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Implement unary operators: bitwise not, pre/post increment/decrement (#4116)

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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
2020-08-10 22:38:34 +02:00
committed by GitHub
parent 43a82cddb9
commit 39fe04814e
11 changed files with 519 additions and 110 deletions
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jerry-core/vm/opcodes-ecma-bitwise.c
+39 -7
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@@ -97,17 +97,14 @@ do_number_bitwise_logic (number_bitwise_logic_op op, /**< number bitwise logic o
result = (ecma_number_t) (ecma_number_to_int32 (left_number) >> (right_uint32 & 0x1F));
break;
}
case NUMBER_BITWISE_SHIFT_URIGHT:
default:
{
JERRY_ASSERT (op == NUMBER_BITWISE_SHIFT_URIGHT);
uint32_t left_uint32 = ecma_number_to_uint32 (left_number);
result = (ecma_number_t) (left_uint32 >> (right_uint32 & 0x1F));
break;
}
case NUMBER_BITWISE_NOT:
{
result = (ecma_number_t) ((int32_t) ~right_uint32);
break;
}
}
ret_value = ecma_make_number_value (result);
@@ -155,7 +152,9 @@ do_number_bitwise_logic (number_bitwise_logic_op op, /**< number bitwise logic o
}
default:
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Not supported BigInt operation"));
JERRY_ASSERT (op == NUMBER_BITWISE_SHIFT_URIGHT);
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Unsigned right shift is not allowed for BigInts"));
break;
}
}
@@ -171,6 +170,39 @@ do_number_bitwise_logic (number_bitwise_logic_op op, /**< number bitwise logic o
return ret_value;
} /* do_number_bitwise_logic */
/**
* Perform ECMA number bitwise not operation.
*
* @return ecma value
* Returned value must be freed with ecma_free_value
*/
ecma_value_t
do_number_bitwise_not (ecma_value_t value) /**< value */
{
JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (value));
ecma_number_t number;
value = ecma_op_to_numeric (value, &number, ECMA_TO_NUMERIC_ALLOW_BIGINT);
if (ECMA_IS_VALUE_ERROR (value))
{
return value;
}
#if ENABLED (JERRY_BUILTIN_BIGINT)
if (JERRY_LIKELY (!ecma_is_value_bigint (value)))
{
#endif /* ENABLED (JERRY_BUILTIN_BIGINT) */
return ecma_make_number_value ((ecma_number_t) ((int32_t) ~ecma_number_to_uint32 (number)));
#if ENABLED (JERRY_BUILTIN_BIGINT)
}
ecma_value_t ret_value = ecma_bigint_unary (value, ECMA_BIGINT_UNARY_BITWISE_NOT);
ecma_free_value (value);
return ret_value;
#endif /* ENABLED (JERRY_BUILTIN_BIGINT) */
} /* do_number_bitwise_not */
/**
* @}
* @}