/** * GetBindingValue operation. * * See also: ECMA-262 v5, 10.2.1 * * @return ecma value * Returned value must be freed with ecma_free_value. */ ecma_value_t ecma_op_get_binding_value (ecma_object_t *lex_env_p, /**< lexical environment */ ecma_string_t *name_p, /**< argument N */ bool is_strict) /**< argument S */ { JERRY_ASSERT (lex_env_p != NULL && ecma_is_lexical_environment (lex_env_p)); JERRY_ASSERT (name_p != NULL); if (ecma_get_lex_env_type (lex_env_p) == ECMA_LEXICAL_ENVIRONMENT_DECLARATIVE) { ecma_property_t *property_p = ecma_get_named_data_property (lex_env_p, name_p); ecma_value_t prop_value = ecma_get_named_data_property_value (property_p); /* is the binding mutable? */ if (!ecma_is_property_writable (property_p) && ecma_is_value_empty (prop_value)) { /* unitialized immutable binding */ if (is_strict) { return ecma_raise_reference_error (""); } else { return ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED); } } return ecma_copy_value (prop_value, true); } else { JERRY_ASSERT (ecma_get_lex_env_type (lex_env_p) == ECMA_LEXICAL_ENVIRONMENT_OBJECTBOUND); ecma_object_t *binding_obj_p = ecma_get_lex_env_binding_object (lex_env_p); if (ecma_op_object_get_property (binding_obj_p, name_p) == NULL) { if (is_strict) { return ecma_raise_reference_error (""); } else { return ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED); } } return ecma_op_object_get (binding_obj_p, name_p); } } /* ecma_op_get_binding_value */
/** * Process the PromiseResolveThenableJob. * * See also: ES2015 25.4.2.2 * * @return ecma value * Returned value must be freed with ecma_free_value */ static ecma_value_t ecma_process_promise_resolve_thenable_job (void *obj_p) /**< the job to be operated */ { ecma_job_promise_resolve_thenable_t *job_p = (ecma_job_promise_resolve_thenable_t *) obj_p; ecma_object_t *promise_p = ecma_get_object_from_value (job_p->promise); ecma_string_t str_resolve, str_reject; ecma_init_ecma_magic_string (&str_resolve, LIT_INTERNAL_MAGIC_STRING_RESOLVE_FUNCTION); ecma_init_ecma_magic_string (&str_reject, LIT_INTERNAL_MAGIC_STRING_REJECT_FUNCTION); ecma_value_t resolve = ecma_op_object_get (promise_p, &str_resolve); ecma_value_t reject = ecma_op_object_get (promise_p, &str_reject); ecma_value_t argv[] = { resolve, reject }; ecma_value_t ret; ecma_value_t then_call_result = ecma_op_function_call (ecma_get_object_from_value (job_p->then), job_p->thenable, argv, 2); ret = then_call_result; if (ECMA_IS_VALUE_ERROR (then_call_result)) { ret = ecma_op_function_call (ecma_get_object_from_value (reject), ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED), &then_call_result, 1); ecma_free_value (then_call_result); } ecma_free_value (resolve); ecma_free_value (reject); ecma_free_promise_resolve_thenable_job (job_p); return ret; } /* ecma_process_promise_resolve_thenable_job */
/** * The Object.prototype object's 'toLocaleString' routine * * See also: * ECMA-262 v5, 15.2.4.3 * * @return completion value * Returned value must be freed with ecma_free_completion_value. */ static ecma_completion_value_t ecma_builtin_object_prototype_object_to_locale_string (ecma_value_t this_arg) /**< this argument */ { ecma_completion_value_t return_value = ecma_make_empty_completion_value (); /* 1. */ ECMA_TRY_CATCH (obj_val, ecma_op_to_object (this_arg), return_value); ecma_object_t *obj_p = ecma_get_object_from_value (obj_val); ecma_string_t *to_string_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_TO_STRING_UL); /* 2. */ ECMA_TRY_CATCH (to_string_val, ecma_op_object_get (obj_p, to_string_magic_string_p), return_value); /* 3. */ if (!ecma_op_is_callable (to_string_val)) { return_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE)); } else { /* 4. */ ecma_object_t *to_string_func_obj_p = ecma_get_object_from_value (to_string_val); return_value = ecma_op_function_call (to_string_func_obj_p, this_arg, NULL); } ECMA_FINALIZE (to_string_val); ecma_deref_ecma_string (to_string_magic_string_p); ECMA_FINALIZE (obj_val); return return_value; } /* ecma_builtin_object_prototype_object_to_locale_string */
/** * The Object.prototype object's 'toLocaleString' routine * * See also: * ECMA-262 v5, 15.2.4.3 * * @return ecma value * Returned value must be freed with ecma_free_value. */ static ecma_value_t ecma_builtin_object_prototype_object_to_locale_string (ecma_value_t this_arg) /**< this argument */ { ecma_value_t return_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); /* 1. */ ECMA_TRY_CATCH (obj_val, ecma_op_to_object (this_arg), return_value); ecma_object_t *obj_p = ecma_get_object_from_value (obj_val); ecma_string_t *to_string_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_TO_STRING_UL); /* 2. */ ECMA_TRY_CATCH (to_string_val, ecma_op_object_get (obj_p, to_string_magic_string_p), return_value); /* 3. */ if (!ecma_op_is_callable (to_string_val)) { return_value = ecma_raise_type_error (ECMA_ERR_MSG ("")); } else { /* 4. */ ecma_object_t *to_string_func_obj_p = ecma_get_object_from_value (to_string_val); return_value = ecma_op_function_call (to_string_func_obj_p, this_arg, NULL, 0); } ECMA_FINALIZE (to_string_val); ecma_deref_ecma_string (to_string_magic_string_p); ECMA_FINALIZE (obj_val); return return_value; } /* ecma_builtin_object_prototype_object_to_locale_string */
/** * The Function.prototype object's 'apply' routine * * See also: * ECMA-262 v5, 15.3.4.3 * * @return ecma value * Returned value must be freed with ecma_free_value. */ static ecma_value_t ecma_builtin_function_prototype_object_apply (ecma_value_t this_arg, /**< this argument */ ecma_value_t arg1, /**< first argument */ ecma_value_t arg2) /**< second argument */ { ecma_value_t ret_value = ECMA_VALUE_EMPTY; /* 1. */ if (!ecma_op_is_callable (this_arg)) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument 'this' is not a function.")); } else { ecma_object_t *func_obj_p = ecma_get_object_from_value (this_arg); /* 2. */ if (ecma_is_value_null (arg2) || ecma_is_value_undefined (arg2)) { ret_value = ecma_op_function_call (func_obj_p, arg1, NULL, 0); } else { /* 3. */ if (!ecma_is_value_object (arg2)) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object.")); } else { ecma_object_t *obj_p = ecma_get_object_from_value (arg2); /* 4. */ ecma_value_t length_value = ecma_op_object_get_by_magic_id (obj_p, LIT_MAGIC_STRING_LENGTH); if (ECMA_IS_VALUE_ERROR (length_value)) { return length_value; } ecma_number_t length_number; ecma_value_t get_result = ecma_get_number (length_value, &length_number); ecma_free_value (length_value); if (ECMA_IS_VALUE_ERROR (get_result)) { return get_result; } JERRY_ASSERT (ecma_is_value_empty (get_result)); /* 5. */ const uint32_t length = ecma_number_to_uint32 (length_number); if (length >= ECMA_FUNCTION_APPLY_ARGUMENT_COUNT_LIMIT) { ret_value = ecma_raise_range_error (ECMA_ERR_MSG ("Too many arguments declared for Function.apply().")); } else { /* 6. */ JMEM_DEFINE_LOCAL_ARRAY (arguments_list_p, length, ecma_value_t); uint32_t index = 0; /* 7. */ for (index = 0; index < length; index++) { ecma_string_t *curr_idx_str_p = ecma_new_ecma_string_from_uint32 (index); ecma_value_t get_value = ecma_op_object_get (obj_p, curr_idx_str_p); ecma_deref_ecma_string (curr_idx_str_p); if (ECMA_IS_VALUE_ERROR (get_value)) { ret_value = get_value; break; } arguments_list_p[index] = get_value; } if (ecma_is_value_empty (ret_value)) { JERRY_ASSERT (index == length); ret_value = ecma_op_function_call (func_obj_p, arg1, arguments_list_p, length); } for (uint32_t remove_index = 0; remove_index < index; remove_index++) { ecma_free_value (arguments_list_p[remove_index]); } JMEM_FINALIZE_LOCAL_ARRAY (arguments_list_p); } } } } return ret_value; } /* ecma_builtin_function_prototype_object_apply */
/** * The Function.prototype object's 'apply' routine * * See also: * ECMA-262 v5, 15.3.4.3 * * @return ecma value * Returned value must be freed with ecma_free_value. */ static ecma_value_t ecma_builtin_function_prototype_object_apply (ecma_value_t this_arg, /**< this argument */ ecma_value_t arg1, /**< first argument */ ecma_value_t arg2) /**< second argument */ { ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); /* 1. */ if (!ecma_op_is_callable (this_arg)) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("")); } else { ecma_object_t *func_obj_p = ecma_get_object_from_value (this_arg); /* 2. */ if (ecma_is_value_null (arg2) || ecma_is_value_undefined (arg2)) { ret_value = ecma_op_function_call (func_obj_p, arg1, NULL, 0); } else { /* 3. */ if (!ecma_is_value_object (arg2)) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("")); } else { ecma_object_t *obj_p = ecma_get_object_from_value (arg2); ecma_string_t *length_magic_string_p = ecma_new_ecma_length_string (); /* 4. */ ECMA_TRY_CATCH (length_value, ecma_op_object_get (obj_p, length_magic_string_p), ret_value); ECMA_OP_TO_NUMBER_TRY_CATCH (length_number, length_value, ret_value); /* 5. */ const uint32_t length = ecma_number_to_uint32 (length_number); /* 6. */ JMEM_DEFINE_LOCAL_ARRAY (arguments_list_p, length, ecma_value_t); uint32_t last_index = 0; /* 7. */ for (uint32_t index = 0; index < length && ecma_is_value_empty (ret_value); index++) { ecma_string_t *curr_idx_str_p = ecma_new_ecma_string_from_uint32 (index); ECMA_TRY_CATCH (get_value, ecma_op_object_get (obj_p, curr_idx_str_p), ret_value); arguments_list_p[index] = ecma_copy_value (get_value); last_index = index + 1; ECMA_FINALIZE (get_value); ecma_deref_ecma_string (curr_idx_str_p); } if (ecma_is_value_empty (ret_value)) { JERRY_ASSERT (last_index == length); ret_value = ecma_op_function_call (func_obj_p, arg1, arguments_list_p, length); } for (uint32_t index = 0; index < last_index; index++) { ecma_free_value (arguments_list_p[index]); } JMEM_FINALIZE_LOCAL_ARRAY (arguments_list_p); ECMA_OP_TO_NUMBER_FINALIZE (length_number); ECMA_FINALIZE (length_value); ecma_deref_ecma_string (length_magic_string_p); } } } return ret_value; } /* ecma_builtin_function_prototype_object_apply */
/** * GetBindingValue operation. * * See also: ECMA-262 v5, 10.2.1 * * @return completion value * Returned value must be freed with ecma_free_completion_value. */ ecma_completion_value_t ecma_op_get_binding_value (ecma_object_t *lex_env_p, /**< lexical environment */ ecma_string_t *name_p, /**< argument N */ bool is_strict) /**< argument S */ { JERRY_ASSERT (lex_env_p != NULL && ecma_is_lexical_environment (lex_env_p)); JERRY_ASSERT (name_p != NULL); if (ecma_get_lex_env_type (lex_env_p) == ECMA_LEXICAL_ENVIRONMENT_DECLARATIVE) { #ifndef JERRY_NDEBUG # ifdef CONFIG_ECMA_COMPACT_PROFILE bool is_equal = false; ecma_string_t *arguments_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_ARGUMENTS); if (ecma_compare_ecma_strings (name_p, arguments_magic_string_p)) { is_equal = true; } ecma_deref_ecma_string (arguments_magic_string_p); JERRY_ASSERT (!is_equal); if (is_equal) { return ecma_make_throw_obj_completion_value (ecma_builtin_get (ECMA_BUILTIN_ID_COMPACT_PROFILE_ERROR)); } # endif /* CONFIG_ECMA_COMPACT_PROFILE */ #endif /* !JERRY_NDEBUG */ ecma_property_t *property_p = ecma_get_named_data_property (lex_env_p, name_p); ecma_value_t prop_value = ecma_get_named_data_property_value (property_p); /* is the binding mutable? */ if (!ecma_is_property_writable (property_p) && ecma_is_value_empty (prop_value)) { /* unitialized immutable binding */ if (is_strict) { return ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_REFERENCE)); } else { return ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_UNDEFINED); } } return ecma_make_normal_completion_value (ecma_copy_value (prop_value, true)); } else { JERRY_ASSERT (ecma_get_lex_env_type (lex_env_p) == ECMA_LEXICAL_ENVIRONMENT_OBJECTBOUND); ecma_object_t *binding_obj_p = ecma_get_lex_env_binding_object (lex_env_p); if (ecma_op_object_get_property (binding_obj_p, name_p) == NULL) { if (is_strict) { return ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_REFERENCE)); } else { return ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_UNDEFINED); } } return ecma_op_object_get (binding_obj_p, name_p); } } /* ecma_op_get_binding_value */
/** * [[DefaultValue]] ecma general object's operation * * See also: * ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8 * ECMA-262 v5, 8.12.8 * * @return completion value * Returned value must be freed with ecma_free_completion_value */ ecma_completion_value_t ecma_op_general_object_default_value (ecma_object_t *obj_p, /**< the object */ ecma_preferred_type_hint_t hint) /**< hint on preferred result type */ { JERRY_ASSERT (obj_p != NULL && !ecma_is_lexical_environment (obj_p)); if (hint == ECMA_PREFERRED_TYPE_NO) { if (ecma_object_get_class_name (obj_p) == LIT_MAGIC_STRING_DATE_UL) { hint = ECMA_PREFERRED_TYPE_STRING; } else { hint = ECMA_PREFERRED_TYPE_NUMBER; } } for (uint32_t i = 1; i <= 2; i++) { lit_magic_string_id_t function_name_magic_string_id; if ((i == 1 && hint == ECMA_PREFERRED_TYPE_STRING) || (i == 2 && hint == ECMA_PREFERRED_TYPE_NUMBER)) { function_name_magic_string_id = LIT_MAGIC_STRING_TO_STRING_UL; } else { function_name_magic_string_id = LIT_MAGIC_STRING_VALUE_OF_UL; } ecma_string_t *function_name_p = ecma_get_magic_string (function_name_magic_string_id); ecma_completion_value_t function_value_get_completion = ecma_op_object_get (obj_p, function_name_p); ecma_deref_ecma_string (function_name_p); if (!ecma_is_completion_value_normal (function_value_get_completion)) { return function_value_get_completion; } ecma_completion_value_t call_completion = ecma_make_empty_completion_value (); if (ecma_op_is_callable (ecma_get_completion_value_value (function_value_get_completion))) { ecma_object_t *func_obj_p = ecma_get_object_from_completion_value (function_value_get_completion); call_completion = ecma_op_function_call (func_obj_p, ecma_make_object_value (obj_p), NULL); } ecma_free_completion_value (function_value_get_completion); if (!ecma_is_completion_value_normal (call_completion)) { return call_completion; } if (!ecma_is_completion_value_empty (call_completion) && !ecma_is_value_object (ecma_get_completion_value_value (call_completion))) { return call_completion; } ecma_free_completion_value (call_completion); } return ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE)); } /* ecma_op_general_object_default_value */
/** * Abstract operation Walk defined in 15.12.2 * * See also: * ECMA-262 v5, 15.12.2 * * @return ecma value * Returned value must be freed with ecma_free_value. */ static ecma_value_t ecma_builtin_json_walk (ecma_object_t *reviver_p, /**< reviver function */ ecma_object_t *holder_p, /**< holder object */ ecma_string_t *name_p) /**< property name */ { JERRY_ASSERT (reviver_p); JERRY_ASSERT (holder_p); JERRY_ASSERT (name_p); ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); ECMA_TRY_CATCH (value_get, ecma_op_object_get (holder_p, name_p), ret_value); if (ecma_is_value_object (value_get)) { ecma_object_t *object_p = ecma_get_object_from_value (value_get); ecma_collection_header_t *props_p = ecma_op_object_get_property_names (object_p, false, true, false); ecma_collection_iterator_t iter; ecma_collection_iterator_init (&iter, props_p); while (ecma_collection_iterator_next (&iter) && ecma_is_value_empty (ret_value)) { ecma_string_t *property_name_p = ecma_get_string_from_value (*iter.current_value_p); ECMA_TRY_CATCH (value_walk, ecma_builtin_json_walk (reviver_p, object_p, property_name_p), ret_value); /* * We cannot optimize this function since any members * can be changed (deleted) by the reviver function. */ if (ecma_is_value_undefined (value_walk)) { ecma_value_t delete_val = ecma_op_general_object_delete (object_p, property_name_p, false); JERRY_ASSERT (ecma_is_value_boolean (delete_val)); } else { ecma_builtin_json_define_value_property (object_p, property_name_p, value_walk); } ECMA_FINALIZE (value_walk); } ecma_free_values_collection (props_p, true); } if (ecma_is_value_empty (ret_value)) { ecma_value_t arguments_list[2]; arguments_list[0] = ecma_make_string_value (name_p); arguments_list[1] = value_get; /* * The completion value can be anything including exceptions. */ ret_value = ecma_op_function_call (reviver_p, ecma_make_object_value (holder_p), arguments_list, 2); } else { JERRY_ASSERT (ecma_is_value_error (ret_value)); } ECMA_FINALIZE (value_get); return ret_value; } /* ecma_builtin_json_walk */
/** * Abstract operation 'JA' defined in 15.12.3 * * See also: * ECMA-262 v5, 15.12.3 * * @return ecma value * Returned value must be freed with ecma_free_value. */ static ecma_value_t ecma_builtin_json_array (ecma_object_t *obj_p, /**< the array object*/ ecma_json_stringify_context_t *context_p) /**< context*/ { ecma_value_t obj_value = ecma_make_object_value (obj_p); /* 1. */ if (ecma_has_object_value_in_collection (context_p->occurence_stack_p, obj_value)) { return ecma_raise_type_error (""); } ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); /* 2. */ ecma_append_to_values_collection (context_p->occurence_stack_p, obj_value, true); /* 3. */ ecma_string_t *stepback_p = context_p->indent_str_p; /* 4. */ context_p->indent_str_p = ecma_concat_ecma_strings (context_p->indent_str_p, context_p->gap_str_p); /* 5. */ ecma_collection_header_t *partial_p = ecma_new_values_collection (NULL, 0, true); ecma_string_t *length_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_LENGTH); /* 6. */ ECMA_TRY_CATCH (array_length, ecma_op_object_get (obj_p, length_str_p), ret_value); ECMA_OP_TO_NUMBER_TRY_CATCH (array_length_num, array_length, ret_value); uint32_t array_length = ecma_number_to_uint32 (array_length_num); /* 7. - 8. */ for (uint32_t index = 0; index < array_length && ecma_is_value_empty (ret_value); index++) { /* 8.a */ ecma_string_t *index_str_p = ecma_new_ecma_string_from_uint32 (index); ECMA_TRY_CATCH (str_val, ecma_builtin_json_str (index_str_p, obj_p, context_p), ret_value); /* 8.b */ if (ecma_is_value_undefined (str_val)) { ecma_string_t *null_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_NULL); ecma_append_to_values_collection (partial_p, ecma_make_string_value (null_str_p), true); ecma_deref_ecma_string (null_str_p); } /* 8.c */ else { ecma_append_to_values_collection (partial_p, str_val, true); } ECMA_FINALIZE (str_val); ecma_deref_ecma_string (index_str_p); } if (ecma_is_value_empty (ret_value)) { /* 9. */ if (partial_p->unit_number == 0) { ecma_string_t *left_square_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_LEFT_SQUARE_CHAR); ecma_string_t *right_square_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_RIGHT_SQUARE_CHAR); ecma_string_t *final_str_p = ecma_concat_ecma_strings (left_square_str_p, right_square_str_p); ret_value = ecma_make_string_value (final_str_p); ecma_deref_ecma_string (left_square_str_p); ecma_deref_ecma_string (right_square_str_p); } /* 10. */ else { bool is_gap_empty = (ecma_string_get_length (context_p->gap_str_p) == 0); /* 10.a */ if (is_gap_empty) { ecma_string_t *left_square_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_LEFT_SQUARE_CHAR); ecma_string_t *right_square_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_RIGHT_SQUARE_CHAR); ret_value = ecma_builtin_helper_json_create_non_formatted_json (left_square_str_p, right_square_str_p, partial_p); ecma_deref_ecma_string (left_square_str_p); ecma_deref_ecma_string (right_square_str_p); } /* 10.b */ else { ecma_string_t *left_square_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_LEFT_SQUARE_CHAR); ecma_string_t *right_square_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_RIGHT_SQUARE_CHAR); ret_value = ecma_builtin_helper_json_create_formatted_json (left_square_str_p, right_square_str_p, stepback_p, partial_p, context_p); ecma_deref_ecma_string (left_square_str_p); ecma_deref_ecma_string (right_square_str_p); } } } ECMA_OP_TO_NUMBER_FINALIZE (array_length_num); ECMA_FINALIZE (array_length); ecma_deref_ecma_string (length_str_p); ecma_free_values_collection (partial_p, true); /* 11. */ ecma_remove_last_value_from_values_collection (context_p->occurence_stack_p); /* 12. */ ecma_deref_ecma_string (context_p->indent_str_p); context_p->indent_str_p = stepback_p; /* 13. */ return ret_value; } /* ecma_builtin_json_array */
/** * Abstract operation 'Str' defined in 15.12.3 * * See also: * ECMA-262 v5, 15.12.3 * * @return ecma value * Returned value must be freed with ecma_free_value. */ static ecma_value_t ecma_builtin_json_str (ecma_string_t *key_p, /**< property key*/ ecma_object_t *holder_p, /**< the object*/ ecma_json_stringify_context_t *context_p) /**< context*/ { ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); /* 1. */ ECMA_TRY_CATCH (value, ecma_op_object_get (holder_p, key_p), ret_value); ecma_value_t my_val = ecma_copy_value (value, true); /* 2. */ if (ecma_is_value_object (my_val)) { ecma_object_t *value_obj_p = ecma_get_object_from_value (my_val); ecma_string_t *to_json_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_TO_JSON_UL); /* 2.a */ ECMA_TRY_CATCH (toJSON, ecma_op_object_get (value_obj_p, to_json_str_p), ret_value); /* 2.b */ if (ecma_op_is_callable (toJSON)) { ecma_value_t key_value = ecma_make_string_value (key_p); ecma_value_t call_args[] = { key_value }; ecma_object_t *toJSON_obj_p = ecma_get_object_from_value (toJSON); ECMA_TRY_CATCH (func_ret_val, ecma_op_function_call (toJSON_obj_p, my_val, call_args, 1), ret_value); ecma_free_value (my_val); my_val = ecma_copy_value (func_ret_val, true); ECMA_FINALIZE (func_ret_val); } ECMA_FINALIZE (toJSON); ecma_deref_ecma_string (to_json_str_p); } /* 3. */ if (context_p->replacer_function_p && ecma_is_value_empty (ret_value)) { ecma_value_t holder_value = ecma_make_object_value (holder_p); ecma_value_t key_value = ecma_make_string_value (key_p); ecma_value_t call_args[] = { key_value, my_val }; ECMA_TRY_CATCH (func_ret_val, ecma_op_function_call (context_p->replacer_function_p, holder_value, call_args, 2), ret_value); ecma_free_value (my_val); my_val = ecma_copy_value (func_ret_val, true); ECMA_FINALIZE (func_ret_val); } /* 4. */ if (ecma_is_value_object (my_val) && ecma_is_value_empty (ret_value)) { ecma_object_t *obj_p = ecma_get_object_from_value (my_val); lit_magic_string_id_t class_name = ecma_object_get_class_name (obj_p); /* 4.a */ if (class_name == LIT_MAGIC_STRING_NUMBER_UL) { ECMA_TRY_CATCH (val, ecma_op_to_number (my_val), ret_value); ecma_free_value (my_val); my_val = ecma_copy_value (val, true); ECMA_FINALIZE (val); } /* 4.b */ else if (class_name == LIT_MAGIC_STRING_STRING_UL) { ECMA_TRY_CATCH (val, ecma_op_to_string (my_val), ret_value); ecma_free_value (my_val); my_val = ecma_copy_value (val, true); ECMA_FINALIZE (val); } /* 4.c */ else if (class_name == LIT_MAGIC_STRING_BOOLEAN_UL) { ECMA_TRY_CATCH (val, ecma_op_to_primitive (my_val, ECMA_PREFERRED_TYPE_NO), ret_value); ecma_free_value (my_val); my_val = ecma_copy_value (val, true); ECMA_FINALIZE (val); } } if (ecma_is_value_empty (ret_value)) { /* 5. - 7. */ if (ecma_is_value_null (my_val) || ecma_is_value_boolean (my_val)) { ret_value = ecma_op_to_string (my_val); JERRY_ASSERT (!ecma_is_value_error (ret_value)); } /* 8. */ else if (ecma_is_value_string (my_val)) { ecma_string_t *value_str_p = ecma_get_string_from_value (my_val); ret_value = ecma_builtin_json_quote (value_str_p); } /* 9. */ else if (ecma_is_value_number (my_val)) { ecma_number_t num_value_p = *ecma_get_number_from_value (my_val); /* 9.a */ if (!ecma_number_is_nan (num_value_p) && !ecma_number_is_infinity (num_value_p)) { ret_value = ecma_op_to_string (my_val); JERRY_ASSERT (!ecma_is_value_error (ret_value)); } else { /* 9.b */ ecma_string_t *null_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_NULL); ret_value = ecma_make_string_value (null_str_p); } } /* 10. */ else if (ecma_is_value_object (my_val) && !ecma_op_is_callable (my_val)) { ecma_object_t *obj_p = ecma_get_object_from_value (my_val); lit_magic_string_id_t class_name = ecma_object_get_class_name (obj_p); /* 10.a */ if (class_name == LIT_MAGIC_STRING_ARRAY_UL) { ECMA_TRY_CATCH (val, ecma_builtin_json_array (obj_p, context_p), ret_value); ret_value = ecma_copy_value (val, true); ECMA_FINALIZE (val); } /* 10.b */ else { ECMA_TRY_CATCH (val, ecma_builtin_json_object (obj_p, context_p), ret_value); ret_value = ecma_copy_value (val, true); ECMA_FINALIZE (val); } } else { /* 11. */ ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED); } } ecma_free_value (my_val); ECMA_FINALIZE (value); return ret_value; } /* ecma_builtin_json_str */
/** * The common function for 'reject' and 'resolve'. * * @return ecma value * Returned value must be freed with ecma_free_value. */ static ecma_value_t ecma_builtin_promise_reject_or_resolve (ecma_value_t this_arg, /**< "this" argument */ ecma_value_t argument, /**< argument for reject or resolve */ bool is_resolve) /**< whether it is for resolve routine */ { if (!ecma_is_value_object (this_arg)) { return ecma_raise_type_error (ECMA_ERR_MSG ("'this' is not an object.")); } uint8_t builtin_id = ecma_get_object_builtin_id (ecma_get_object_from_value (this_arg)); if (builtin_id != ECMA_BUILTIN_ID_PROMISE) { return ecma_raise_type_error (ECMA_ERR_MSG ("'this' is not the Promise constructor.")); } if (is_resolve && ecma_is_value_object (argument) && ecma_is_promise (ecma_get_object_from_value (argument))) { return ecma_copy_value (argument); } ecma_value_t capability = ecma_promise_new_capability (); if (ECMA_IS_VALUE_ERROR (capability)) { return capability; } ecma_string_t *str; if (is_resolve) { str = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_RESOLVE); } else { str = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_REJECT); } ecma_value_t func = ecma_op_object_get (ecma_get_object_from_value (capability), str); ecma_deref_ecma_string (str); ecma_value_t call_ret = ecma_op_function_call (ecma_get_object_from_value (func), ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED), &argument, 1); ecma_free_value (func); if (ECMA_IS_VALUE_ERROR (call_ret)) { return call_ret; } ecma_free_value (call_ret); ecma_string_t *str_promise = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_PROMISE); ecma_value_t promise_new = ecma_op_object_get (ecma_get_object_from_value (capability), str_promise); ecma_deref_ecma_string (str_promise); ecma_free_value (capability); return promise_new; } /* ecma_builtin_promise_reject_or_resolve */
/** * Runtime Semantics: PerformPromiseRace. * * See also: * ES2015 25.4.4.3.1 * * @return ecma value of the new promise. * Returned value must be freed with ecma_free_value. */ inline static ecma_value_t ecma_builtin_promise_do_race (ecma_value_t array, /**< the array for race */ ecma_value_t capability, /**< PromiseCapability record */ ecma_value_t ctor) /**< the caller of Promise.race */ { JERRY_ASSERT (ecma_is_value_object (capability) && ecma_is_value_object (array) && ecma_is_value_object (ctor)); JERRY_ASSERT (ecma_get_object_builtin_id (ecma_get_object_from_value (ctor)) == ECMA_BUILTIN_ID_PROMISE); JERRY_ASSERT (ecma_get_object_type (ecma_get_object_from_value (array)) == ECMA_OBJECT_TYPE_ARRAY); ecma_value_t ret = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); ecma_string_t *magic_string_length_p = ecma_new_ecma_length_string (); ecma_object_t *array_p = ecma_get_object_from_value (array); ecma_value_t len_value = ecma_op_object_get (array_p, magic_string_length_p); ecma_deref_ecma_string (magic_string_length_p); ecma_length_t len = (ecma_length_t) ecma_get_integer_from_value (len_value); ecma_fast_free_value (len_value); ecma_string_t *str_promise = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_PROMISE); ecma_string_t *str_resolve = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_RESOLVE); ecma_string_t *str_reject = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_REJECT); ecma_value_t resolve = ecma_op_object_get (ecma_get_object_from_value (capability), str_resolve); ecma_value_t reject = ecma_op_object_get (ecma_get_object_from_value (capability), str_reject); for (ecma_length_t index = 0; index <= len; index++) { /* b-d. */ if (index == len) { ret = ecma_op_object_get (ecma_get_object_from_value (capability), str_promise); break; } /* e. */ ecma_string_t *str_index = ecma_new_ecma_string_from_uint32 (index); ecma_value_t array_item = ecma_op_object_get (array_p, str_index); ecma_deref_ecma_string (str_index); /* h. */ ecma_value_t next_promise = ecma_builtin_promise_resolve (ctor, array_item); ecma_free_value (array_item); /* i. */ if (ECMA_IS_VALUE_ERROR (next_promise)) { ret = next_promise; break; } /* j. */ ecma_value_t then_result = ecma_promise_then (next_promise, resolve, reject); ecma_free_value (next_promise); /* k. */ if (ECMA_IS_VALUE_ERROR (then_result)) { ret = then_result; break; } ecma_free_value (then_result); } ecma_free_value (reject); ecma_free_value (resolve); ecma_deref_ecma_string (str_promise); ecma_deref_ecma_string (str_resolve); ecma_deref_ecma_string (str_reject); JERRY_ASSERT (!ecma_is_value_empty (ret)); return ret; } /* ecma_builtin_promise_do_race */
* @return ecma value of undefined. */ static ecma_value_t ecma_builtin_promise_all_handler (const ecma_value_t function, /**< the function itself */ const ecma_value_t this, /**< this_arg of the function */ const ecma_value_t argv[], /**< argument list */ const ecma_length_t argc) /**< argument number */ { JERRY_UNUSED (this); JERRY_UNUSED (argc); ecma_value_t ret = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED); /* 1. */ ecma_object_t *function_p = ecma_get_object_from_value (function); ecma_string_t *str_already_called = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_ALREADY_CALLED); ecma_value_t already_called = ecma_op_object_get (function_p, str_already_called); JERRY_ASSERT (ecma_is_value_boolean (already_called)); /* 2. */ if (ecma_is_value_true (already_called)) { ecma_fast_free_value (already_called); ecma_deref_ecma_string (str_already_called); return ret; } /* 3. */ ecma_op_object_put (function_p, str_already_called,
/** * ToPropertyDescriptor operation. * * See also: * ECMA-262 v5, 8.10.5 * * @return ecma value * Returned value must be freed with ecma_free_value */ ecma_value_t ecma_op_to_property_descriptor (ecma_value_t obj_value, /**< object value */ ecma_property_descriptor_t *out_prop_desc_p) /**< [out] filled property descriptor if return value is normal empty completion value */ { ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); // 1. if (!ecma_is_value_object (obj_value)) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("")); } else { ecma_object_t *obj_p = ecma_get_object_from_value (obj_value); // 2. ecma_property_descriptor_t prop_desc = ecma_make_empty_property_descriptor (); // 3. ecma_string_t *enumerable_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_ENUMERABLE); if (ecma_op_object_get_property (obj_p, enumerable_magic_string_p) != NULL) { ECMA_TRY_CATCH (enumerable_prop_value, ecma_op_object_get (obj_p, enumerable_magic_string_p), ret_value); prop_desc.is_enumerable_defined = true; prop_desc.is_enumerable = ecma_op_to_boolean (enumerable_prop_value); ECMA_FINALIZE (enumerable_prop_value); } ecma_deref_ecma_string (enumerable_magic_string_p); if (!ecma_is_value_error (ret_value)) { JERRY_ASSERT (ecma_is_value_empty (ret_value)); // 4. ecma_string_t *configurable_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_CONFIGURABLE); if (ecma_op_object_get_property (obj_p, configurable_magic_string_p) != NULL) { ECMA_TRY_CATCH (configurable_prop_value, ecma_op_object_get (obj_p, configurable_magic_string_p), ret_value); prop_desc.is_configurable_defined = true; prop_desc.is_configurable = ecma_op_to_boolean (configurable_prop_value); ECMA_FINALIZE (configurable_prop_value); } ecma_deref_ecma_string (configurable_magic_string_p); } if (!ecma_is_value_error (ret_value)) { JERRY_ASSERT (ecma_is_value_empty (ret_value)); // 5. ecma_string_t *value_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_VALUE); if (ecma_op_object_get_property (obj_p, value_magic_string_p) != NULL) { ECMA_TRY_CATCH (value_prop_value, ecma_op_object_get (obj_p, value_magic_string_p), ret_value); prop_desc.is_value_defined = true; prop_desc.value = ecma_copy_value (value_prop_value); ECMA_FINALIZE (value_prop_value); } ecma_deref_ecma_string (value_magic_string_p); } if (!ecma_is_value_error (ret_value)) { JERRY_ASSERT (ecma_is_value_empty (ret_value)); // 6. ecma_string_t *writable_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_WRITABLE); if (ecma_op_object_get_property (obj_p, writable_magic_string_p) != NULL) { ECMA_TRY_CATCH (writable_prop_value, ecma_op_object_get (obj_p, writable_magic_string_p), ret_value); prop_desc.is_writable_defined = true; prop_desc.is_writable = ecma_op_to_boolean (writable_prop_value); ECMA_FINALIZE (writable_prop_value); } ecma_deref_ecma_string (writable_magic_string_p); } if (!ecma_is_value_error (ret_value)) { JERRY_ASSERT (ecma_is_value_empty (ret_value)); // 7. ecma_string_t *get_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_GET); if (ecma_op_object_get_property (obj_p, get_magic_string_p) != NULL) { ECMA_TRY_CATCH (get_prop_value, ecma_op_object_get (obj_p, get_magic_string_p), ret_value); if (!ecma_op_is_callable (get_prop_value) && !ecma_is_value_undefined (get_prop_value)) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("")); } else { prop_desc.is_get_defined = true; if (ecma_is_value_undefined (get_prop_value)) { prop_desc.get_p = NULL; } else { JERRY_ASSERT (ecma_is_value_object (get_prop_value)); ecma_object_t *get_p = ecma_get_object_from_value (get_prop_value); ecma_ref_object (get_p); prop_desc.get_p = get_p; } } ECMA_FINALIZE (get_prop_value); } ecma_deref_ecma_string (get_magic_string_p); } if (!ecma_is_value_error (ret_value)) { JERRY_ASSERT (ecma_is_value_empty (ret_value)); // 8. ecma_string_t *set_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_SET); if (ecma_op_object_get_property (obj_p, set_magic_string_p) != NULL) { ECMA_TRY_CATCH (set_prop_value, ecma_op_object_get (obj_p, set_magic_string_p), ret_value); if (!ecma_op_is_callable (set_prop_value) && !ecma_is_value_undefined (set_prop_value)) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("")); } else { prop_desc.is_set_defined = true; if (ecma_is_value_undefined (set_prop_value)) { prop_desc.set_p = NULL; } else { JERRY_ASSERT (ecma_is_value_object (set_prop_value)); ecma_object_t *set_p = ecma_get_object_from_value (set_prop_value); ecma_ref_object (set_p); prop_desc.set_p = set_p; } } ECMA_FINALIZE (set_prop_value); } ecma_deref_ecma_string (set_magic_string_p); } if (!ecma_is_value_error (ret_value)) { JERRY_ASSERT (ecma_is_value_empty (ret_value)); // 9. if (prop_desc.is_get_defined || prop_desc.is_set_defined) { if (prop_desc.is_value_defined || prop_desc.is_writable_defined) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("")); } } } if (!ecma_is_value_error (ret_value)) { JERRY_ASSERT (ecma_is_value_empty (ret_value)); } else { ecma_free_property_descriptor (&prop_desc); } *out_prop_desc_p = prop_desc; } return ret_value; } /* ecma_op_to_property_descriptor */
/** * The processor for PromiseReactionJob. * * See also: ES2015 25.4.2.1 * * @return ecma value * Returned value must be freed with ecma_free_value */ static ecma_value_t ecma_process_promise_reaction_job (void *obj_p) /**< the job to be operated */ { ecma_job_promise_reaction_t *job_p = (ecma_job_promise_reaction_t *) obj_p; ecma_object_t *reaction_p = ecma_get_object_from_value (job_p->reaction); ecma_string_t *str_capability = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_CAPABILITY); ecma_string_t *str_handler = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_HANDLER); ecma_string_t *str_resolve = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_RESOLVE); ecma_string_t *str_reject = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_REJECT); /* 2. */ ecma_value_t capability = ecma_op_object_get (reaction_p, str_capability); /* 3. */ ecma_value_t handler = ecma_op_object_get (reaction_p, str_handler); JERRY_ASSERT (ecma_is_value_boolean (handler) || ecma_op_is_callable (handler)); ecma_value_t handler_result; if (ecma_is_value_boolean (handler)) { /* 4-5. True indicates "identity" and false indicates "thrower" */ handler_result = ecma_copy_value (job_p->argument); } else { /* 6. */ handler_result = ecma_op_function_call (ecma_get_object_from_value (handler), ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED), &(job_p->argument), 1); } ecma_value_t status; if (ecma_is_value_false (handler) || ECMA_IS_VALUE_ERROR (handler_result)) { if (ECMA_IS_VALUE_ERROR (handler_result)) { handler_result = ecma_get_value_from_error_value (handler_result); } /* 7. */ ecma_value_t reject = ecma_op_object_get (ecma_get_object_from_value (capability), str_reject); JERRY_ASSERT (ecma_op_is_callable (reject)); status = ecma_op_function_call (ecma_get_object_from_value (reject), ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED), &handler_result, 1); ecma_free_value (reject); } else { /* 8. */ ecma_value_t resolve = ecma_op_object_get (ecma_get_object_from_value (capability), str_resolve); JERRY_ASSERT (ecma_op_is_callable (resolve)); status = ecma_op_function_call (ecma_get_object_from_value (resolve), ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED), &handler_result, 1); ecma_free_value (resolve); } ecma_free_value (handler_result); ecma_free_value (handler); ecma_free_value (capability); ecma_deref_ecma_string (str_capability); ecma_deref_ecma_string (str_handler); ecma_deref_ecma_string (str_resolve); ecma_deref_ecma_string (str_reject); ecma_free_promise_reaction_job (job_p); return status; } /* ecma_process_promise_reaction_job */
/** * The JSON object's 'stringify' routine * * See also: * ECMA-262 v5, 15.12.3 * * @return ecma value * Returned value must be freed with ecma_free_value. */ static ecma_value_t ecma_builtin_json_stringify (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */ ecma_value_t arg1, /**< value */ ecma_value_t arg2, /**< replacer */ ecma_value_t arg3) /**< space */ { ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); ecma_json_stringify_context_t context; /* 1. */ context.occurence_stack_p = ecma_new_values_collection (NULL, 0, false); /* 2. */ context.indent_str_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY); /* 3. */ context.property_list_p = ecma_new_values_collection (NULL, 0, false); context.replacer_function_p = NULL; /* 4. */ if (ecma_is_value_object (arg2)) { ecma_object_t *obj_p = ecma_get_object_from_value (arg2); /* 4.a */ if (ecma_op_is_callable (arg2)) { context.replacer_function_p = obj_p; } /* 4.b */ else if (ecma_object_get_class_name (obj_p) == LIT_MAGIC_STRING_ARRAY_UL) { ecma_string_t *length_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_LENGTH); ECMA_TRY_CATCH (array_length, ecma_op_object_get (obj_p, length_str_p), ret_value); ECMA_OP_TO_NUMBER_TRY_CATCH (array_length_num, array_length, ret_value); uint32_t array_length = ecma_number_to_uint32 (array_length_num); uint32_t index = 0; /* 4.b.ii */ while ((index < array_length) && ecma_is_value_empty (ret_value)) { ecma_string_t *index_str_p = ecma_new_ecma_string_from_uint32 (index); ECMA_TRY_CATCH (value, ecma_op_object_get (obj_p, index_str_p), ret_value); /* 4.b.ii.1 */ ecma_value_t item = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED); /* 4.b.ii.2 */ if (ecma_is_value_string (value)) { item = ecma_copy_value (value, true); } /* 4.b.ii.3 */ else if (ecma_is_value_number (value)) { ECMA_TRY_CATCH (str_val, ecma_op_to_string (value), ret_value); item = ecma_copy_value (str_val, true); ECMA_FINALIZE (str_val); } /* 4.b.ii.4 */ else if (ecma_is_value_object (value)) { ecma_object_t *obj_val_p = ecma_get_object_from_value (value); lit_magic_string_id_t class_name = ecma_object_get_class_name (obj_val_p); /* 4.b.ii.4.a */ if (class_name == LIT_MAGIC_STRING_NUMBER_UL || class_name == LIT_MAGIC_STRING_STRING_UL) { ECMA_TRY_CATCH (val, ecma_op_to_string (value), ret_value); item = ecma_copy_value (val, true); ECMA_FINALIZE (val); } } /* 4.b.ii.5 */ if (!ecma_is_value_undefined (item)) { if (!ecma_has_string_value_in_collection (context.property_list_p, item)) { ecma_append_to_values_collection (context.property_list_p, item, true); ecma_deref_ecma_string (ecma_get_string_from_value (item)); } else { ecma_free_value (item); } } ECMA_FINALIZE (value); ecma_deref_ecma_string (index_str_p); index++; } ECMA_OP_TO_NUMBER_FINALIZE (array_length_num); ECMA_FINALIZE (array_length); ecma_deref_ecma_string (length_str_p); } } if (ecma_is_value_empty (ret_value)) { ecma_value_t space = ecma_copy_value (arg3, true); /* 5. */ if (ecma_is_value_object (arg3)) { ecma_object_t *obj_p = ecma_get_object_from_value (arg3); lit_magic_string_id_t class_name = ecma_object_get_class_name (obj_p); /* 5.a */ if (class_name == LIT_MAGIC_STRING_NUMBER_UL) { ECMA_TRY_CATCH (val, ecma_op_to_number (arg3), ret_value); ecma_free_value (space); space = ecma_copy_value (val, true); ECMA_FINALIZE (val); } /* 5.b */ else if (class_name == LIT_MAGIC_STRING_STRING_UL) { ECMA_TRY_CATCH (val, ecma_op_to_string (arg3), ret_value); ecma_free_value (space); space = ecma_copy_value (val, true); ECMA_FINALIZE (val); } } if (ecma_is_value_empty (ret_value)) { /* 6. */ if (ecma_is_value_number (space)) { ECMA_OP_TO_NUMBER_TRY_CATCH (array_length_num, arg3, ret_value); /* 6.a */ int32_t num_of_spaces = ecma_number_to_int32 (array_length_num); int32_t space = (num_of_spaces > 10) ? 10 : num_of_spaces; /* 6.b */ if (space < 1) { context.gap_str_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY); } else { MEM_DEFINE_LOCAL_ARRAY (space_buff, space, char); for (int32_t i = 0; i < space; i++) { space_buff[i] = LIT_CHAR_SP; } context.gap_str_p = ecma_new_ecma_string_from_utf8 ((lit_utf8_byte_t *) space_buff, (lit_utf8_size_t) space); MEM_FINALIZE_LOCAL_ARRAY (space_buff); } ECMA_OP_TO_NUMBER_FINALIZE (array_length_num); } /* 7. */ else if (ecma_is_value_string (space)) { ecma_string_t *space_str_p = ecma_get_string_from_value (space); ecma_length_t num_of_chars = ecma_string_get_length (space_str_p); if (num_of_chars < 10) { context.gap_str_p = ecma_copy_or_ref_ecma_string (space_str_p); } else { context.gap_str_p = ecma_string_substr (space_str_p, 0, 10); } } /* 8. */ else { context.gap_str_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY); } } ecma_free_value (space); if (ecma_is_value_empty (ret_value)) { /* 9. */ ecma_object_t *obj_wrapper_p = ecma_op_create_object_object_noarg (); ecma_string_t *empty_str_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY); /* 10. */ ecma_value_t put_comp_val = ecma_op_object_put (obj_wrapper_p, empty_str_p, arg1, false); JERRY_ASSERT (ecma_is_value_true (put_comp_val)); ecma_free_value (put_comp_val); /* 11. */ ECMA_TRY_CATCH (str_val, ecma_builtin_json_str (empty_str_p, obj_wrapper_p, &context), ret_value); ret_value = ecma_copy_value (str_val, true); ECMA_FINALIZE (str_val); ecma_deref_object (obj_wrapper_p); ecma_deref_ecma_string (empty_str_p); } ecma_deref_ecma_string (context.gap_str_p); } ecma_deref_ecma_string (context.indent_str_p); ecma_free_values_collection (context.property_list_p, true); ecma_free_values_collection (context.occurence_stack_p, true); return ret_value; } /* ecma_builtin_json_stringify */
/** * The Object object's 'defineProperties' routine * * See also: * ECMA-262 v5, 15.2.3.7 * * @return completion value * Returned value must be freed with ecma_free_completion_value. */ static ecma_completion_value_t ecma_builtin_object_object_define_properties (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */ ecma_value_t arg1, /**< routine's first argument */ ecma_value_t arg2) /**< routine's second argument */ { ecma_completion_value_t ret_value = ecma_make_empty_completion_value (); // 1. if (!ecma_is_value_object (arg1)) { ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE)); } else { ecma_object_t *obj_p = ecma_get_object_from_value (arg1); // 2. ECMA_TRY_CATCH (props, ecma_op_to_object (arg2), ret_value); ecma_object_t *props_p = ecma_get_object_from_value (props); // 3. ecma_collection_header_t *prop_names_p = ecma_op_object_get_property_names (props_p, false, true, false); uint32_t property_number = prop_names_p->unit_number; ecma_collection_iterator_t iter; ecma_collection_iterator_init (&iter, prop_names_p); // 4. MEM_DEFINE_LOCAL_ARRAY (property_descriptors, property_number, ecma_property_descriptor_t); uint32_t property_descriptor_number = 0; while (ecma_collection_iterator_next (&iter) && ecma_is_completion_value_empty (ret_value)) { // 5.a ECMA_TRY_CATCH (desc_obj, ecma_op_object_get (props_p, ecma_get_string_from_value (*iter.current_value_p)), ret_value); // 5.b ECMA_TRY_CATCH (conv_result, ecma_op_to_property_descriptor (desc_obj, &property_descriptors[property_descriptor_number]), ret_value); property_descriptor_number++; ECMA_FINALIZE (conv_result); ECMA_FINALIZE (desc_obj); } // 6. ecma_collection_iterator_init (&iter, prop_names_p); for (uint32_t index = 0; index < property_number && ecma_is_completion_value_empty (ret_value); index++) { bool is_next = ecma_collection_iterator_next (&iter); JERRY_ASSERT (is_next); ECMA_TRY_CATCH (define_own_prop_ret, ecma_op_object_define_own_property (obj_p, ecma_get_string_from_value (*iter.current_value_p), &property_descriptors[index], true), ret_value); ECMA_FINALIZE (define_own_prop_ret); } // Clean up for (uint32_t index = 0; index < property_descriptor_number; index++) { ecma_free_property_descriptor (&property_descriptors[index]); } MEM_FINALIZE_LOCAL_ARRAY (property_descriptors); ecma_free_values_collection (prop_names_p, true); // 7. if (ecma_is_completion_value_empty (ret_value)) { ret_value = ecma_make_normal_completion_value (ecma_copy_value (arg1, true)); } ECMA_FINALIZE (props); } return ret_value; } /* ecma_builtin_object_object_define_properties */
* @return ecma value of undefined. */ static ecma_value_t ecma_promise_reject_handler (const ecma_value_t function, /**< the function itself */ const ecma_value_t this, /**< this_arg of the function */ const ecma_value_t argv[], /**< argument list */ const ecma_length_t argc) /**< argument number */ { JERRY_UNUSED (this); ecma_string_t *str_promise_p = ecma_get_magic_string (LIT_INTERNAL_MAGIC_STRING_PROMISE); ecma_string_t *str_already_resolved_p = ecma_get_magic_string (LIT_INTERNAL_MAGIC_STRING_ALREADY_RESOLVED); ecma_object_t *function_p = ecma_get_object_from_value (function); /* 2. */ ecma_value_t promise = ecma_op_object_get (function_p, str_promise_p); /* 1. */ JERRY_ASSERT (ecma_is_promise (ecma_get_object_from_value (promise))); /* 3. */ ecma_value_t already_resolved = ecma_op_object_get (function_p, str_already_resolved_p); /* 4. */ if (ecma_get_already_resolved_bool_value (already_resolved)) { ecma_free_value (promise); ecma_free_value (already_resolved); return ECMA_VALUE_UNDEFINED; } /* 5. */ ecma_set_already_resolved_value (already_resolved, true);
/** * The Error.prototype object's 'toString' routine * * See also: * ECMA-262 v5, 15.11.4.4 * * @return ecma value * Returned value must be freed with ecma_free_value. */ static ecma_value_t ecma_builtin_error_prototype_object_to_string (ecma_value_t this_arg) /**< this argument */ { ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); // 2. if (!ecma_is_value_object (this_arg)) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("")); } else { ecma_object_t *obj_p = ecma_get_object_from_value (this_arg); ecma_string_t *name_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_NAME); ECMA_TRY_CATCH (name_get_ret_value, ecma_op_object_get (obj_p, name_magic_string_p), ret_value); ecma_value_t name_to_str_completion; if (ecma_is_value_undefined (name_get_ret_value)) { ecma_string_t *error_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_ERROR_UL); name_to_str_completion = ecma_make_string_value (error_magic_string_p); } else { name_to_str_completion = ecma_op_to_string (name_get_ret_value); } if (unlikely (ecma_is_value_error (name_to_str_completion))) { ret_value = ecma_copy_value (name_to_str_completion); } else { ecma_string_t *message_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_MESSAGE); ECMA_TRY_CATCH (msg_get_ret_value, ecma_op_object_get (obj_p, message_magic_string_p), ret_value); ecma_value_t msg_to_str_completion; if (ecma_is_value_undefined (msg_get_ret_value)) { ecma_string_t *empty_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY); msg_to_str_completion = ecma_make_string_value (empty_magic_string_p); } else { msg_to_str_completion = ecma_op_to_string (msg_get_ret_value); } if (unlikely (ecma_is_value_error (msg_to_str_completion))) { ret_value = ecma_copy_value (msg_to_str_completion); } else { ecma_string_t *name_string_p = ecma_get_string_from_value (name_to_str_completion); ecma_string_t *msg_string_p = ecma_get_string_from_value (msg_to_str_completion); ecma_string_t *ret_str_p; if (ecma_string_get_length (name_string_p) == 0) { ret_str_p = ecma_copy_or_ref_ecma_string (msg_string_p); } else if (ecma_string_get_length (msg_string_p) == 0) { ret_str_p = ecma_copy_or_ref_ecma_string (name_string_p); } else { const lit_utf8_size_t name_size = ecma_string_get_size (name_string_p); const lit_utf8_size_t msg_size = ecma_string_get_size (msg_string_p); const lit_utf8_size_t colon_size = lit_get_magic_string_size (LIT_MAGIC_STRING_COLON_CHAR); const lit_utf8_size_t space_size = lit_get_magic_string_size (LIT_MAGIC_STRING_SPACE_CHAR); const lit_utf8_size_t size = name_size + msg_size + colon_size + space_size; JMEM_DEFINE_LOCAL_ARRAY (ret_str_buffer, size, lit_utf8_byte_t); lit_utf8_byte_t *ret_str_buffer_p = ret_str_buffer; lit_utf8_size_t bytes = ecma_string_to_utf8_string (name_string_p, ret_str_buffer_p, name_size); JERRY_ASSERT (bytes == name_size); ret_str_buffer_p = ret_str_buffer_p + bytes; JERRY_ASSERT (ret_str_buffer_p <= ret_str_buffer + size); ret_str_buffer_p = lit_copy_magic_string_to_buffer (LIT_MAGIC_STRING_COLON_CHAR, ret_str_buffer_p, colon_size); JERRY_ASSERT (ret_str_buffer_p <= ret_str_buffer + size); ret_str_buffer_p = lit_copy_magic_string_to_buffer (LIT_MAGIC_STRING_SPACE_CHAR, ret_str_buffer_p, space_size); JERRY_ASSERT (ret_str_buffer_p <= ret_str_buffer + size); bytes = ecma_string_to_utf8_string (msg_string_p, ret_str_buffer_p, msg_size); JERRY_ASSERT (bytes == msg_size); ret_str_buffer_p = ret_str_buffer_p + bytes; JERRY_ASSERT (ret_str_buffer_p == ret_str_buffer + size); ret_str_p = ecma_new_ecma_string_from_utf8 (ret_str_buffer, size); JMEM_FINALIZE_LOCAL_ARRAY (ret_str_buffer); } ret_value = ecma_make_string_value (ret_str_p); } ecma_free_value (msg_to_str_completion); ECMA_FINALIZE (msg_get_ret_value); ecma_deref_ecma_string (message_magic_string_p); } ecma_free_value (name_to_str_completion); ECMA_FINALIZE (name_get_ret_value); ecma_deref_ecma_string (name_magic_string_p); } return ret_value; } /* ecma_builtin_error_prototype_object_to_string */
/** * The String.prototype object's 'match' routine * * See also: * ECMA-262 v5, 15.5.4.10 * * @return completion value * Returned value must be freed with ecma_free_completion_value. */ static ecma_completion_value_t ecma_builtin_string_prototype_object_match (ecma_value_t this_arg, /**< this argument */ ecma_value_t arg) /**< routine's argument */ { ecma_completion_value_t ret_value = ecma_make_empty_completion_value (); /* 1. */ ECMA_TRY_CATCH (this_check_coercible_value, ecma_op_check_object_coercible (this_arg), ret_value); /* 2. */ ECMA_TRY_CATCH (this_to_string_value, ecma_op_to_string (this_arg), ret_value); ecma_value_t regexp_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); /* 3. */ if (ecma_is_value_object (arg) && ecma_object_get_class_name (ecma_get_object_from_value (arg)) == LIT_MAGIC_STRING_REGEXP_UL) { regexp_value = ecma_copy_value (arg, true); } else { /* 4. */ ecma_value_t regexp_arguments[1] = { arg }; ECMA_TRY_CATCH (new_regexp_value, ecma_builtin_regexp_dispatch_construct (regexp_arguments, 1), ret_value); regexp_value = ecma_copy_value (new_regexp_value, true); ECMA_FINALIZE (new_regexp_value); } if (ecma_is_completion_value_empty (ret_value)) { JERRY_ASSERT (!ecma_is_value_empty (regexp_value)); ecma_object_t *regexp_obj_p = ecma_get_object_from_value (regexp_value); ecma_string_t *global_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_GLOBAL); /* 5. */ ECMA_TRY_CATCH (global_value, ecma_op_object_get (regexp_obj_p, global_string_p), ret_value); JERRY_ASSERT (ecma_is_value_boolean (global_value)); ecma_value_t exec_arguments[1] = { this_to_string_value }; if (!ecma_is_value_true (global_value)) { /* 7. */ ret_value = ecma_builtin_regexp_prototype_dispatch_routine (LIT_MAGIC_STRING_EXEC, regexp_value, exec_arguments, 1); } else { /* 8.a. */ ecma_number_t *zero_number_p = ecma_alloc_number (); *zero_number_p = 0; ecma_string_t *index_zero_string_p = ecma_new_ecma_string_from_uint32 (0); ecma_string_t *last_index_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_LASTINDEX_UL); ECMA_TRY_CATCH (put_value, ecma_op_object_put (regexp_obj_p, last_index_string_p, ecma_make_number_value (zero_number_p), true), ret_value); /* 8.b. */ ECMA_TRY_CATCH (new_array_value, ecma_op_create_array_object (NULL, 0, false), ret_value); ecma_object_t *new_array_obj_p = ecma_get_object_from_value (new_array_value); /* 8.c. */ ecma_number_t previous_last_index = 0; /* 8.d. */ uint32_t n = 0; /* 8.e. */ bool last_match = true; //ecma_completion_value_t exec_result = ecma_make_empty_completion_value (); /* 8.f. */ while (last_match && ecma_is_completion_value_empty (ret_value)) { /* 8.f.i. */ ECMA_TRY_CATCH (exec_value, ecma_builtin_regexp_prototype_dispatch_routine (LIT_MAGIC_STRING_EXEC, regexp_value, exec_arguments, 1), ret_value); if (ecma_is_value_null (exec_value)) { /* 8.f.ii. */ last_match = false; } else { /* 8.f.iii. */ ECMA_TRY_CATCH (this_index_value, ecma_op_object_get (regexp_obj_p, last_index_string_p), ret_value); ECMA_TRY_CATCH (this_index_number, ecma_op_to_number (this_index_value), ret_value); ecma_number_t this_index = *ecma_get_number_from_value (this_index_number); /* 8.f.iii.2. */ if (this_index == previous_last_index) { ecma_number_t *new_last_index_p = ecma_alloc_number (); *new_last_index_p = this_index + 1; /* 8.f.iii.2.a. */ ECMA_TRY_CATCH (index_put_value, ecma_op_object_put (regexp_obj_p, last_index_string_p, ecma_make_number_value (new_last_index_p), true), ret_value); /* 8.f.iii.2.b. */ previous_last_index = this_index + 1; ECMA_FINALIZE (index_put_value); ecma_dealloc_number (new_last_index_p); } else { /* 8.f.iii.3. */ previous_last_index = this_index; } if (ecma_is_completion_value_empty (ret_value)) { /* 8.f.iii.4. */ JERRY_ASSERT (ecma_is_value_object (exec_value)); ecma_object_t *exec_obj_p = ecma_get_object_from_value (exec_value); ECMA_TRY_CATCH (match_string_value, ecma_op_object_get (exec_obj_p, index_zero_string_p), ret_value); /* 8.f.iii.5. */ ecma_property_descriptor_t prop_desc = ecma_make_empty_property_descriptor (); { prop_desc.is_value_defined = true; prop_desc.value = match_string_value; prop_desc.is_writable_defined = true; prop_desc.is_writable = true; prop_desc.is_enumerable_defined = true; prop_desc.is_enumerable = true; prop_desc.is_configurable_defined = true; prop_desc.is_configurable = true; } ecma_string_t *current_index_str_p = ecma_new_ecma_string_from_uint32 (n); ecma_completion_value_t completion = ecma_op_object_define_own_property (new_array_obj_p, current_index_str_p, &prop_desc, false); JERRY_ASSERT (ecma_is_completion_value_normal_true (completion)); ecma_deref_ecma_string (current_index_str_p); /* 8.f.iii.6. */ n++; ECMA_FINALIZE (match_string_value); } ECMA_FINALIZE (this_index_number); ECMA_FINALIZE (this_index_value); } ECMA_FINALIZE (exec_value); } if (ecma_is_completion_value_empty (ret_value)) { if (n == 0) { /* 8.g. */ ret_value = ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_NULL); } else { /* 8.h. */ ret_value = ecma_make_normal_completion_value (ecma_copy_value (new_array_value, true)); } } ECMA_FINALIZE (new_array_value); ECMA_FINALIZE (put_value); ecma_deref_ecma_string (last_index_string_p); ecma_deref_ecma_string (index_zero_string_p); ecma_dealloc_number (zero_number_p); } ECMA_FINALIZE (global_value); ecma_deref_ecma_string (global_string_p); ecma_free_value (regexp_value, true); } ECMA_FINALIZE (this_to_string_value); ECMA_FINALIZE (this_check_coercible_value); return ret_value; } /* ecma_builtin_string_prototype_object_match */
/** * [[Call]] implementation for Function objects, * created through 13.2 (ECMA_OBJECT_TYPE_FUNCTION) * or 15.3.4.5 (ECMA_OBJECT_TYPE_BOUND_FUNCTION), * and for built-in Function objects * from section 15 (ECMA_OBJECT_TYPE_FUNCTION). * * @return ecma value * Returned value must be freed with ecma_free_value */ ecma_value_t ecma_op_function_has_instance (ecma_object_t *func_obj_p, /**< Function object */ ecma_value_t value) /**< argument 'V' */ { JERRY_ASSERT (func_obj_p != NULL && !ecma_is_lexical_environment (func_obj_p)); ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); if (ecma_get_object_type (func_obj_p) == ECMA_OBJECT_TYPE_FUNCTION) { if (ecma_get_object_is_builtin (func_obj_p) && ecma_builtin_function_is_routine (func_obj_p)) { return ecma_raise_type_error (ECMA_ERR_MSG ("Function parameter cannot be built-in a function.")); } if (!ecma_is_value_object (value)) { return ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE); } ecma_object_t *v_obj_p = ecma_get_object_from_value (value); ecma_string_t *prototype_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_PROTOTYPE); ECMA_TRY_CATCH (prototype_obj_value, ecma_op_object_get (func_obj_p, prototype_magic_string_p), ret_value); if (!ecma_is_value_object (prototype_obj_value)) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Expected an object.")); } else { ecma_object_t *prototype_obj_p = ecma_get_object_from_value (prototype_obj_value); JERRY_ASSERT (prototype_obj_p != NULL); do { v_obj_p = ecma_get_object_prototype (v_obj_p); if (v_obj_p == NULL) { ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE); break; } else if (v_obj_p == prototype_obj_p) { ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE); break; } } while (true); } ECMA_FINALIZE (prototype_obj_value); ecma_deref_ecma_string (prototype_magic_string_p); } else if (ecma_get_object_type (func_obj_p) == ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Expected a function.")); } else { JERRY_ASSERT (ecma_get_object_type (func_obj_p) == ECMA_OBJECT_TYPE_BOUND_FUNCTION); /* 1. */ ecma_extended_object_t *ext_function_p = (ecma_extended_object_t *) func_obj_p; ecma_object_t *target_func_obj_p; target_func_obj_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t, ext_function_p->u.bound_function.target_function); /* 3. */ ret_value = ecma_op_object_has_instance (target_func_obj_p, value); } return ret_value; } /* ecma_op_function_has_instance */
/** * [[Call]] implementation for Function objects, * created through 13.2 (ECMA_OBJECT_TYPE_FUNCTION) * or 15.3.4.5 (ECMA_OBJECT_TYPE_BOUND_FUNCTION), * and for built-in Function objects * from section 15 (ECMA_OBJECT_TYPE_BUILT_IN_FUNCTION). * * @return completion value * Returned value must be freed with ecma_free_completion_value */ ecma_completion_value_t ecma_op_function_has_instance (ecma_object_t *func_obj_p, /**< Function object */ ecma_value_t value) /**< argument 'V' */ { JERRY_ASSERT (func_obj_p != NULL && !ecma_is_lexical_environment (func_obj_p)); ecma_completion_value_t ret_value = ecma_make_empty_completion_value (); if (ecma_get_object_type (func_obj_p) == ECMA_OBJECT_TYPE_FUNCTION) { if (!ecma_is_value_object (value)) { return ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_FALSE); } ecma_object_t* v_obj_p = ecma_get_object_from_value (value); ecma_string_t *prototype_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_PROTOTYPE); ECMA_TRY_CATCH (prototype_obj_value, ecma_op_object_get (func_obj_p, prototype_magic_string_p), ret_value); if (!ecma_is_value_object (prototype_obj_value)) { ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE)); } else { ecma_object_t *prototype_obj_p = ecma_get_object_from_value (prototype_obj_value); JERRY_ASSERT (prototype_obj_p != NULL); do { v_obj_p = ecma_get_object_prototype (v_obj_p); if (v_obj_p == NULL) { ret_value = ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_FALSE); break; } else if (v_obj_p == prototype_obj_p) { ret_value = ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_TRUE); break; } } while (true); } ECMA_FINALIZE (prototype_obj_value); ecma_deref_ecma_string (prototype_magic_string_p); } else if (ecma_get_object_type (func_obj_p) == ECMA_OBJECT_TYPE_BUILT_IN_FUNCTION) { ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE)); } else { JERRY_ASSERT (ecma_get_object_type (func_obj_p) == ECMA_OBJECT_TYPE_BOUND_FUNCTION); /* 1. */ ecma_property_t *target_function_prop_p; target_function_prop_p = ecma_get_internal_property (func_obj_p, ECMA_INTERNAL_PROPERTY_BOUND_FUNCTION_TARGET_FUNCTION); ecma_object_t *target_func_obj_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, target_function_prop_p->u.internal_property.value); /* 3. */ ret_value = ecma_op_object_has_instance (target_func_obj_p, value); } return ret_value; } /* ecma_op_function_has_instance */
/** * GetValue operation part (object base). * * See also: ECMA-262 v5, 8.7.1, section 4 * * @return ecma value * Returned value must be freed with ecma_free_value. */ ecma_value_t ecma_op_get_value_object_base (ecma_reference_t ref) /**< ECMA-reference */ { const ecma_value_t base = ref.base; const bool is_unresolvable_reference = ecma_is_value_undefined (base); const bool has_primitive_base = (ecma_is_value_boolean (base) || ecma_is_value_number (base) || ecma_is_value_string (base)); const bool has_object_base = (ecma_is_value_object (base) && !(ecma_is_lexical_environment (ecma_get_object_from_value (base)))); const bool is_property_reference = has_primitive_base || has_object_base; JERRY_ASSERT (!is_unresolvable_reference); JERRY_ASSERT (is_property_reference); ecma_string_t *referenced_name_p = ECMA_GET_NON_NULL_POINTER (ecma_string_t, ref.referenced_name_cp); // 4.a if (!has_primitive_base) { // 4.b case 1 ecma_object_t *obj_p = ecma_get_object_from_value (base); JERRY_ASSERT (obj_p != NULL && !ecma_is_lexical_environment (obj_p)); return ecma_op_object_get (obj_p, referenced_name_p); } else { // 4.b case 2 ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); // 1. ECMA_TRY_CATCH (obj_base, ecma_op_to_object (base), ret_value); ecma_object_t *obj_p = ecma_get_object_from_value (obj_base); JERRY_ASSERT (obj_p != NULL && !ecma_is_lexical_environment (obj_p)); // 2. ecma_property_t *prop_p = ecma_op_object_get_property (obj_p, referenced_name_p); if (prop_p == NULL) { // 3. ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED); } else if (prop_p->flags & ECMA_PROPERTY_FLAG_NAMEDDATA) { // 4. ret_value = ecma_copy_value (ecma_get_named_data_property_value (prop_p), true); } else { // 5. JERRY_ASSERT (prop_p->flags & ECMA_PROPERTY_FLAG_NAMEDACCESSOR); ecma_object_t *obj_p = ecma_get_named_accessor_property_getter (prop_p); // 6. if (obj_p == NULL) { ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED); } else { // 7. ret_value = ecma_op_function_call (obj_p, base, NULL, 0); } } ECMA_FINALIZE (obj_base); return ret_value; } } /* ecma_op_get_value_object_base */
/** * The Function.prototype object's 'apply' routine * * See also: * ECMA-262 v5, 15.3.4.3 * * @return completion value * Returned value must be freed with ecma_free_completion_value. */ static ecma_completion_value_t ecma_builtin_function_prototype_object_apply (ecma_value_t this_arg, /**< this argument */ ecma_value_t arg1, /**< first argument */ ecma_value_t arg2) /**< second argument */ { ecma_completion_value_t ret_value = ecma_make_empty_completion_value (); /* 1. */ if (!ecma_op_is_callable (this_arg)) { ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE)); } else { ecma_object_t *func_obj_p = ecma_get_object_from_value (this_arg); /* 2. */ if (ecma_is_value_null (arg2) || ecma_is_value_undefined (arg2)) { ret_value = ecma_op_function_call (func_obj_p, arg1, NULL); } else { /* 3. */ if (!ecma_is_value_object (arg2)) { ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE)); } else { ecma_object_t *obj_p = ecma_get_object_from_value (arg2); ecma_string_t *length_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_LENGTH); /* 4. */ ECMA_TRY_CATCH (length_value, ecma_op_object_get (obj_p, length_magic_string_p), ret_value); ECMA_OP_TO_NUMBER_TRY_CATCH (length_number, length_value, ret_value); /* 5. */ const uint32_t length = ecma_number_to_uint32 (length_number); /* 6. */ ecma_collection_header_t *arg_collection_p = ecma_new_values_collection (NULL, 0, true); /* 7. */ for (uint32_t index = 0; index < length && ecma_is_completion_value_empty (ret_value); index++) { ecma_string_t *curr_idx_str_p = ecma_new_ecma_string_from_uint32 (index); ECMA_TRY_CATCH (get_value, ecma_op_object_get (obj_p, curr_idx_str_p), ret_value); ecma_append_to_values_collection (arg_collection_p, get_value, true); ECMA_FINALIZE (get_value); ecma_deref_ecma_string (curr_idx_str_p); } JERRY_ASSERT (arg_collection_p->unit_number == length || !ecma_is_completion_value_empty (ret_value)); if (ecma_is_completion_value_empty (ret_value)) { ret_value = ecma_op_function_call (func_obj_p, arg1, arg_collection_p); } ecma_free_values_collection (arg_collection_p, true); ECMA_OP_TO_NUMBER_FINALIZE (length_number); ECMA_FINALIZE (length_value); ecma_deref_ecma_string (length_magic_string_p); } } } return ret_value; } /* ecma_builtin_function_prototype_object_apply */
/** * The Function.prototype object's 'bind' routine * * See also: * ECMA-262 v5, 15.3.4.5 * * @return ecma value * Returned value must be freed with ecma_free_value. */ static ecma_value_t ecma_builtin_function_prototype_object_bind (ecma_value_t this_arg, /**< this argument */ const ecma_value_t *arguments_list_p, /**< list of arguments */ ecma_length_t arguments_number) /**< number of arguments */ { ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); /* 2. */ if (!ecma_op_is_callable (this_arg)) { ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("")); } else { /* 4. 11. 18. */ ecma_object_t *prototype_obj_p = ecma_builtin_get (ECMA_BUILTIN_ID_FUNCTION_PROTOTYPE); ecma_object_t *function_p = ecma_create_object (prototype_obj_p, false, true, ECMA_OBJECT_TYPE_BOUND_FUNCTION); ecma_deref_object (prototype_obj_p); /* 7. */ ecma_value_t *target_function_prop_p; target_function_prop_p = ecma_create_internal_property (function_p, ECMA_INTERNAL_PROPERTY_BOUND_FUNCTION_TARGET_FUNCTION); ecma_object_t *this_arg_obj_p = ecma_get_object_from_value (this_arg); ECMA_SET_INTERNAL_VALUE_POINTER (*target_function_prop_p, this_arg_obj_p); /* 8. */ ecma_value_t *bound_this_prop_p; bound_this_prop_p = ecma_create_internal_property (function_p, ECMA_INTERNAL_PROPERTY_BOUND_FUNCTION_BOUND_THIS); const ecma_length_t arg_count = arguments_number; if (arg_count > 0) { *bound_this_prop_p = ecma_copy_value_if_not_object (arguments_list_p[0]); } else { *bound_this_prop_p = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED); } if (arg_count > 1) { ecma_collection_header_t *bound_args_collection_p; bound_args_collection_p = ecma_new_values_collection (&arguments_list_p[1], arg_count - 1, false); ecma_value_t *bound_args_prop_p; bound_args_prop_p = ecma_create_internal_property (function_p, ECMA_INTERNAL_PROPERTY_BOUND_FUNCTION_BOUND_ARGS); ECMA_SET_INTERNAL_VALUE_POINTER (*bound_args_prop_p, bound_args_collection_p); } /* * [[Class]] property is not stored explicitly for objects of ECMA_OBJECT_TYPE_FUNCTION type. * * See also: ecma_object_get_class_name */ /* 16. */ ecma_number_t length = ECMA_NUMBER_ZERO; ecma_string_t *magic_string_length_p = ecma_new_ecma_length_string (); /* 15. */ if (ecma_object_get_class_name (this_arg_obj_p) == LIT_MAGIC_STRING_FUNCTION_UL) { ecma_value_t get_len_value = ecma_op_object_get (this_arg_obj_p, magic_string_length_p); JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (get_len_value)); JERRY_ASSERT (ecma_is_value_number (get_len_value)); const ecma_length_t bound_arg_count = arg_count > 1 ? arg_count - 1 : 0; /* 15.a */ length = ecma_get_number_from_value (get_len_value) - ((ecma_number_t) bound_arg_count); ecma_free_value (get_len_value); /* 15.b */ if (ecma_number_is_negative (length)) { length = ECMA_NUMBER_ZERO; } } /* 17. */ ecma_value_t completion = ecma_builtin_helper_def_prop (function_p, magic_string_length_p, ecma_make_number_value (length), false, /* Writable */ false, /* Enumerable */ false, /* Configurable */ false); /* Failure handling */ JERRY_ASSERT (ecma_is_value_boolean (completion)); ecma_deref_ecma_string (magic_string_length_p); /* 19-21. */ ecma_object_t *thrower_p = ecma_builtin_get (ECMA_BUILTIN_ID_TYPE_ERROR_THROWER); ecma_property_descriptor_t prop_desc = ecma_make_empty_property_descriptor (); { prop_desc.is_enumerable_defined = true; prop_desc.is_enumerable = false; prop_desc.is_configurable_defined = true; prop_desc.is_configurable = false; prop_desc.is_get_defined = true; prop_desc.get_p = thrower_p; prop_desc.is_set_defined = true; prop_desc.set_p = thrower_p; } ecma_string_t *magic_string_caller_p = ecma_get_magic_string (LIT_MAGIC_STRING_CALLER); completion = ecma_op_object_define_own_property (function_p, magic_string_caller_p, &prop_desc, false); JERRY_ASSERT (ecma_is_value_boolean (completion)); ecma_deref_ecma_string (magic_string_caller_p); ecma_string_t *magic_string_arguments_p = ecma_get_magic_string (LIT_MAGIC_STRING_ARGUMENTS); completion = ecma_op_object_define_own_property (function_p, magic_string_arguments_p, &prop_desc, false); JERRY_ASSERT (ecma_is_value_boolean (completion)); ecma_deref_ecma_string (magic_string_arguments_p); ecma_deref_object (thrower_p); /* 22. */ ret_value = ecma_make_object_value (function_p); } return ret_value; } /* ecma_builtin_function_prototype_object_bind */
/** * The Error.prototype object's 'toString' routine * * See also: * ECMA-262 v5, 15.11.4.4 * * @return completion value * Returned value must be freed with ecma_free_completion_value. */ static ecma_completion_value_t ecma_builtin_error_prototype_object_to_string (ecma_value_t this_arg) /**< this argument */ { ecma_completion_value_t ret_value = ecma_make_empty_completion_value (); // 2. if (!ecma_is_value_object (this_arg)) { ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE)); } else { ecma_object_t *obj_p = ecma_get_object_from_value (this_arg); ecma_string_t *name_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_NAME); ECMA_TRY_CATCH (name_get_ret_value, ecma_op_object_get (obj_p, name_magic_string_p), ret_value); ecma_completion_value_t name_to_str_completion; if (ecma_is_value_undefined (name_get_ret_value)) { ecma_string_t *error_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_ERROR_UL); name_to_str_completion = ecma_make_normal_completion_value (ecma_make_string_value (error_magic_string_p)); } else { name_to_str_completion = ecma_op_to_string (name_get_ret_value); } if (unlikely (!ecma_is_completion_value_normal (name_to_str_completion))) { ret_value = ecma_copy_completion_value (name_to_str_completion); } else { ecma_string_t *message_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_MESSAGE); ECMA_TRY_CATCH (msg_get_ret_value, ecma_op_object_get (obj_p, message_magic_string_p), ret_value); ecma_completion_value_t msg_to_str_completion; if (ecma_is_value_undefined (msg_get_ret_value)) { ecma_string_t *empty_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY); msg_to_str_completion = ecma_make_normal_completion_value (ecma_make_string_value (empty_magic_string_p)); } else { msg_to_str_completion = ecma_op_to_string (msg_get_ret_value); } if (unlikely (!ecma_is_completion_value_normal (msg_to_str_completion))) { ret_value = ecma_copy_completion_value (msg_to_str_completion); } else { ecma_string_t *name_string_p = ecma_get_string_from_completion_value (name_to_str_completion); ecma_string_t *msg_string_p = ecma_get_string_from_completion_value (msg_to_str_completion); ecma_string_t *ret_str_p; if (ecma_string_get_length (name_string_p) == 0) { ret_str_p = ecma_copy_or_ref_ecma_string (msg_string_p); } else if (ecma_string_get_length (msg_string_p) == 0) { ret_str_p = ecma_copy_or_ref_ecma_string (name_string_p); } else { const lit_utf8_size_t size = (ecma_string_get_size (name_string_p) + ecma_string_get_size (msg_string_p) + lit_get_magic_string_size (LIT_MAGIC_STRING_COLON_CHAR) + lit_get_magic_string_size (LIT_MAGIC_STRING_SPACE_CHAR)); const ssize_t buffer_size = (ssize_t) size; ssize_t buffer_size_left = buffer_size; MEM_DEFINE_LOCAL_ARRAY (ret_str_buffer, buffer_size, lit_utf8_byte_t); lit_utf8_byte_t *ret_str_buffer_p = ret_str_buffer; ssize_t bytes = ecma_string_to_utf8_string (name_string_p, ret_str_buffer_p, buffer_size_left); JERRY_ASSERT (bytes >= 0 && buffer_size_left - bytes >= 0); buffer_size_left -= bytes; ret_str_buffer_p = ret_str_buffer + buffer_size - buffer_size_left; ret_str_buffer_p = lit_copy_magic_string_to_buffer (LIT_MAGIC_STRING_COLON_CHAR, ret_str_buffer_p, buffer_size_left); buffer_size_left = buffer_size - (ret_str_buffer_p - ret_str_buffer); JERRY_ASSERT (buffer_size_left >= 0); ret_str_buffer_p = lit_copy_magic_string_to_buffer (LIT_MAGIC_STRING_SPACE_CHAR, ret_str_buffer_p, buffer_size_left); buffer_size_left = buffer_size - (ret_str_buffer_p - ret_str_buffer); JERRY_ASSERT (buffer_size_left >= 0); bytes = ecma_string_to_utf8_string (msg_string_p, ret_str_buffer_p, buffer_size_left); JERRY_ASSERT (bytes >= 0 && buffer_size_left - bytes >= 0); buffer_size_left -= bytes; JERRY_ASSERT (buffer_size_left >= 0); ret_str_p = ecma_new_ecma_string_from_utf8 (ret_str_buffer, (jerry_api_size_t) (buffer_size - buffer_size_left)); MEM_FINALIZE_LOCAL_ARRAY (ret_str_buffer); } ret_value = ecma_make_normal_completion_value (ecma_make_string_value (ret_str_p)); } ecma_free_completion_value (msg_to_str_completion); ECMA_FINALIZE (msg_get_ret_value); ecma_deref_ecma_string (message_magic_string_p); } ecma_free_completion_value (name_to_str_completion); ECMA_FINALIZE (name_get_ret_value); ecma_deref_ecma_string (name_magic_string_p); } return ret_value; } /* ecma_builtin_error_prototype_object_to_string */
/** * Helper function for concatenating an ecma_value_t to an Array. * * See also: * ECMA-262 v5, 15.4.4.4 steps 5.b - 5.c * * Used by: * - The Array.prototype.concat routine. * * @return completion value * Returned value must be freed with ecma_free_completion_value. */ ecma_completion_value_t ecma_builtin_helper_array_concat_value (ecma_object_t *obj_p, /**< array */ uint32_t *length_p, /**< in-out: array's length */ ecma_value_t value) /**< value to concat */ { ecma_completion_value_t ret_value = ecma_make_empty_completion_value (); /* 5.b */ if (ecma_is_value_object (value) && (ecma_object_get_class_name (ecma_get_object_from_value (value)) == LIT_MAGIC_STRING_ARRAY_UL)) { ecma_string_t *magic_string_length_p = ecma_get_magic_string (LIT_MAGIC_STRING_LENGTH); /* 5.b.ii */ ECMA_TRY_CATCH (arg_len_value, ecma_op_object_get (ecma_get_object_from_value (value), magic_string_length_p), ret_value); ECMA_OP_TO_NUMBER_TRY_CATCH (arg_len_number, arg_len_value, ret_value); uint32_t arg_len = ecma_number_to_uint32 (arg_len_number); /* 5.b.iii */ for (uint32_t array_index = 0; array_index < arg_len && ecma_is_completion_value_empty (ret_value); array_index++) { ecma_string_t *array_index_string_p = ecma_new_ecma_string_from_uint32 (array_index); /* 5.b.iii.2 */ if (ecma_op_object_get_property (ecma_get_object_from_value (value), array_index_string_p) != NULL) { ecma_string_t *new_array_index_string_p = ecma_new_ecma_string_from_uint32 (*length_p + array_index); /* 5.b.iii.3.a */ ECMA_TRY_CATCH (get_value, ecma_op_object_get (ecma_get_object_from_value (value), array_index_string_p), ret_value); ecma_property_descriptor_t prop_desc = ecma_make_empty_property_descriptor (); { prop_desc.is_value_defined = true; prop_desc.value = get_value; prop_desc.is_writable_defined = true; prop_desc.is_writable = true; prop_desc.is_enumerable_defined = true; prop_desc.is_enumerable = true; prop_desc.is_configurable_defined = true; prop_desc.is_configurable = true; } /* 5.b.iii.3.b */ /* This will always be a simple value since 'is_throw' is false, so no need to free. */ ecma_completion_value_t put_comp = ecma_op_object_define_own_property (obj_p, new_array_index_string_p, &prop_desc, false); JERRY_ASSERT (ecma_is_completion_value_normal_true (put_comp)); ECMA_FINALIZE (get_value); ecma_deref_ecma_string (new_array_index_string_p); } ecma_deref_ecma_string (array_index_string_p); } *length_p += arg_len; ECMA_OP_TO_NUMBER_FINALIZE (arg_len_number); ECMA_FINALIZE (arg_len_value); ecma_deref_ecma_string (magic_string_length_p); } else { ecma_string_t *new_array_index_string_p = ecma_new_ecma_string_from_uint32 ((*length_p)++); ecma_property_descriptor_t prop_desc = ecma_make_empty_property_descriptor (); { prop_desc.is_value_defined = true; prop_desc.value = value; prop_desc.is_writable_defined = true; prop_desc.is_writable = true; prop_desc.is_enumerable_defined = true; prop_desc.is_enumerable = true; prop_desc.is_configurable_defined = true; prop_desc.is_configurable = true; } /* 5.c.i */ /* This will always be a simple value since 'is_throw' is false, so no need to free. */ ecma_completion_value_t put_comp = ecma_op_object_define_own_property (obj_p, new_array_index_string_p, &prop_desc, false); JERRY_ASSERT (ecma_is_completion_value_normal_true (put_comp)); ecma_deref_ecma_string (new_array_index_string_p); } if (ecma_is_completion_value_empty (ret_value)) { ret_value = ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_TRUE); } return ret_value; } /* ecma_builtin_helper_array_concat_value */
/** * Helper function for concatenating an ecma_value_t to an Array. * * See also: * ECMA-262 v5, 15.4.4.4 steps 5.b - 5.c * * Used by: * - The Array.prototype.concat routine. * * @return ecma value * Returned value must be freed with ecma_free_value. */ ecma_value_t ecma_builtin_helper_array_concat_value (ecma_object_t *obj_p, /**< array */ uint32_t *length_p, /**< [in,out] array's length */ ecma_value_t value) /**< value to concat */ { ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); /* 5.b */ if (ecma_is_value_object (value) && (ecma_object_get_class_name (ecma_get_object_from_value (value)) == LIT_MAGIC_STRING_ARRAY_UL)) { ecma_string_t *magic_string_length_p = ecma_new_ecma_length_string (); /* 5.b.ii */ ECMA_TRY_CATCH (arg_len_value, ecma_op_object_get (ecma_get_object_from_value (value), magic_string_length_p), ret_value); ECMA_OP_TO_NUMBER_TRY_CATCH (arg_len_number, arg_len_value, ret_value); uint32_t arg_len = ecma_number_to_uint32 (arg_len_number); /* 5.b.iii */ for (uint32_t array_index = 0; array_index < arg_len && ecma_is_value_empty (ret_value); array_index++) { ecma_string_t *array_index_string_p = ecma_new_ecma_string_from_uint32 (array_index); /* 5.b.iii.2 */ if (ecma_op_object_get_property (ecma_get_object_from_value (value), array_index_string_p) != NULL) { ecma_string_t *new_array_index_string_p = ecma_new_ecma_string_from_uint32 (*length_p + array_index); /* 5.b.iii.3.a */ ECMA_TRY_CATCH (get_value, ecma_op_object_get (ecma_get_object_from_value (value), array_index_string_p), ret_value); /* 5.b.iii.3.b */ /* This will always be a simple value since 'is_throw' is false, so no need to free. */ ecma_value_t put_comp = ecma_builtin_helper_def_prop (obj_p, new_array_index_string_p, get_value, true, /* Writable */ true, /* Enumerable */ true, /* Configurable */ false); /* Failure handling */ JERRY_ASSERT (ecma_is_value_true (put_comp)); ECMA_FINALIZE (get_value); ecma_deref_ecma_string (new_array_index_string_p); } ecma_deref_ecma_string (array_index_string_p); } *length_p += arg_len; ECMA_OP_TO_NUMBER_FINALIZE (arg_len_number); ECMA_FINALIZE (arg_len_value); ecma_deref_ecma_string (magic_string_length_p); } else { ecma_string_t *new_array_index_string_p = ecma_new_ecma_string_from_uint32 ((*length_p)++); /* 5.c.i */ /* This will always be a simple value since 'is_throw' is false, so no need to free. */ ecma_value_t put_comp = ecma_builtin_helper_def_prop (obj_p, new_array_index_string_p, value, true, /* Writable */ true, /* Enumerable */ true, /* Configurable */ false); /* Failure handling */ JERRY_ASSERT (ecma_is_value_true (put_comp)); ecma_deref_ecma_string (new_array_index_string_p); } if (ecma_is_value_empty (ret_value)) { ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE); } return ret_value; } /* ecma_builtin_helper_array_concat_value */