFinalizedCallback);
JS_GC(cx);
/*
* All GC things are rooted via the root holding the array containing them
* and TestAboutToBeFinalizedCallback must keep them as is.
*/
for (jsuint i = 0; i != checkPointersLength; ++i)
CHECK(checkPointers[i]);
/*
* Overwrite the registers and stack with new GC things to avoid false
* positives with the finalization test.
*/
EVAL("[]", root.addr());
array = JSVAL_TO_OBJECT(root.value());
JS_ASSERT(JS_IsArrayObject(cx, array));
jsuint tmp;
CHECK(JS_GetArrayLength(cx, array, &tmp));
CHECK(ok);
return true;
}
void PersistentGCReference::MakeWeak(WeakReferenceCallback callback, void *context) {
if (!setupWeakRefs) {
JS_SetGCCallback(cx(), GCCallback);
setupWeakRefs = true;
}
this->callback = callback;
this->context = context;
next = weakPtrs;
prev = NULL;
weakPtrs = this;
unroot(cx());
}
MozJSImplScope::MozJSImplScope(MozJSScriptEngine* engine)
: _engine(engine),
_mr(),
_runtime(_mr._runtime),
_context(_mr._context),
_globalProto(_context),
_global(_globalProto.getProto()),
_funcs(),
_internedStrings(_context),
_pendingKill(false),
_opId(0),
_opCtx(nullptr),
_pendingGC(false),
_connectState(ConnectState::Not),
_status(Status::OK()),
_quickExit(false),
_generation(0),
_binDataProto(_context),
_bsonProto(_context),
_countDownLatchProto(_context),
_cursorProto(_context),
_cursorHandleProto(_context),
_dbCollectionProto(_context),
_dbPointerProto(_context),
_dbQueryProto(_context),
_dbProto(_context),
_dbRefProto(_context),
_errorProto(_context),
_jsThreadProto(_context),
_maxKeyProto(_context),
_minKeyProto(_context),
_mongoExternalProto(_context),
_mongoHelpersProto(_context),
_mongoLocalProto(_context),
_nativeFunctionProto(_context),
_numberIntProto(_context),
_numberLongProto(_context),
_numberDecimalProto(_context),
_objectProto(_context),
_oidProto(_context),
_regExpProto(_context),
_timestampProto(_context) {
kCurrentScope = this;
// The default is quite low and doesn't seem to directly correlate with
// malloc'd bytes. Set it to MAX_INT here and catching things in the
// jscustomallocator.cpp
JS_SetGCParameter(_runtime, JSGC_MAX_BYTES, 0xffffffff);
JS_SetInterruptCallback(_runtime, _interruptCallback);
JS_SetGCCallback(_runtime, _gcCallback, this);
JS_SetContextPrivate(_context, this);
JSAutoRequest ar(_context);
JS_SetErrorReporter(_runtime, _reportError);
JSAutoCompartment ac(_context, _global);
_checkErrorState(JS_InitStandardClasses(_context, _global));
installBSONTypes();
JS_FireOnNewGlobalObject(_context, _global);
execSetup(JSFiles::assert);
execSetup(JSFiles::types);
// install process-specific utilities in the global scope (dependancy: types.js, assert.js)
if (_engine->getScopeInitCallback())
_engine->getScopeInitCallback()(*this);
// install global utility functions
installGlobalUtils(*this);
_mongoHelpersProto.install(_global);
}
static GObject*
gjs_context_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_params)
{
GObject *object;
GjsContext *js_context;
guint32 options_flags;
JSVersion js_version;
object = (* G_OBJECT_CLASS (gjs_context_parent_class)->constructor) (type,
n_construct_properties,
construct_params);
js_context = GJS_CONTEXT(object);
if (js_context->runtime == NULL) {
js_context->runtime = JS_NewRuntime(32*1024*1024 /* max bytes */);
if (js_context->runtime == NULL)
gjs_fatal("Failed to create javascript runtime");
JS_SetGCParameter(js_context->runtime, JSGC_MAX_BYTES, 0xffffffff);
js_context->we_own_runtime = TRUE;
gjs_runtime_init(js_context->runtime);
}
js_context->context = JS_NewContext(js_context->runtime, 8192 /* stack chunk size */);
if (js_context->context == NULL)
gjs_fatal("Failed to create javascript context");
JS_BeginRequest(js_context->context);
/* same as firefox, see discussion at
* https://bugzilla.mozilla.org/show_bug.cgi?id=420869 */
JS_SetScriptStackQuota(js_context->context, 100*1024*1024);
/* JSOPTION_DONT_REPORT_UNCAUGHT: Don't send exceptions to our
* error report handler; instead leave them set. This allows us
* to get at the exception object.
*
* JSOPTION_STRICT: Report warnings to error reporter function.
*/
options_flags = JSOPTION_DONT_REPORT_UNCAUGHT | JSOPTION_STRICT;
if (!g_getenv("GJS_DISABLE_JIT")) {
gjs_debug(GJS_DEBUG_CONTEXT, "Enabling JIT");
options_flags |= JSOPTION_METHODJIT;
}
JS_SetOptions(js_context->context,
JS_GetOptions(js_context->context) | options_flags);
JS_SetLocaleCallbacks(js_context->context, &gjs_locale_callbacks);
JS_SetErrorReporter(js_context->context, gjs_error_reporter);
/* set ourselves as the private data */
JS_SetContextPrivate(js_context->context, js_context);
js_version = JS_StringToVersion(js_context->jsversion_string);
/* It doesn't make sense to throw here; just use the default if we
* don't know.
*/
if (js_version == JSVERSION_UNKNOWN)
js_version = JSVERSION_DEFAULT;
/* Set the version if we need to. */
if (js_version != JSVERSION_DEFAULT && JS_GetVersion(js_context->context) != js_version) {
gjs_debug(GJS_DEBUG_CONTEXT,
"Changing JavaScript version to %s from %s",
JS_VersionToString(js_version),
JS_VersionToString(JS_GetVersion(js_context->context)));
JS_SetVersion(js_context->context, js_version);
}
if (!gjs_init_context_standard(js_context->context))
gjs_fatal("Failed to initialize context");
js_context->global = JS_GetGlobalObject(js_context->context);
if (!JS_DefineProperty(js_context->context, js_context->global,
"window", OBJECT_TO_JSVAL(js_context->global),
NULL, NULL,
JSPROP_READONLY | JSPROP_PERMANENT))
gjs_fatal("No memory to export global object as 'window'");
/* Define a global function called log() */
if (!JS_DefineFunction(js_context->context, js_context->global,
"log",
(JSNative)gjs_log,
1, GJS_MODULE_PROP_FLAGS))
gjs_fatal("Failed to define log function");
if (!JS_DefineFunction(js_context->context, js_context->global,
"logError",
(JSNative)gjs_log_error,
2, GJS_MODULE_PROP_FLAGS))
gjs_fatal("Failed to define logError function");
/* Define global functions called print() and printerr() */
if (!JS_DefineFunction(js_context->context, js_context->global,
"print",
(JSNative)gjs_print,
3, GJS_MODULE_PROP_FLAGS))
gjs_fatal("Failed to define print function");
if (!JS_DefineFunction(js_context->context, js_context->global,
"printerr",
(JSNative)gjs_printerr,
4, GJS_MODULE_PROP_FLAGS))
gjs_fatal("Failed to define printerr function");
/* We need to know what the default context is, since it's the context whose
* global object is used to load imported JS modules. We currently say that
* it's the context of the runtime's owner, but if we needed to support
* externally created runtimes, we could define it in some other fashion.
*/
if (js_context->we_own_runtime) {
gjs_runtime_set_default_context(js_context->runtime, js_context->context);
} else {
if (gjs_runtime_get_default_context(js_context->runtime) == NULL)
gjs_fatal("GjsContext created for a runtime not owned by GJS");
}
/* We create the global-to-runtime root importer with the
* passed-in search path. If someone else already created
* the root importer, this is a no-op.
*/
if (!gjs_create_root_importer(js_context->context,
js_context->search_path ?
(const char**) js_context->search_path :
NULL,
TRUE))
gjs_fatal("Failed to create root importer");
/* Now copy the global root importer (which we just created,
* if it didn't exist) to our global object
*/
if (!gjs_define_root_importer(js_context->context,
js_context->global,
"imports"))
gjs_fatal("Failed to point 'imports' property at root importer");
if (js_context->we_own_runtime) {
js_context->profiler = gjs_profiler_new(js_context->runtime);
}
if (!gjs_is_registered_native_module(js_context->context, NULL, "gi"))
gjs_register_native_module("gi", gjs_define_gi_stuff, GJS_NATIVE_SUPPLIES_MODULE_OBJ);
/* For GjsDBus */
{
char *priv_typelib_dir = g_build_filename (PKGLIBDIR, "girepository-1.0", NULL);
g_irepository_prepend_search_path(priv_typelib_dir);
g_free (priv_typelib_dir);
}
if (js_context->gc_notifications_enabled)
JS_SetGCCallback(js_context->context, gjs_on_context_gc);
JS_EndRequest(js_context->context);
g_static_mutex_lock (&contexts_lock);
all_contexts = g_list_prepend(all_contexts, object);
g_static_mutex_unlock (&contexts_lock);
return object;
}
