Mark generator as running during yield* (#5014)

Fixes #5013

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2022-08-08 17:36:59 +02:00
committed by GitHub
parent 3360e352bf
commit 368641043f
3 changed files with 41 additions and 1 deletions
+3 -1
View File
@@ -677,7 +677,9 @@ ecma_gc_mark_executable_object (ecma_object_t *object_p) /**< object */
ecma_gc_set_object_visited (executable_object_p->frame_ctx.lex_env_p);
ecma_gc_set_object_visited (executable_object_p->shared.function_object_p);
if (!ECMA_EXECUTABLE_OBJECT_IS_SUSPENDED (executable_object_p))
if (!ECMA_EXECUTABLE_OBJECT_IS_SUSPENDED (executable_object_p)
&& !(executable_object_p->extended_object.u.cls.u2.executable_obj_flags
& ECMA_EXECUTABLE_OBJECT_DO_AWAIT_OR_YIELD))
{
/* All objects referenced by running executable objects are strong roots,
* and a finished executable object cannot refer to other values. */
@@ -91,12 +91,20 @@ ecma_builtin_generator_prototype_object_do (vm_executable_object_t *generator_ob
{
if (generator_object_p->extended_object.u.cls.u2.executable_obj_flags & ECMA_EXECUTABLE_OBJECT_DO_AWAIT_OR_YIELD)
{
if (generator_object_p->extended_object.u.cls.u2.executable_obj_flags & ECMA_EXECUTABLE_OBJECT_RUNNING)
{
return ecma_raise_type_error (ECMA_ERR_GENERATOR_IS_CURRENTLY_UNDER_EXECUTION);
}
ecma_value_t iterator = generator_object_p->iterator;
ecma_value_t next_method = generator_object_p->frame_ctx.stack_top_p[-1];
bool done = false;
generator_object_p->extended_object.u.cls.u2.executable_obj_flags |= ECMA_EXECUTABLE_OBJECT_RUNNING;
ecma_value_t result = ecma_op_iterator_do (resume_mode, iterator, next_method, arg, &done);
ecma_free_value (arg);
generator_object_p->extended_object.u.cls.u2.executable_obj_flags &= (uint8_t) ~ECMA_EXECUTABLE_OBJECT_RUNNING;
if (ECMA_IS_VALUE_ERROR (result))
{