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Implement Object.prototype.__proto__ accessor property (#3546)

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We are using the already existing Object.getPrototypeOf and
Object.setProtoypeOf methods

JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu
This commit is contained in:
Szilagyi Adam
2020-03-27 14:46:51 +01:00
committed by GitHub
parent 94b8b4bb7b
commit 4240b740aa
13 changed files with 205 additions and 7 deletions
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jerry-core/vm/vm.c
+17
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@@ -18,6 +18,7 @@
#include "ecma-alloc.h"
#include "ecma-array-object.h"
#include "ecma-builtins.h"
#include "ecma-builtin-object.h"
#include "ecma-comparison.h"
#include "ecma-conversion.h"
#include "ecma-exceptions.h"
@@ -91,6 +92,15 @@ vm_op_get_value (ecma_value_t object, /**< base object */
else if (ecma_is_value_string (property))
{
property_name_p = ecma_get_string_from_value (property);
#if ENABLED (JERRY_ES2015)
if (JERRY_UNLIKELY (ecma_compare_ecma_string_to_magic_id (property_name_p, LIT_MAGIC_STRING__PROTO__)))
{
ecma_object_t *obj_p = ecma_get_object_from_value (object);
return ecma_builtin_object_object_get_prototype_of (obj_p);
}
#endif /* ENABLED (JERRY_ES2015) */
}
#if ENABLED (JERRY_ES2015)
@@ -1586,6 +1596,13 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
}
const int index = (int) (opcode_data >> VM_OC_NON_STATIC_SHIFT) - 2;
if (JERRY_UNLIKELY (ecma_compare_ecma_string_to_magic_id (prop_name_p, LIT_MAGIC_STRING__PROTO__)))
{
result = ecma_builtin_object_object_set_proto (stack_top_p[index], left_value);
ecma_deref_ecma_string (prop_name_p);
goto free_both_values;
}
#else /* !ENABLED (JERRY_ES2015) */
const int index = -1;
#endif /* ENABLED (JERRY_ES2015) */