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Implement direct strings. (#2196)

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Direct strings are a new type of direct ecma-values (no memory allocation
is needed for encoding them) in JerryScript. Currently magic strings,
external magic strings and uint values are encoded as direct strings.

The constant pool of JerryScript byte-code is changed to hold ecma-values
rather than cpointers to support direct strings.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2018-02-23 00:21:46 +01:00
committed by yichoi
parent fbf5c32747
commit 51e3c4455a
37 changed files with 1493 additions and 1148 deletions
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jerry-core/api/jerry.c
+7 -6
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@@ -1846,11 +1846,12 @@ jerry_delete_property_by_index (const jerry_value_t obj_val, /**< object value *
return false;
}
ecma_string_t str_idx;
ecma_init_ecma_string_from_uint32 (&str_idx, index);
ecma_string_t *str_idx_p = ecma_new_ecma_string_from_uint32 (index);
ecma_value_t ret_value = ecma_op_object_delete (ecma_get_object_from_value (obj_value),
&str_idx,
str_idx_p,
false);
ecma_deref_ecma_string (str_idx_p);
return ecma_is_value_true (ret_value);
} /* jerry_delete_property_by_index */
@@ -1905,9 +1906,9 @@ jerry_get_property_by_index (const jerry_value_t obj_val, /**< object value */
return jerry_throw (ecma_raise_type_error (ECMA_ERR_MSG (wrong_args_msg_p)));
}
ecma_string_t str_idx;
ecma_init_ecma_string_from_uint32 (&str_idx, index);
ecma_value_t ret_value = ecma_op_object_get (ecma_get_object_from_value (obj_value), &str_idx);
ecma_string_t *str_idx_p = ecma_new_ecma_string_from_uint32 (index);
ecma_value_t ret_value = ecma_op_object_get (ecma_get_object_from_value (obj_value), str_idx_p);
ecma_deref_ecma_string (str_idx_p);
return jerry_return (ret_value);
} /* jerry_get_property_by_index */