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Revise the API ArrayBuffer related operations (#4284)

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- External ArrayBuffer construction with 0 length should be equivalent to `new ArrayBuffer(0)`
- Internally allocated ArrayBuffers should be detachable
- Externally allocated ArrayBuffers free callback should be called when underlying buffer is detached

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2020-10-09 15:12:45 +02:00
committed by GitHub
parent 5b9a6deb93
commit e3481d431b
7 changed files with 93 additions and 59 deletions
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jerry-core/ecma/base/ecma-gc.c
+1 -2
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@@ -1384,11 +1384,10 @@ ecma_gc_free_object (ecma_object_t *object_p) /**< object to free */
/* Call external free callback if any. */
ecma_arraybuffer_external_info *array_p = (ecma_arraybuffer_external_info *) ext_object_p;
JERRY_ASSERT (array_p != NULL);
if (array_p->free_cb != NULL)
{
(array_p->free_cb) (array_p->buffer_p);
array_p->free_cb (array_p->buffer_p);
}
}
else