From 897ed2d5c2ff226a52174075f89ccfee4e28c306 Mon Sep 17 00:00:00 2001 From: Ruben Ayrapetyan Date: Fri, 26 Sep 2014 17:47:53 +0400 Subject: [PATCH] Adding stubs for Object.prototype routines. --- .../ecma-builtin-object-prototype-object.c | 392 ++++++++++++++++++ src/libecmabuiltins/ecma-builtins-internal.h | 5 + 2 files changed, 397 insertions(+) create mode 100644 src/libecmabuiltins/ecma-builtin-object-prototype-object.c diff --git a/src/libecmabuiltins/ecma-builtin-object-prototype-object.c b/src/libecmabuiltins/ecma-builtin-object-prototype-object.c new file mode 100644 index 000000000..d96c85e8b --- /dev/null +++ b/src/libecmabuiltins/ecma-builtin-object-prototype-object.c @@ -0,0 +1,392 @@ +/* Copyright 2014 Samsung Electronics Co., Ltd. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "ecma-alloc.h" +#include "ecma-builtins.h" +#include "ecma-conversion.h" +#include "ecma-exceptions.h" +#include "ecma-gc.h" +#include "ecma-globals.h" +#include "ecma-helpers.h" +#include "ecma-objects.h" +#include "ecma-string-object.h" +#include "ecma-try-catch-macro.h" +#include "globals.h" + +#define ECMA_BUILTINS_INTERNAL +#include "ecma-builtins-internal.h" + +/** \addtogroup ecma ECMA + * @{ + * + * \addtogroup ecmabuiltins + * @{ + * + * \addtogroup objectprototype ECMA Object.prototype object built-in + * @{ + */ + +/** + * List of the Object.prototype object built-in object value properties in format 'macro (name, value)'. + */ +#define ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_OBJECT_VALUES_PROPERTY_LIST(macro) \ + macro (ECMA_MAGIC_STRING_CONSTRUCTOR, ecma_builtin_get (ECMA_BUILTIN_ID_OBJECT)) + +/* +Object.prototype.constructor + +Object.prototype.toString +Object.prototype.toLocaleString +Object.prototype.valueOf +Object.prototype.hasOwnProperty +Object.prototype.isPrototypeOf +Object.prototype.propertyIsEnumerable +*/ + +/** + * List of the Object.prototype object built-in routine properties in format + * 'macro (name, C function name, arguments number of the routine, length value of the routine)'. + */ +#define ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_ROUTINES_PROPERTY_LIST(macro) \ + macro (ECMA_MAGIC_STRING_TO_STRING_UL, \ + ecma_builtin_object_prototype_object_to_string, \ + 0, \ + 0) \ + macro (ECMA_MAGIC_STRING_VALUE_OF_UL, \ + ecma_builtin_object_prototype_object_value_of, \ + 0, \ + 0) \ + macro (ECMA_MAGIC_STRING_TO_LOCALE_STRING_UL, \ + ecma_builtin_object_prototype_object_to_locale_string, \ + 0, \ + 0) \ + macro (ECMA_MAGIC_STRING_HAS_OWN_PROPERTY_UL, \ + ecma_builtin_object_prototype_object_has_own_property, \ + 1, \ + 1) \ + macro (ECMA_MAGIC_STRING_IS_PROTOTYPE_OF_UL, \ + ecma_builtin_object_prototype_object_is_prototype_of, \ + 1, \ + 1) \ + macro (ECMA_MAGIC_STRING_PROPERTY_IS_ENUMERABLE_UL, \ + ecma_builtin_object_prototype_object_property_is_enumerable, \ + 1, \ + 1) + +/** + * List of the Object.prototype object's built-in property names + */ +static const ecma_magic_string_id_t ecma_builtin_property_names[] = +{ +#define VALUE_PROP_LIST(name, value) name, +#define ROUTINE_PROP_LIST(name, c_function_name, args_number, length) name, + ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_OBJECT_VALUES_PROPERTY_LIST (VALUE_PROP_LIST) + ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_ROUTINES_PROPERTY_LIST (ROUTINE_PROP_LIST) +#undef VALUE_PROP_LIST +#undef ROUTINE_PROP_LIST +}; + +/** + * Number of the Object.prototype object's built-in properties + */ +const ecma_length_t ecma_builtin_object_prototype_property_number = (sizeof (ecma_builtin_property_names) / + sizeof (ecma_magic_string_id_t)); + +/** + * The Object.prototype object's 'toString' routine + * + * See also: + * ECMA-262 v5, 15.2.4.2 + * + * @return completion value + * Returned value must be freed with ecma_free_completion_value. + */ +static ecma_completion_value_t +ecma_builtin_object_prototype_object_to_string (ecma_value_t this) /**< this argument */ +{ + JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (this); +} /* ecma_builtin_object_prototype_object_to_string */ + +/** + * The Object.prototype object's 'valueOf' routine + * + * See also: + * ECMA-262 v5, 15.2.4.4 + * + * @return completion value + * Returned value must be freed with ecma_free_completion_value. + */ +static ecma_completion_value_t +ecma_builtin_object_prototype_object_value_of (ecma_value_t this) /**< this argument */ +{ + return ecma_builtin_object_prototype_object_to_string (this); +} /* ecma_builtin_object_prototype_object_value_of */ + +/** + * 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) /**< this argument */ +{ + JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (this); +} /* ecma_builtin_object_prototype_object_to_locale_string */ + +/** + * The Object.prototype object's 'hasOwnProperty' routine + * + * See also: + * ECMA-262 v5, 15.2.4.5 + * + * @return completion value + * Returned value must be freed with ecma_free_completion_value. + */ +static ecma_completion_value_t +ecma_builtin_object_prototype_object_has_own_property (ecma_value_t this, /**< this argument */ + ecma_value_t arg) /**< first argument */ +{ + JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (this, arg); +} /* ecma_builtin_object_prototype_object_has_own_property */ + +/** + * The Object.prototype object's 'isPrototypeOf' routine + * + * See also: + * ECMA-262 v5, 15.2.4.6 + * + * @return completion value + * Returned value must be freed with ecma_free_completion_value. + */ +static ecma_completion_value_t +ecma_builtin_object_prototype_object_is_prototype_of (ecma_value_t this, /**< this argument */ + ecma_value_t arg) /**< routine's first argument */ +{ + JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (this, arg); +} /* ecma_builtin_object_prototype_object_is_prototype_of */ + +/** + * The Object.prototype object's 'propertyIsEnumerable' routine + * + * See also: + * ECMA-262 v5, 15.2.4.7 + * + * @return completion value + * Returned value must be freed with ecma_free_completion_value. + */ +static ecma_completion_value_t +ecma_builtin_object_prototype_object_property_is_enumerable (ecma_value_t this, /**< this argument */ + ecma_value_t arg) /**< routine's first argument */ +{ + JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (this, arg); +} /* ecma_builtin_object_prototype_object_property_is_enumerable */ + +/** + * If the property's name is one of built-in properties of the Object.prototype object + * that is not instantiated yet, instantiate the property and + * return pointer to the instantiated property. + * + * @return pointer property, if one was instantiated, + * NULL - otherwise. + */ +ecma_property_t* +ecma_builtin_object_prototype_try_to_instantiate_property (ecma_object_t *obj_p, /**< object */ + ecma_string_t *prop_name_p) /**< property's name */ +{ + JERRY_ASSERT (ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_OBJECT_PROTOTYPE)); + JERRY_ASSERT (ecma_find_named_property (obj_p, prop_name_p) == NULL); + + ecma_magic_string_id_t id; + + if (!ecma_is_string_magic (prop_name_p, &id)) + { + return NULL; + } + + int32_t index = ecma_builtin_bin_search_for_magic_string_id_in_array (ecma_builtin_property_names, + ecma_builtin_object_prototype_property_number, + id); + + if (index == -1) + { + return NULL; + } + + JERRY_ASSERT (index >= 0 && (uint32_t) index < sizeof (uint64_t) * JERRY_BITSINBYTE); + + uint32_t bit; + ecma_internal_property_id_t mask_prop_id; + + if (index >= 32) + { + mask_prop_id = ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_32_63; + bit = (uint32_t) 1u << (index - 32); + } + else + { + mask_prop_id = ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_0_31; + bit = (uint32_t) 1u << index; + } + + ecma_property_t *mask_prop_p = ecma_get_internal_property (obj_p, mask_prop_id); + uint32_t bit_mask = mask_prop_p->u.internal_property.value; + + if (!(bit_mask & bit)) + { + return NULL; + } + + bit_mask &= ~bit; + + mask_prop_p->u.internal_property.value = bit_mask; + + ecma_value_t value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY); + ecma_property_writable_value_t writable = ECMA_PROPERTY_WRITABLE; + ecma_property_enumerable_value_t enumerable = ECMA_PROPERTY_NOT_ENUMERABLE; + ecma_property_configurable_value_t configurable = ECMA_PROPERTY_CONFIGURABLE; + + switch (id) + { +#define CASE_ROUTINE_PROP_LIST(name, c_function_name, args_number, length) case name: + ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_ROUTINES_PROPERTY_LIST (CASE_ROUTINE_PROP_LIST) +#undef CASE_ROUTINE_PROP_LIST + { + ecma_object_t *func_obj_p = ecma_builtin_make_function_object_for_routine (ECMA_BUILTIN_ID_OBJECT_PROTOTYPE, + id); + + value = ecma_make_object_value (func_obj_p); + + break; + } +#define CASE_VALUE_PROP_LIST(name, value) case name: + ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_OBJECT_VALUES_PROPERTY_LIST (CASE_VALUE_PROP_LIST) +#undef CASE_VALUE_PROP_LIST + { + writable = ECMA_PROPERTY_NOT_WRITABLE; + enumerable = ECMA_PROPERTY_NOT_ENUMERABLE; + configurable = ECMA_PROPERTY_NOT_CONFIGURABLE; + + switch (id) + { +#define CASE_OBJECT_VALUE_PROP_LIST(name, value_obj) case name: { value = ecma_make_object_value (value_obj); break; } + ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_OBJECT_VALUES_PROPERTY_LIST (CASE_OBJECT_VALUE_PROP_LIST) +#undef CASE_OBJECT_VALUE_PROP_LIST + default: + { + JERRY_UNREACHABLE (); + } + } + + break; + } + + default: + { + JERRY_UNREACHABLE (); + } + } + + ecma_property_t *prop_p = ecma_create_named_data_property (obj_p, + prop_name_p, + writable, + enumerable, + configurable); + + prop_p->u.named_data_property.value = ecma_copy_value (value, false); + ecma_gc_update_may_ref_younger_object_flag_by_value (obj_p, + prop_p->u.named_data_property.value); + + ecma_free_value (value, true); + + return prop_p; +} /* ecma_builtin_object_prototype_try_to_instantiate_property */ + +/** + * Dispatcher of the Object.prototype object's built-in routines + * + * @return completion-value + * Returned value must be freed with ecma_free_completion_value. + */ +ecma_completion_value_t +ecma_builtin_object_prototype_dispatch_routine (ecma_magic_string_id_t builtin_routine_id, /**< Object.prototype + object's built-in + routine's name */ + ecma_value_t this_arg_value __unused, /**< 'this' argument value */ + ecma_value_t arguments_list [], /**< list of arguments + passed to routine */ + ecma_length_t arguments_number) /**< length of arguments' list */ +{ + const ecma_value_t value_undefined = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED); + + switch (builtin_routine_id) + { +#define ROUTINE_ARG(n) (arguments_number >= n ? arguments_list[n - 1] : value_undefined) +#define ROUTINE_ARG_LIST_0 +#define ROUTINE_ARG_LIST_1 , ROUTINE_ARG(1) +#define ROUTINE_ARG_LIST_2 ROUTINE_ARG_LIST_1, ROUTINE_ARG(2) +#define ROUTINE_ARG_LIST_3 ROUTINE_ARG_LIST_2, ROUTINE_ARG(3) +#define ROUTINE_ARG_LIST_NON_FIXED , arguments_list, arguments_number +#define CASE_ROUTINE_PROP_LIST(name, c_function_name, args_number, length) \ + case name: \ + { \ + return c_function_name (this_arg_value ROUTINE_ARG_LIST_ ## args_number); \ + } + ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_ROUTINES_PROPERTY_LIST (CASE_ROUTINE_PROP_LIST) +#undef CASE_ROUTINE_PROP_LIST +#undef ROUTINE_ARG_LIST_0 +#undef ROUTINE_ARG_LIST_1 +#undef ROUTINE_ARG_LIST_2 +#undef ROUTINE_ARG_LIST_3 +#undef ROUTINE_ARG_LIST_NON_FIXED + + default: + { + JERRY_UNREACHABLE (); + } + } +} /* ecma_builtin_object_prototype_dispatch_routine */ + +/** + * Get number of routine's parameters + * + * @return number of parameters + */ +ecma_length_t +ecma_builtin_object_prototype_get_routine_parameters_number (ecma_magic_string_id_t builtin_routine_id) /**< built-in + routine's + name */ +{ + switch (builtin_routine_id) + { +#define CASE_ROUTINE_PROP_LIST(name, c_function_name, args_number, length) case name: return length; + ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_ROUTINES_PROPERTY_LIST (CASE_ROUTINE_PROP_LIST) +#undef CASE_ROUTINE_PROP_LIST + + default: + { + JERRY_UNREACHABLE (); + } + } +} /* ecma_builtin_object_prototype_get_routine_parameters_number */ + +/** + * @} + * @} + * @} + */ diff --git a/src/libecmabuiltins/ecma-builtins-internal.h b/src/libecmabuiltins/ecma-builtins-internal.h index 5c26b8ed1..96ff05710 100644 --- a/src/libecmabuiltins/ecma-builtins-internal.h +++ b/src/libecmabuiltins/ecma-builtins-internal.h @@ -59,6 +59,11 @@ ecma_builtin_bin_search_for_magic_string_id_in_array (const ecma_magic_string_id * 'macro (builtin_id, object_type, object_class, object_prototype_builtin_id, lowercase_name)' */ #define ECMA_BUILTIN_LIST(macro) \ + macro (OBJECT_PROTOTYPE, \ + TYPE_GENERAL, \ + CLASS_OBJECT, \ + ECMA_BUILTIN_ID__COUNT /* no prototype */, \ + object_prototype) \ macro (STRING_PROTOTYPE, \ TYPE_GENERAL, \ CLASS_STRING, \