YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implement async generators (#3916)

Browse Source 
JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-06-22 13:54:18 +02:00
committed by GitHub
parent 0f0041d720
commit b2a6109430
32 changed files with 1247 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/ecma/operations/ecma-jobqueue.c
+71 -2
View File
@@ -13,6 +13,7 @@
* limitations under the License.
*/
#include "ecma-async-generator-object.h"
#include "ecma-function-object.h"
#include "ecma-globals.h"
#include "ecma-helpers.h"
@@ -57,6 +58,15 @@ typedef struct
ecma_value_t argument; /**< argument for the reaction */
} ecma_job_promise_async_reaction_t;
/**
* Description of the PromiseAsyncGeneratorJob
*/
typedef struct
{
ecma_job_queue_item_t header; /**< job queue item header */
ecma_value_t executable_object; /**< executable object */
} ecma_job_promise_async_generator_t;
/**
* Description of the PromiseResolveThenableJob
*/
@@ -129,6 +139,20 @@ ecma_free_promise_async_reaction_job (ecma_job_promise_async_reaction_t *job_p)
jmem_heap_free_block (job_p, sizeof (ecma_job_promise_async_reaction_t));
} /* ecma_free_promise_async_reaction_job */
/**
* Free the heap and the member of the PromiseAsyncGeneratorJob.
*/
static void
ecma_free_promise_async_generator_job (ecma_job_promise_async_generator_t *job_p) /**< points to the
* PromiseAsyncReactionJob */
{
JERRY_ASSERT (job_p != NULL);
ecma_free_value (job_p->executable_object);
jmem_heap_free_block (job_p, sizeof (ecma_job_promise_async_generator_t));
} /* ecma_free_promise_async_generator_job */
/**
* Free the heap and the member of the PromiseResolveThenableJob.
*/
@@ -240,13 +264,34 @@ ecma_process_promise_async_reaction_job (ecma_job_promise_async_reaction_t *job_
}
ecma_value_t result = opfunc_resume_executable_object (executable_object_p, job_p->argument);
/* Argument reference is taken by opfunc_resume_executable_object. */
/* Argument reference has been taken by opfunc_resume_executable_object. */
job_p->argument = ECMA_VALUE_UNDEFINED;
ecma_free_promise_async_reaction_job (job_p);
uint16_t expected_bits = (ECMA_EXECUTABLE_OBJECT_COMPLETED | ECMA_ASYNC_GENERATOR_CALLED);
if ((executable_object_p->extended_object.u.class_prop.extra_info & expected_bits) == expected_bits)
{
ecma_async_generator_finalize (executable_object_p, result);
result = ECMA_VALUE_UNDEFINED;
}
ecma_free_promise_async_reaction_job (job_p);
return result;
} /* ecma_process_promise_async_reaction_job */
/**
* The processor for PromiseAsyncGeneratorJob.
*/
static void
ecma_process_promise_async_generator_job (ecma_job_promise_async_generator_t *job_p) /**< the job to be operated */
{
ecma_object_t *object_p = ecma_get_object_from_value (job_p->executable_object);
ecma_async_generator_run ((vm_executable_object_t *) object_p);
ecma_free_value (job_p->executable_object);
jmem_heap_free_block (job_p, sizeof (ecma_job_promise_async_generator_t));
} /* ecma_process_promise_async_generator_job */
/**
* Process the PromiseResolveThenableJob.
*
@@ -359,6 +404,20 @@ ecma_enqueue_promise_async_reaction_job (ecma_value_t executable_object, /**< ex
ecma_enqueue_job (&job_p->header);
} /* ecma_enqueue_promise_async_reaction_job */
/**
* Enqueue a PromiseAsyncGeneratorJob into the job queue.
*/
void
ecma_enqueue_promise_async_generator_job (ecma_value_t executable_object) /**< executable object */
{
ecma_job_promise_async_generator_t *job_p;
job_p = (ecma_job_promise_async_generator_t *) jmem_heap_alloc_block (sizeof (ecma_job_promise_async_generator_t));
job_p->header.next_and_type = ECMA_JOB_PROMISE_ASYNC_GENERATOR;
job_p->executable_object = ecma_copy_value (executable_object);
ecma_enqueue_job (&job_p->header);
} /* ecma_enqueue_promise_async_generator_job */
/**
* Enqueue a PromiseResolveThenableJob into the job queue.
*/
@@ -413,6 +472,11 @@ ecma_process_all_enqueued_jobs (void)
ret = ecma_process_promise_async_reaction_job ((ecma_job_promise_async_reaction_t *) job_p);
break;
}
case ECMA_JOB_PROMISE_ASYNC_GENERATOR:
{
ecma_process_promise_async_generator_job ((ecma_job_promise_async_generator_t *) job_p);
break;
}
default:
{
JERRY_ASSERT (ecma_job_queue_get_type (job_p) == ECMA_JOB_PROMISE_THENABLE);
@@ -450,6 +514,11 @@ ecma_free_all_enqueued_jobs (void)
ecma_free_promise_async_reaction_job ((ecma_job_promise_async_reaction_t *) job_p);
break;
}
case ECMA_JOB_PROMISE_ASYNC_GENERATOR:
{
ecma_free_promise_async_generator_job ((ecma_job_promise_async_generator_t *) job_p);
break;
}
default:
{
JERRY_ASSERT (ecma_job_queue_get_type (job_p) == ECMA_JOB_PROMISE_THENABLE);