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Implement Promise.prototype.onFinally (#3987)

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The algorith is based on ECMA-262 v11, 25.6.5.3

JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu
This commit is contained in:
Szilagyi Adam
2020-07-24 12:54:16 +02:00
committed by GitHub
parent 539928dbdb
commit 54bfd2ba37
9 changed files with 489 additions and 0 deletions
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jerry-core/ecma/operations/ecma-function-object.c
+20
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@@ -19,6 +19,7 @@
#include "ecma-function-object.h"
#include "ecma-gc.h"
#include "ecma-helpers.h"
#include "ecma-promise-object.h"
#include "lit-char-helpers.h"
#include "ecma-lex-env.h"
#include "ecma-objects.h"
@@ -1616,6 +1617,25 @@ ecma_op_external_function_try_to_lazy_instantiate_property (ecma_object_t *objec
return ecma_op_lazy_instantiate_prototype_object (object_p);
}
#if ENABLED (JERRY_ESNEXT)
if (ecma_compare_ecma_string_to_magic_id (property_name_p, LIT_MAGIC_STRING_LENGTH))
{
ecma_extended_object_t *ext_obj_p = (ecma_extended_object_t *) object_p;
if (ext_obj_p->u.external_handler_cb == ecma_promise_then_finally_cb
|| ext_obj_p->u.external_handler_cb == ecma_promise_catch_finally_cb)
{
ecma_property_t *value_prop_p;
ecma_property_value_t *value_p = ecma_create_named_data_property (object_p,
property_name_p,
ECMA_PROPERTY_FLAG_CONFIGURABLE,
&value_prop_p);
value_p->value = ecma_make_uint32_value (1);
return value_prop_p;
}
}
#endif /* ENABLED (JERRY_ESNEXT) */
return NULL;
} /* ecma_op_external_function_try_to_lazy_instantiate_property */