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Implement async function execution. (#3897)

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-06-17 12:08:01 +02:00
committed by GitHub
parent eb8e81d682
commit 8719f72e61
18 changed files with 663 additions and 173 deletions
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jerry-core/ecma/operations/ecma-jobqueue.c
+83 -2
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@@ -20,6 +20,7 @@
#include "ecma-objects.h"
#include "ecma-promise-object.h"
#include "jcontext.h"
#include "opcodes.h"
#if ENABLED (JERRY_BUILTIN_PROMISE)
@@ -46,6 +47,16 @@ typedef struct
ecma_value_t argument; /**< argument for the reaction */
} ecma_job_promise_reaction_t;
/**
* Description of the PromiseAsyncReactionJob
*/
typedef struct
{
ecma_job_queue_item_t header; /**< job queue item header */
ecma_value_t executable_object; /**< executable object */
ecma_value_t argument; /**< argument for the reaction */
} ecma_job_promise_async_reaction_t;
/**
* Description of the PromiseResolveThenableJob
*/
@@ -103,6 +114,21 @@ ecma_free_promise_reaction_job (ecma_job_promise_reaction_t *job_p) /**< points
jmem_heap_free_block (job_p, sizeof (ecma_job_promise_reaction_t));
} /* ecma_free_promise_reaction_job */
/**
* Free the heap and the member of the PromiseAsyncReactionJob.
*/
static void
ecma_free_promise_async_reaction_job (ecma_job_promise_async_reaction_t *job_p) /**< points to the
* PromiseAsyncReactionJob */
{
JERRY_ASSERT (job_p != NULL);
ecma_free_value (job_p->executable_object);
ecma_free_value (job_p->argument);
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 PromiseResolveThenableJob.
*/
@@ -196,6 +222,31 @@ ecma_process_promise_reaction_job (ecma_job_promise_reaction_t *job_p) /**< the
return status;
} /* ecma_process_promise_reaction_job */
/**
* The processor for PromiseAsyncReactionJob.
*
* @return ecma value
* Returned value must be freed with ecma_free_value
*/
static ecma_value_t
ecma_process_promise_async_reaction_job (ecma_job_promise_async_reaction_t *job_p) /**< the job to be operated */
{
ecma_object_t *object_p = ecma_get_object_from_value (job_p->executable_object);
vm_executable_object_t *executable_object_p = (vm_executable_object_t *) object_p;
if (ecma_job_queue_get_type (&job_p->header) == ECMA_JOB_PROMISE_ASYNC_REACTION_REJECTED)
{
executable_object_p->frame_ctx.byte_code_p = opfunc_resume_executable_object_with_throw;
}
ecma_value_t result = opfunc_resume_executable_object (executable_object_p, job_p->argument);
/* Argument reference is taken by opfunc_resume_executable_object. */
job_p->argument = ECMA_VALUE_UNDEFINED;
ecma_free_promise_async_reaction_job (job_p);
return result;
} /* ecma_process_promise_async_reaction_job */
/**
* Process the PromiseResolveThenableJob.
*
@@ -273,7 +324,7 @@ ecma_enqueue_job (ecma_job_queue_item_t *job_p) /**< the job */
} /* ecma_enqueue_job */
/**
* Enqueue a PromiseReactionJob into the jobqueue.
* Enqueue a PromiseReactionJob into the job queue.
*/
void
ecma_enqueue_promise_reaction_job (ecma_value_t capability, /**< capability object */
@@ -291,7 +342,25 @@ ecma_enqueue_promise_reaction_job (ecma_value_t capability, /**< capability obje
} /* ecma_enqueue_promise_reaction_job */
/**
* Enqueue a PromiseResolveThenableJob into the jobqueue.
* Enqueue a PromiseAsyncReactionJob into the job queue.
*/
void
ecma_enqueue_promise_async_reaction_job (ecma_value_t executable_object, /**< executable object */
ecma_value_t argument, /**< argument */
bool is_rejected) /**< is_fulfilled */
{
ecma_job_promise_async_reaction_t *job_p;
job_p = (ecma_job_promise_async_reaction_t *) jmem_heap_alloc_block (sizeof (ecma_job_promise_async_reaction_t));
job_p->header.next_and_type = (is_rejected ? ECMA_JOB_PROMISE_ASYNC_REACTION_REJECTED
: ECMA_JOB_PROMISE_ASYNC_REACTION_FULFILLED);
job_p->executable_object = ecma_copy_value (executable_object);
job_p->argument = ecma_copy_value (argument);
ecma_enqueue_job (&job_p->header);
} /* ecma_enqueue_promise_async_reaction_job */
/**
* Enqueue a PromiseResolveThenableJob into the job queue.
*/
void
ecma_enqueue_promise_resolve_thenable_job (ecma_value_t promise, /**< promise to be resolved */
@@ -338,6 +407,12 @@ ecma_process_all_enqueued_jobs (void)
ret = ecma_process_promise_reaction_job ((ecma_job_promise_reaction_t *) job_p);
break;
}
case ECMA_JOB_PROMISE_ASYNC_REACTION_FULFILLED:
case ECMA_JOB_PROMISE_ASYNC_REACTION_REJECTED:
{
ret = ecma_process_promise_async_reaction_job ((ecma_job_promise_async_reaction_t *) job_p);
break;
}
default:
{
JERRY_ASSERT (ecma_job_queue_get_type (job_p) == ECMA_JOB_PROMISE_THENABLE);
@@ -369,6 +444,12 @@ ecma_free_all_enqueued_jobs (void)
ecma_free_promise_reaction_job ((ecma_job_promise_reaction_t *) job_p);
break;
}
case ECMA_JOB_PROMISE_ASYNC_REACTION_FULFILLED:
case ECMA_JOB_PROMISE_ASYNC_REACTION_REJECTED:
{
ecma_free_promise_async_reaction_job ((ecma_job_promise_async_reaction_t *) job_p);
break;
}
default:
{
JERRY_ASSERT (ecma_job_queue_get_type (job_p) == ECMA_JOB_PROMISE_THENABLE);