mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
329 lines
12 KiB
C
329 lines
12 KiB
C
/* Copyright 2014-2015 Samsung Electronics Co., Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef BUILTIN_UNDERSCORED_ID
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# error "Please, define BUILTIN_UNDERSCORED_ID"
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#endif /* !BUILTIN_UNDERSCORED_ID */
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#ifndef BUILTIN_INC_HEADER_NAME
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# error "Please, define BUILTIN_INC_HEADER_NAME"
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#endif /* !BUILTIN_INC_HEADER_NAME */
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#define PASTE__(x, y) x ## y
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#define PASTE_(x, y) PASTE__ (x, y)
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#define PASTE(x, y) PASTE_ (x, y)
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#define SORT_PROPERTY_NAMES_ROUTINE_NAME(builtin_underscored_id) \
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PASTE (PASTE (ecma_builtin_, builtin_underscored_id), _sort_property_names)
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#define TRY_TO_INSTANTIATE_PROPERTY_ROUTINE_NAME(builtin_underscored_id) \
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PASTE (PASTE (ecma_builtin_, builtin_underscored_id), _try_to_instantiate_property)
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#define DISPATCH_ROUTINE_ROUTINE_NAME(builtin_underscored_id) \
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PASTE (PASTE (ecma_builtin_, builtin_underscored_id), _dispatch_routine)
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#define ROUTINE_ARG(n) , ecma_value_t arg ## n
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#define ROUTINE_ARG_LIST_0 ecma_value_t this_arg
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#define ROUTINE_ARG_LIST_1 ROUTINE_ARG_LIST_0 ROUTINE_ARG(1)
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#define ROUTINE_ARG_LIST_2 ROUTINE_ARG_LIST_1 ROUTINE_ARG(2)
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#define ROUTINE_ARG_LIST_3 ROUTINE_ARG_LIST_2 ROUTINE_ARG(3)
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#define ROUTINE_ARG_LIST_NON_FIXED ROUTINE_ARG_LIST_0, \
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const ecma_value_t *arguments_list_p, ecma_length_t arguments_list_len
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#define ROUTINE(name, c_function_name, args_number, length_prop_value) \
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static ecma_completion_value_t c_function_name (ROUTINE_ARG_LIST_ ## args_number);
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#include BUILTIN_INC_HEADER_NAME
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#undef ROUTINE_ARG_LIST_NON_FIXED
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#undef ROUTINE_ARG_LIST_3
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#undef ROUTINE_ARG_LIST_2
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#undef ROUTINE_ARG_LIST_1
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#undef ROUTINE_ARG_LIST_0
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#undef ROUTINE_ARG
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static lit_magic_string_id_t ecma_builtin_property_names[] =
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{
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#define SIMPLE_VALUE(name, obj_getter, prop_writable, prop_enumerable, prop_configurable) name,
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#define NUMBER_VALUE(name, obj_getter, prop_writable, prop_enumerable, prop_configurable) name,
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#define STRING_VALUE(name, obj_getter, prop_writable, prop_enumerable, prop_configurable) name,
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#define CP_UNIMPLEMENTED_VALUE(name, obj_getter, prop_writable, prop_enumerable, prop_configurable) name,
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#define OBJECT_VALUE(name, obj_getter, prop_writable, prop_enumerable, prop_configurable) name,
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#define ROUTINE(name, c_function_name, args_number, length_prop_value) name,
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#include BUILTIN_INC_HEADER_NAME
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};
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/**
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* Sort builtin's property names array
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*/
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void
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SORT_PROPERTY_NAMES_ROUTINE_NAME (BUILTIN_UNDERSCORED_ID) (void)
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{
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bool swapped;
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do
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{
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swapped = false;
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for (ecma_length_t i = 1;
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i < (sizeof (ecma_builtin_property_names) / sizeof (ecma_builtin_property_names[0]));
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i++)
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{
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if (ecma_builtin_property_names[i] < ecma_builtin_property_names[i - 1])
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{
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lit_magic_string_id_t id_temp = ecma_builtin_property_names[i - 1];
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ecma_builtin_property_names[i - 1] = ecma_builtin_property_names[i];
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ecma_builtin_property_names[i] = id_temp;
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swapped = true;
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}
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}
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}
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while (swapped);
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} /* SORT_PROPERTY_NAMES_ROUTINE_NAME */
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/**
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* If the property's name is one of built-in properties of the built-in object
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* that is not instantiated yet, instantiate the property and
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* return pointer to the instantiated property.
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*
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* @return pointer property, if one was instantiated,
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* NULL - otherwise.
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*/
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ecma_property_t*
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TRY_TO_INSTANTIATE_PROPERTY_ROUTINE_NAME (BUILTIN_UNDERSCORED_ID) (ecma_object_t *obj_p, /**< object */
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ecma_string_t *prop_name_p) /**< property's name */
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{
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#define OBJECT_ID(builtin_id) const ecma_builtin_id_t builtin_object_id = builtin_id;
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#include BUILTIN_INC_HEADER_NAME
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JERRY_ASSERT (ecma_builtin_is (obj_p, builtin_object_id));
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JERRY_ASSERT (ecma_find_named_property (obj_p, prop_name_p) == NULL);
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lit_magic_string_id_t id;
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if (!ecma_is_string_magic (prop_name_p, &id))
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{
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return NULL;
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}
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const ecma_length_t property_numbers = (ecma_length_t) (sizeof (ecma_builtin_property_names) /
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sizeof (ecma_builtin_property_names[0]));
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int32_t index;
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index = ecma_builtin_bin_search_for_magic_string_id_in_array (ecma_builtin_property_names,
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property_numbers,
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id);
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if (index == -1)
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{
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return NULL;
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}
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JERRY_ASSERT (index >= 0 && (uint32_t) index < sizeof (uint64_t) * JERRY_BITSINBYTE);
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uint32_t bit;
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ecma_internal_property_id_t mask_prop_id;
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if (index >= 32)
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{
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mask_prop_id = ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_32_63;
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bit = (uint32_t) 1u << (index - 32);
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}
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else
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{
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mask_prop_id = ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_0_31;
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bit = (uint32_t) 1u << index;
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}
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ecma_property_t *mask_prop_p = ecma_find_internal_property (obj_p, mask_prop_id);
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if (mask_prop_p == NULL)
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{
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mask_prop_p = ecma_create_internal_property (obj_p, mask_prop_id);
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mask_prop_p->u.internal_property.value = 0;
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}
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uint32_t bit_mask = mask_prop_p->u.internal_property.value;
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if (bit_mask & bit)
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{
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return NULL;
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}
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bit_mask |= bit;
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mask_prop_p->u.internal_property.value = bit_mask;
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ecma_value_t value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
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ecma_property_writable_value_t writable;
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ecma_property_enumerable_value_t enumerable;
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ecma_property_configurable_value_t configurable;
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switch (id)
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{
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JERRY_ASSERT ((uint16_t) id == id);
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#define ROUTINE(name, c_function_name, args_number, length_prop_value) case name: \
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{ \
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ecma_object_t *func_obj_p = ecma_builtin_make_function_object_for_routine (builtin_object_id, \
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id, \
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length_prop_value); \
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\
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writable = ECMA_PROPERTY_WRITABLE; \
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enumerable = ECMA_PROPERTY_NOT_ENUMERABLE; \
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configurable = ECMA_PROPERTY_CONFIGURABLE; \
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\
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value = ecma_make_object_value (func_obj_p); \
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\
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break; \
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}
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#define OBJECT_VALUE(name, obj_getter, prop_writable, prop_enumerable, prop_configurable) case name: \
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{ \
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value = ecma_make_object_value (obj_getter); \
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writable = prop_writable; \
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enumerable = prop_enumerable; \
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configurable = prop_configurable; \
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break; \
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}
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#define SIMPLE_VALUE(name, simple_value, prop_writable, prop_enumerable, prop_configurable) case name: \
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{ \
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value = ecma_make_simple_value (simple_value); \
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\
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writable = prop_writable; \
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enumerable = prop_enumerable; \
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configurable = prop_configurable; \
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\
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break; \
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}
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#define NUMBER_VALUE(name, number_value, prop_writable, prop_enumerable, prop_configurable) case name: \
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{ \
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ecma_number_t *num_p = ecma_alloc_number (); \
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*num_p = number_value; \
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\
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value = ecma_make_number_value (num_p); \
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\
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writable = prop_writable; \
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enumerable = prop_enumerable; \
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configurable = prop_configurable; \
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\
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break; \
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}
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#define STRING_VALUE(name, magic_string_id, prop_writable, prop_enumerable, prop_configurable) case name: \
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{ \
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ecma_string_t *magic_string_p = ecma_get_magic_string (magic_string_id); \
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\
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value = ecma_make_string_value (magic_string_p); \
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\
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writable = prop_writable; \
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enumerable = prop_enumerable; \
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configurable = prop_configurable; \
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\
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break; \
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}
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#ifdef CONFIG_ECMA_COMPACT_PROFILE
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#define CP_UNIMPLEMENTED_VALUE(name, value, prop_writable, prop_enumerable, prop_configurable) case name: \
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{ \
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/* The object throws CompactProfileError upon invocation */ \
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ecma_object_t *get_set_p = ecma_builtin_get (ECMA_BUILTIN_ID_COMPACT_PROFILE_ERROR); \
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ecma_property_t *compact_profile_thrower_property_p = ecma_create_named_accessor_property (obj_p, \
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prop_name_p, \
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get_set_p, \
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get_set_p, \
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true, \
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false); \
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ecma_deref_object (get_set_p); \
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\
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return compact_profile_thrower_property_p; \
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}
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#else /* CONFIG_ECMA_COMPACT_PROFILE */
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#define CP_UNIMPLEMENTED_VALUE(name, value, prop_writable, prop_enumerable, prop_configurable) case name: \
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{ \
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JERRY_UNIMPLEMENTED ("The built-in is not implemented."); \
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}
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#endif /* CONFIG_ECMA_COMPACT_PROFILE */
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#include BUILTIN_INC_HEADER_NAME
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default:
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{
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JERRY_UNREACHABLE ();
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}
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}
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ecma_property_t *prop_p = ecma_create_named_data_property (obj_p,
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prop_name_p,
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writable,
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enumerable,
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configurable);
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ecma_named_data_property_assign_value (obj_p, prop_p, value);
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ecma_free_value (value, true);
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return prop_p;
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} /* TRY_TO_INSTANTIATE_PROPERTY_ROUTINE_NAME */
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/**
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* Dispatcher of the built-in's routines
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*
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* @return completion-value
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* Returned value must be freed with ecma_free_completion_value.
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*/
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ecma_completion_value_t
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DISPATCH_ROUTINE_ROUTINE_NAME (BUILTIN_UNDERSCORED_ID) (uint16_t builtin_routine_id, /**< built-in wide routine
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identifier */
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ecma_value_t this_arg_value, /**< 'this' argument
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value */
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const ecma_value_t arguments_list[], /**< list of arguments
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passed to routine */
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ecma_length_t arguments_number) /**< length of
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arguments' list */
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{
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/* the arguments may be unused for some built-ins */
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(void) this_arg_value;
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(void) arguments_list;
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(void) arguments_number;
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switch (builtin_routine_id)
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{
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#define ROUTINE_ARG(n) (arguments_number >= n ? arguments_list[n - 1] \
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: ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED))
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#define ROUTINE_ARG_LIST_0
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#define ROUTINE_ARG_LIST_1 , ROUTINE_ARG(1)
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#define ROUTINE_ARG_LIST_2 ROUTINE_ARG_LIST_1, ROUTINE_ARG(2)
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#define ROUTINE_ARG_LIST_3 ROUTINE_ARG_LIST_2, ROUTINE_ARG(3)
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#define ROUTINE_ARG_LIST_NON_FIXED , arguments_list, arguments_number
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#define ROUTINE(name, c_function_name, args_number, length_prop_value) \
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case name: \
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{ \
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return c_function_name (this_arg_value ROUTINE_ARG_LIST_ ## args_number); \
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}
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#include BUILTIN_INC_HEADER_NAME
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#undef ROUTINE_ARG_LIST_0
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#undef ROUTINE_ARG_LIST_1
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#undef ROUTINE_ARG_LIST_2
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#undef ROUTINE_ARG_LIST_3
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#undef ROUTINE_ARG_LIST_NON_FIXED
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default:
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{
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JERRY_UNREACHABLE ();
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}
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}
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} /* DISPATCH_ROUTINE_ROUTINE_NAME */
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#undef PASTE__
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#undef PASTE_
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#undef PASTE
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#undef SORT_PROPERTY_NAMES_ROUTINE_NAME
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#undef DISPATCH_ROUTINE_ROUTINE_NAME
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#undef TRY_TO_INSTANTIATE_PROPERTY_ROUTINE_NAME
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#undef BUILTIN_UNDERSCORED_ID
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#undef BUILTIN_INC_HEADER_NAME
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