mirror of
https://github.com/jerryscript-project/jerryscript.git
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303 lines
10 KiB
C
303 lines
10 KiB
C
/* Copyright 2014-2016 Samsung Electronics Co., Ltd.
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* Copyright 2016 University of Szeged
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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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#include "ecma-objects.h"
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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 PROPERTY_DESCRIPTOR_LIST_NAME \
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PASTE (PASTE (ecma_builtin_, BUILTIN_UNDERSCORED_ID), _property_descriptor_list)
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#define LIST_LAZY_PROPERTY_NAMES_ROUTINE_NAME \
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PASTE (PASTE (ecma_builtin_, BUILTIN_UNDERSCORED_ID), _list_lazy_property_names)
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#define DISPATCH_ROUTINE_ROUTINE_NAME \
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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_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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#define ECMA_BUILTIN_PROPERTY_NAMES \
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PASTE (PASTE (ecma_builtin_property_names, _), BUILTIN_UNDERSCORED_ID)
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static const lit_magic_string_id_t ECMA_BUILTIN_PROPERTY_NAMES[] =
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{
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#define SIMPLE_VALUE(name, simple_value, prop_attributes) name,
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#define NUMBER_VALUE(name, number_value, prop_attributes) name,
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#define STRING_VALUE(name, magic_string_id, prop_attributes) name,
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#define OBJECT_VALUE(name, obj_builtin_id, prop_attributes) 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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#define ECMA_BUILTIN_PROPERTY_NAME_INDEX(name) \
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PASTE (PASTE (PASTE (PASTE (ecma_builtin_property_names, _), BUILTIN_UNDERSCORED_ID), _), name)
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enum
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{
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#define SIMPLE_VALUE(name, simple_value, prop_attributes) \
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ECMA_BUILTIN_PROPERTY_NAME_INDEX(name),
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#define NUMBER_VALUE(name, number_value, prop_attributes) \
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ECMA_BUILTIN_PROPERTY_NAME_INDEX(name),
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#define STRING_VALUE(name, magic_string_id, prop_attributes) \
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ECMA_BUILTIN_PROPERTY_NAME_INDEX(name),
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#define OBJECT_VALUE(name, obj_builtin_id, prop_attributes) \
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ECMA_BUILTIN_PROPERTY_NAME_INDEX(name),
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#define ROUTINE(name, c_function_name, args_number, length_prop_value) \
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ECMA_BUILTIN_PROPERTY_NAME_INDEX(name),
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#include BUILTIN_INC_HEADER_NAME
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};
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/**
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* Built-in property list of the built-in object.
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*/
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const ecma_builtin_property_descriptor_t PROPERTY_DESCRIPTOR_LIST_NAME[] =
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{
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#define ROUTINE(name, c_function_name, args_number, length_prop_value) \
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{ \
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name, \
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ECMA_BUILTIN_PROPERTY_ROUTINE, \
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ECMA_PROPERTY_CONFIGURABLE_WRITABLE, \
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length_prop_value \
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},
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#define OBJECT_VALUE(name, obj_builtin_id, prop_attributes) \
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{ \
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name, \
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ECMA_BUILTIN_PROPERTY_OBJECT, \
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prop_attributes, \
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obj_builtin_id \
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},
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#define SIMPLE_VALUE(name, simple_value, prop_attributes) \
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{ \
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name, \
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ECMA_BUILTIN_PROPERTY_SIMPLE, \
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prop_attributes, \
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simple_value \
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},
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#define NUMBER_VALUE(name, number_value, prop_attributes) \
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{ \
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name, \
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ECMA_BUILTIN_PROPERTY_NUMBER, \
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prop_attributes, \
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number_value \
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},
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#define STRING_VALUE(name, magic_string_id, prop_attributes) \
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{ \
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name, \
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ECMA_BUILTIN_PROPERTY_STRING, \
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prop_attributes, \
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magic_string_id \
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},
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#include BUILTIN_INC_HEADER_NAME
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{
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LIT_MAGIC_STRING__COUNT,
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ECMA_BUILTIN_PROPERTY_END,
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0,
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0
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}
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};
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/**
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* List names of the built-in object's lazy instantiated properties
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*
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* See also:
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* TRY_TO_INSTANTIATE_PROPERTY_ROUTINE_NAME
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*
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* @return string values collection
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*/
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void
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LIST_LAZY_PROPERTY_NAMES_ROUTINE_NAME (ecma_object_t *object_p, /**< a built-in object */
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bool separate_enumerable, /**< true - list enumerable properties
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into main collection,
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and non-enumerable to
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collection of 'skipped
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non-enumerable'
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properties,
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false - list all properties into
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main collection. */
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ecma_collection_header_t *main_collection_p, /**< 'main' collection */
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ecma_collection_header_t *non_enum_collection_p) /**< skipped 'non-enumerable'
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collection */
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{
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ecma_collection_header_t *for_enumerable_p = main_collection_p;
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(void) for_enumerable_p;
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ecma_collection_header_t *for_non_enumerable_p = separate_enumerable ? non_enum_collection_p : main_collection_p;
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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 (object_p, builtin_object_id));
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const ecma_length_t properties_number = (ecma_length_t) (sizeof (ECMA_BUILTIN_PROPERTY_NAMES) /
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sizeof (ECMA_BUILTIN_PROPERTY_NAMES[0]));
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for (ecma_length_t index = 0;
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index < properties_number;
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index++)
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{
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lit_magic_string_id_t name = ECMA_BUILTIN_PROPERTY_NAMES[index];
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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 (object_p, mask_prop_id);
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bool is_instantiated = false;
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if (mask_prop_p == NULL)
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{
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is_instantiated = true;
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}
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else
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{
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uint32_t bit_mask = ecma_get_internal_property_value (mask_prop_p);
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if (bit_mask & bit)
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{
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is_instantiated = true;
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}
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else
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{
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is_instantiated = false;
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}
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}
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bool is_existing;
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ecma_string_t *name_p = ecma_get_magic_string (name);
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if (!is_instantiated)
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{
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/* will be instantiated upon first request */
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is_existing = true;
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}
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else
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{
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if (ecma_op_object_get_own_property (object_p, name_p) == NULL)
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{
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is_existing = false;
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}
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else
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{
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is_existing = true;
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}
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}
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if (is_existing)
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{
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ecma_append_to_values_collection (for_non_enumerable_p,
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ecma_make_string_value (name_p),
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true);
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}
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ecma_deref_ecma_string (name_p);
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}
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} /* LIST_LAZY_PROPERTY_NAMES_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 ecma value
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* Returned value must be freed with ecma_free_value.
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*/
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ecma_value_t
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DISPATCH_ROUTINE_ROUTINE_NAME (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
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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 PROPERTY_DESCRIPTOR_LIST_NAME
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#undef LIST_LAZY_PROPERTY_NAMES_ROUTINE_NAME
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#undef DISPATCH_ROUTINE_ROUTINE_NAME
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#undef BUILTIN_UNDERSCORED_ID
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#undef BUILTIN_INC_HEADER_NAME
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#undef ECMA_BUILTIN_PROPERTY_NAMES
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#undef ECMA_BUILTIN_PROPERTY_NAME_INDEX
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