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Implement the Symbol builtin object (#2601)

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This patch contains the base functionalities that the new builtin object requires.

Currently unavailable:
 - print (Symbol('foo')) - this features requires the refactor of the print handler function
 - Several global symbol based builtin routines (follow up patch)

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-01-16 10:09:23 +01:00
committed by Robert Sipka
parent 08c7183ef8
commit 7e3d688e5b
43 changed files with 1896 additions and 212 deletions
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jerry-core/ecma/builtin-objects/ecma-builtin-object.c
+68 -41
View File
@@ -296,12 +296,41 @@ ecma_builtin_object_object_get_own_property_names (ecma_value_t this_arg, /**< '
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
/* 2-5. */
ret_value = ecma_builtin_helper_object_get_properties (obj_p, false);
ret_value = ecma_builtin_helper_object_get_properties (obj_p, ECMA_LIST_NO_OPTS);
}
return ret_value;
} /* ecma_builtin_object_object_get_own_property_names */
#ifndef CONFIG_DISABLE_ES2015_SYMBOL_BUILTIN
/**
* The Object object's 'getOwnPropertySymbols' routine
*
* See also:
* ECMA-262 v6, 19.1.2.7
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_get_own_property_symbols (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
JERRY_UNUSED (this_arg);
if (!ecma_is_value_object (arg))
{
/* 1. */
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
/* 2 - 5. */
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
return ecma_builtin_helper_object_get_properties (obj_p, ECMA_LIST_SYMBOLS);
} /* ecma_builtin_object_object_get_own_property_symbols */
#endif /* !CONFIG_DISABLE_ES2015_SYMBOL_BUILTIN */
/**
* The Object object's 'seal' routine
*
@@ -643,7 +672,7 @@ ecma_builtin_object_object_keys (ecma_value_t this_arg, /**< 'this' argument */
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
/* 3-6. */
ret_value = ecma_builtin_helper_object_get_properties (obj_p, true);
ret_value = ecma_builtin_helper_object_get_properties (obj_p, ECMA_LIST_ENUMERABLE);
}
return ret_value;
@@ -669,19 +698,18 @@ ecma_builtin_object_object_get_own_property_descriptor (ecma_value_t this_arg, /
/* 1. */
if (!ecma_is_value_object (arg1))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
return ret_value;
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
ecma_string_t *name_str_p = ecma_op_to_prop_name (arg2);
if (JERRY_UNLIKELY (name_str_p == NULL))
{
return ECMA_VALUE_ERROR;
}
ecma_object_t *obj_p = ecma_get_object_from_value (arg1);
/* 2. */
ECMA_TRY_CATCH (name_str_value,
ecma_op_to_string (arg2),
ret_value);
ecma_string_t *name_str_p = ecma_get_string_from_value (name_str_value);
/* 3. */
ecma_property_descriptor_t prop_desc;
@@ -699,7 +727,7 @@ ecma_builtin_object_object_get_own_property_descriptor (ecma_value_t this_arg, /
ret_value = ECMA_VALUE_UNDEFINED;
}
ECMA_FINALIZE (name_str_value);
ecma_deref_ecma_string (name_str_p);
return ret_value;
} /* ecma_builtin_object_object_get_own_property_descriptor */
@@ -886,39 +914,38 @@ ecma_builtin_object_object_define_property (ecma_value_t this_arg, /**< 'this' a
if (!ecma_is_value_object (arg1))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
else
ecma_string_t *name_str_p = ecma_op_to_prop_name (arg2);
if (JERRY_UNLIKELY (name_str_p == NULL))
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg1);
ECMA_TRY_CATCH (name_str_value,
ecma_op_to_string (arg2),
ret_value);
ecma_string_t *name_str_p = ecma_get_string_from_value (name_str_value);
ecma_property_descriptor_t prop_desc;
ECMA_TRY_CATCH (conv_result,
ecma_op_to_property_descriptor (arg3, &prop_desc),
ret_value);
ECMA_TRY_CATCH (define_own_prop_ret,
ecma_op_object_define_own_property (obj_p,
name_str_p,
&prop_desc,
true),
ret_value);
ret_value = ecma_copy_value (arg1);
ECMA_FINALIZE (define_own_prop_ret);
ecma_free_property_descriptor (&prop_desc);
ECMA_FINALIZE (conv_result);
ECMA_FINALIZE (name_str_value);
return ECMA_VALUE_ERROR;
}
ecma_object_t *obj_p = ecma_get_object_from_value (arg1);
ecma_property_descriptor_t prop_desc;
ECMA_TRY_CATCH (conv_result,
ecma_op_to_property_descriptor (arg3, &prop_desc),
ret_value);
ECMA_TRY_CATCH (define_own_prop_ret,
ecma_op_object_define_own_property (obj_p,
name_str_p,
&prop_desc,
true),
ret_value);
ret_value = ecma_copy_value (arg1);
ECMA_FINALIZE (define_own_prop_ret);
ecma_free_property_descriptor (&prop_desc);
ECMA_FINALIZE (conv_result);
ecma_deref_ecma_string (name_str_p);
return ret_value;
} /* ecma_builtin_object_object_define_property */