Ruben Ayrapetyan
617 lines
18 KiB
C
617 lines
18 KiB
C
/* Copyright 2014 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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#include "ecma-alloc.h"
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#include "ecma-builtins.h"
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#include "ecma-conversion.h"
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#include "ecma-exceptions.h"
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#include "ecma-gc.h"
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#include "ecma-globals.h"
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#include "ecma-helpers.h"
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#include "ecma-objects.h"
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#include "ecma-objects-general.h"
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#include "ecma-try-catch-macro.h"
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#include "globals.h"
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#define ECMA_BUILTINS_INTERNAL
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#include "ecma-builtins-internal.h"
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/** \addtogroup ecma ECMA
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* @{
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*
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* \addtogroup ecmabuiltins
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* @{
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*
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* \addtogroup object ECMA Object object built-in
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* @{
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*/
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/**
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* List of the Math object built-in value properties in format 'macro (name, value)'.
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*/
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#define ECMA_BUILTIN_MATH_OBJECT_VALUES_PROPERTY_LIST(macro) \
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macro (ECMA_MAGIC_STRING_E_U, 2.7182818284590452354) \
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macro (ECMA_MAGIC_STRING_LN10_U, 2.302585092994046) \
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macro (ECMA_MAGIC_STRING_LN2_U, 0.6931471805599453) \
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macro (ECMA_MAGIC_STRING_LOG2E_U, 1.4426950408889634) \
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macro (ECMA_MAGIC_STRING_LOG10E_U, 0.4342944819032518) \
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macro (ECMA_MAGIC_STRING_PI_U, 3.1415926535897932) \
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macro (ECMA_MAGIC_STRING_SQRT1_2_U, 0.7071067811865476) \
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macro (ECMA_MAGIC_STRING_SQRT2_U, 1.4142135623730951)
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/**
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* List of the Math object built-in routine properties in format
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* 'macro (name, C function name, arguments number of the routine, length value of the routine)'.
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*/
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#define ECMA_BUILTIN_MATH_OBJECT_ROUTINES_PROPERTY_LIST(macro) \
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macro (ECMA_MAGIC_STRING_ABS, \
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ecma_builtin_math_object_abs, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_ACOS, \
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ecma_builtin_math_object_acos, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_ASIN, \
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ecma_builtin_math_object_asin, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_ATAN, \
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ecma_builtin_math_object_atan, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_ATAN2, \
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ecma_builtin_math_object_atan2, \
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2, \
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2) \
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macro (ECMA_MAGIC_STRING_CEIL, \
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ecma_builtin_math_object_ceil, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_COS, \
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ecma_builtin_math_object_cos, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_EXP, \
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ecma_builtin_math_object_exp, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_FLOOR, \
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ecma_builtin_math_object_floor, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_LOG, \
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ecma_builtin_math_object_log, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_MAX, \
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ecma_builtin_math_object_max, \
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NON_FIXED, \
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2) \
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macro (ECMA_MAGIC_STRING_MIN, \
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ecma_builtin_math_object_min, \
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NON_FIXED, \
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2) \
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macro (ECMA_MAGIC_STRING_POW, \
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ecma_builtin_math_object_pow, \
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2, \
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2) \
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macro (ECMA_MAGIC_STRING_RANDOM, \
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ecma_builtin_math_object_random, \
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0, \
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0) \
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macro (ECMA_MAGIC_STRING_ROUND, \
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ecma_builtin_math_object_round, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_SIN, \
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ecma_builtin_math_object_sin, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_SQRT, \
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ecma_builtin_math_object_sqrt, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_TAN, \
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ecma_builtin_math_object_tan, \
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1, \
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1)
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/**
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* List of the Math object's built-in property names
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*/
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static const ecma_magic_string_id_t ecma_builtin_math_property_names[] =
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{
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#define VALUE_PROP_LIST(name, value) name,
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#define ROUTINE_PROP_LIST(name, c_function_name, args_number, length) name,
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ECMA_BUILTIN_MATH_OBJECT_VALUES_PROPERTY_LIST (VALUE_PROP_LIST)
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ECMA_BUILTIN_MATH_OBJECT_ROUTINES_PROPERTY_LIST (ROUTINE_PROP_LIST)
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#undef VALUE_PROP_LIST
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#undef ROUTINE_PROP_LIST
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};
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/**
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* Number of the Math object's built-in properties
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*/
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const ecma_length_t ecma_builtin_math_property_number = (sizeof (ecma_builtin_math_property_names) /
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sizeof (ecma_magic_string_id_t));
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JERRY_STATIC_ASSERT (sizeof (ecma_builtin_math_property_names) > sizeof (void*));
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/**
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* The Math object's 'abs' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_abs (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_abs */
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/**
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* The Math object's 'acos' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_acos (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_acos */
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/**
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* The Math object's 'asin' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_asin (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_asin */
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/**
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* The Math object's 'atan' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_atan (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_atan */
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/**
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* The Math object's 'atan2' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_atan2 (ecma_value_t arg1, /**< first routine's argument */
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ecma_value_t arg2) /**< second routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg1, arg2);
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} /* ecma_builtin_math_object_atan2 */
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/**
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* The Math object's 'ceil' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_ceil (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_ceil */
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/**
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* The Math object's 'cos' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_cos (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_cos */
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/**
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* The Math object's 'exp' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_exp (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_exp */
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/**
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* The Math object's 'floor' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_floor (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_floor */
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/**
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* The Math object's 'log' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_log (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_log */
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/**
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* The Math object's 'max' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_max (ecma_value_t args[], /**< arguments list */
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ecma_length_t args_number) /**< number of arguments */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (args, args_number);
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} /* ecma_builtin_math_object_max */
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/**
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* The Math object's 'min' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_min (ecma_value_t args[], /**< arguments list */
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ecma_length_t args_number) /**< number of arguments */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (args, args_number);
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} /* ecma_builtin_math_object_min */
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/**
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* The Math object's 'pow' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_pow (ecma_value_t arg1, /**< first routine's argument */
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ecma_value_t arg2) /**< second routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg1, arg2);
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} /* ecma_builtin_math_object_pow */
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/**
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* The Math object's 'random' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_random (void)
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{
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JERRY_UNIMPLEMENTED ();
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} /* ecma_builtin_math_object_random */
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/**
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* The Math object's 'round' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_round (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_round */
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/**
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* The Math object's 'sin' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_sin (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_sin */
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/**
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* The Math object's 'sqrt' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_sqrt (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_sqrt */
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/**
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* The Math object's 'tan' routine
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*
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* See also:
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* ECMA-262 v5, 15.
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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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static ecma_completion_value_t
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ecma_builtin_math_object_tan (ecma_value_t arg) /**< routine's argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (arg);
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} /* ecma_builtin_math_object_tan */
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/**
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* If the property's name is one of built-in properties of the Math 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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ecma_builtin_math_try_to_instantiate_property (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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JERRY_ASSERT (ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_MATH));
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JERRY_ASSERT (ecma_find_named_property (obj_p, prop_name_p) == NULL);
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ecma_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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int32_t index = ecma_builtin_bin_search_for_magic_string_id_in_array (ecma_builtin_math_property_names,
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ecma_builtin_math_property_number,
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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_get_internal_property (obj_p, mask_prop_id);
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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 = ECMA_PROPERTY_WRITABLE;
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ecma_property_enumerable_value_t enumerable = ECMA_PROPERTY_NOT_ENUMERABLE;
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ecma_property_configurable_value_t configurable = ECMA_PROPERTY_CONFIGURABLE;
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switch (id)
|
|
{
|
|
#define CASE_ROUTINE_PROP_LIST(name, c_function_name, args_number, 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 */
|
|
|
|
/**
|
|
* Dispatcher of the Math object's built-in routines
|
|
*
|
|
* @return completion-value
|
|
* Returned value must be freed with ecma_free_completion_value.
|
|
*/
|
|
ecma_completion_value_t
|
|
ecma_builtin_math_dispatch_routine (ecma_magic_string_id_t builtin_routine_id, /**< Object object's
|
|
built-in routine's name */
|
|
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 (ROUTINE_ARG_LIST_ ## args_number); \
|
|
}
|
|
ECMA_BUILTIN_MATH_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
|
|
|
|
default:
|
|
{
|
|
JERRY_UNREACHABLE ();
|
|
}
|
|
}
|
|
} /* ecma_builtin_math_dispatch_routine */
|
|
|
|
/**
|
|
* Get number of routine's parameters
|
|
*
|
|
* @return number of parameters
|
|
*/
|
|
ecma_length_t
|
|
ecma_builtin_math_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_MATH_OBJECT_ROUTINES_PROPERTY_LIST (CASE_ROUTINE_PROP_LIST)
|
|
#undef CASE_ROUTINE_PROP_LIST
|
|
|
|
default:
|
|
{
|
|
JERRY_UNREACHABLE ();
|
|
}
|
|
}
|
|
} /* ecma_builtin_math_get_routine_parameters_number */
|
|
|
|
/**
|
|
* @}
|
|
* @}
|
|
* @}
|
|
*/
|