archive-gh-me/jerryscript
1
0
Fork 0
mirror of https://github.com/jerryscript-project/jerryscript.git synced 2025-12-15 16:29:21 +00:00
Code Issues Projects Releases Wiki Activity

Implementing Math object's value properties.

Browse Source
This commit is contained in:
Ruben Ayrapetyan 2014-09-23 15:32:32 +04:00
parent ae244f0148
commit 288478926e
4 changed files with 246 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/libecmabuiltins/ecma-builtin-global-object.c
View File

@ -480,6 +480,14 @@ ecma_builtin_global_try_to_instantiate_property (ecma_object_t *obj_p, /**< obje
break;
}
case ECMA_MAGIC_STRING_MATH_UL:
{
ecma_object_t *object_obj_p = ecma_builtin_get (ECMA_BUILTIN_ID_MATH);
value = ecma_make_object_value (object_obj_p);
break;
}
case ECMA_MAGIC_STRING_FUNCTION_UL:
case ECMA_MAGIC_STRING_ARRAY_UL:
@ -495,7 +503,6 @@ ecma_builtin_global_try_to_instantiate_property (ecma_object_t *obj_p, /**< obje
case ECMA_MAGIC_STRING_SYNTAX_ERROR_UL:
case ECMA_MAGIC_STRING_TYPE_ERROR_UL:
case ECMA_MAGIC_STRING_URI_ERROR_UL:
case ECMA_MAGIC_STRING_MATH_UL:
case ECMA_MAGIC_STRING_JSON_U:
{
JERRY_UNIMPLEMENTED ();

223
src/libecmabuiltins/ecma-builtin-math-object.c Normal file
View File

@ -0,0 +1,223 @@
/* 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-objects-general.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 object ECMA Object object built-in
* @{
*/
/**
* List of the Math object built-in value properties in format 'macro (name, value)'.
*/
#define ECMA_BUILTIN_MATH_OBJECT_VALUES_PROPERTY_LIST(macro) \
macro (ECMA_MAGIC_STRING_E_U, 2.7182818284590452354) \
macro (ECMA_MAGIC_STRING_LN10_U, 2.302585092994046) \
macro (ECMA_MAGIC_STRING_LN2_U, 0.6931471805599453) \
macro (ECMA_MAGIC_STRING_LOG2E_U, 1.4426950408889634) \
macro (ECMA_MAGIC_STRING_LOG10E_U, 0.4342944819032518) \
macro (ECMA_MAGIC_STRING_PI_U, 3.1415926535897932) \
macro (ECMA_MAGIC_STRING_SQRT1_2_U, 0.7071067811865476) \
macro (ECMA_MAGIC_STRING_SQRT2_U, 1.4142135623730951)
/**
* List of the Math object built-in routine properties in format 'macro (name, length value of the routine)'.
*/
#define ECMA_BUILTIN_MATH_OBJECT_ROUTINES_PROPERTY_LIST(macro) \
macro (ECMA_MAGIC_STRING_ABS, 1) \
macro (ECMA_MAGIC_STRING_ACOS, 1) \
macro (ECMA_MAGIC_STRING_ASIN, 1) \
macro (ECMA_MAGIC_STRING_ATAN, 1) \
macro (ECMA_MAGIC_STRING_ATAN2, 2) \
macro (ECMA_MAGIC_STRING_CEIL, 1) \
macro (ECMA_MAGIC_STRING_COS, 1) \
macro (ECMA_MAGIC_STRING_EXP, 1) \
macro (ECMA_MAGIC_STRING_FLOOR, 1) \
macro (ECMA_MAGIC_STRING_LOG, 1) \
macro (ECMA_MAGIC_STRING_MAX, 2) \
macro (ECMA_MAGIC_STRING_MIN, 2) \
macro (ECMA_MAGIC_STRING_POW, 2) \
macro (ECMA_MAGIC_STRING_RANDOM, 0) \
macro (ECMA_MAGIC_STRING_ROUND, 1) \
macro (ECMA_MAGIC_STRING_SIN, 1) \
macro (ECMA_MAGIC_STRING_SQRT, 1) \
macro (ECMA_MAGIC_STRING_TAN, 1)
/**
* List of the Math object's built-in property names
*/
static const ecma_magic_string_id_t ecma_builtin_math_property_names[] =
{
#define VALUE_PROP_LIST(name, value) name,
#define ROUTINE_PROP_LIST(name, length) name,
ECMA_BUILTIN_MATH_OBJECT_VALUES_PROPERTY_LIST (VALUE_PROP_LIST)
ECMA_BUILTIN_MATH_OBJECT_ROUTINES_PROPERTY_LIST (ROUTINE_PROP_LIST)
#undef VALUE_PROP_LIST
#undef ROUTINE_PROP_LIST
};
/**
* Number of the Math object's built-in properties
*/
const ecma_length_t ecma_builtin_math_property_number = (sizeof (ecma_builtin_math_property_names) /
sizeof (ecma_magic_string_id_t));
JERRY_STATIC_ASSERT (sizeof (ecma_builtin_math_property_names) > sizeof (void*));
/**
* If the property's name is one of built-in properties of the Math 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_math_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_MATH));
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_math_property_names,
ecma_builtin_math_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, length) case name:
ECMA_BUILTIN_MATH_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_MATH, id);
value = ecma_make_object_value (func_obj_p);
break;
}
#define CASE_VALUE_PROP_LIST(name, value) case name:
ECMA_BUILTIN_MATH_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;
ecma_number_t *num_p = ecma_alloc_number ();
value = ecma_make_number_value (num_p);
switch (id)
{
#define CASE_VALUE_PROP_LIST(name, value) case name: { *num_p = (ecma_number_t) value; break; }
ECMA_BUILTIN_MATH_OBJECT_VALUES_PROPERTY_LIST (CASE_VALUE_PROP_LIST)
#undef CASE_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_math_try_to_instantiate_property */
/**
* @}
* @}
* @}
*/

5
src/libecmabuiltins/ecma-builtins-internal.h
View File

@ -88,6 +88,11 @@ extern ecma_property_t*
ecma_builtin_object_prototype_try_to_instantiate_property (ecma_object_t *obj_p,
ecma_string_t *prop_name_p);
/* ecma-builtin-math-object.c */
extern const ecma_length_t ecma_builtin_math_property_number;
extern ecma_property_t*
ecma_builtin_math_try_to_instantiate_property (ecma_object_t *obj_p, ecma_string_t *prop_name_p);
/* ecma-builtin-array-object.c */
extern void ecma_builtin_init_array_object (void);
extern void ecma_builtin_finalize_array_object (void);

11
src/libecmabuiltins/ecma-builtins.c
View File

@ -138,6 +138,11 @@ ecma_init_builtins (void)
ECMA_OBJECT_CLASS_OBJECT,
ecma_builtin_object_property_number);
ecma_builtin_objects [ECMA_BUILTIN_ID_MATH] = ecma_builtin_init_object (ECMA_BUILTIN_ID_MATH,
ECMA_OBJECT_TYPE_GENERAL,
ECMA_OBJECT_CLASS_MATH,
ecma_builtin_math_property_number);
ecma_builtin_objects [ECMA_BUILTIN_ID_GLOBAL] = ecma_builtin_init_object (ECMA_BUILTIN_ID_GLOBAL,
ECMA_OBJECT_TYPE_GENERAL,
ECMA_OBJECT_CLASS_OBJECT,
@ -195,6 +200,11 @@ ecma_builtin_try_to_instantiate_property (ecma_object_t *object_p, /**< object *
return ecma_builtin_object_try_to_instantiate_property (object_p, string_p);
}
case ECMA_BUILTIN_ID_MATH:
{
return ecma_builtin_math_try_to_instantiate_property (object_p, string_p);
}
case ECMA_BUILTIN_ID_OBJECT_PROTOTYPE:
case ECMA_BUILTIN_ID_FUNCTION:
case ECMA_BUILTIN_ID_FUNCTION_PROTOTYPE:
@ -217,7 +227,6 @@ ecma_builtin_try_to_instantiate_property (ecma_object_t *object_p, /**< object *
case ECMA_BUILTIN_ID_SYNTAX_ERROR:
case ECMA_BUILTIN_ID_TYPE_ERROR:
case ECMA_BUILTIN_ID_SYNTAX_URI_ERROR:
case ECMA_BUILTIN_ID_MATH:
case ECMA_BUILTIN_ID_JSON:
{
JERRY_UNIMPLEMENTED ();