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jerryscript/src/libecmaobjects/ecma-globals.h

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/* 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.
*/
/** \addtogroup ecma ECMA
* @{
*
* \addtogroup ecmatypes ECMA types
* @{
*/
#ifndef JERRY_ECMA_GLOBALS_H
#define JERRY_ECMA_GLOBALS_H
#include "config.h"
#include "globals.h"
#include "mem-allocator.h"
/** \addtogroup compressedpointer Compressed pointer
* @{
*/
/**
* Ecma-pointer field is used to calculate ecma-value's address.
*
* Ecma-pointer contains value's shifted offset from common Ecma-pointers' base.
* The offset is shifted right by MEM_ALIGNMENT_LOG.
* Least significant MEM_ALIGNMENT_LOG bits of non-shifted offset are zeroes.
*/
#define ECMA_POINTER_FIELD_WIDTH MEM_COMPRESSED_POINTER_WIDTH
/**
* The NULL value for compressed pointers
*/
#define ECMA_NULL_POINTER MEM_COMPRESSED_POINTER_NULL
/**
* @}
*/
/**
* Type of ecma-value
*/
typedef enum
{
ECMA_TYPE_SIMPLE, /**< simple value */
ECMA_TYPE_NUMBER, /**< 64-bit integer */
ECMA_TYPE_STRING, /**< pointer to description of a string */
ECMA_TYPE_OBJECT /**< pointer to description of an object */
} ecma_type_t;
/**
* Simple ecma-values
*/
typedef enum
{
/**
* Empty value is implementation defined value, used for:
* - representing empty value in completion values (see also: ECMA-262 v5, 8.9 Completion specification type);
* - values of uninitialized immutable bindings;
* - values of empty register variables.
*/
ECMA_SIMPLE_VALUE_EMPTY,
ECMA_SIMPLE_VALUE_UNDEFINED, /**< undefined value */
ECMA_SIMPLE_VALUE_NULL, /**< null value */
ECMA_SIMPLE_VALUE_FALSE, /**< boolean false */
ECMA_SIMPLE_VALUE_TRUE, /**< boolean true */
ECMA_SIMPLE_VALUE_ARRAY_REDIRECT, /**< implementation defined value for an array's elements that exist,
but are stored directly in the array's property list
(used for array elements with non-default attribute values) */
ECMA_SIMPLE_VALUE__COUNT /** count of simple ecma-values */
} ecma_simple_value_t;
/**
* Type of ecma-property
*/
typedef enum
{
ECMA_PROPERTY_NAMEDDATA, /**< named data property */
ECMA_PROPERTY_NAMEDACCESSOR, /**< named accessor property */
ECMA_PROPERTY_INTERNAL /**< internal property */
} ecma_property_type_t;
/**
* Type of block evaluation (completion) result.
*
* See also: ECMA-262 v5, 8.9.
*/
typedef enum
{
ECMA_COMPLETION_TYPE_NORMAL, /**< default block completion */
ECMA_COMPLETION_TYPE_RETURN, /**< block completed with return */
ECMA_COMPLETION_TYPE_BREAK, /**< block completed with break */
ECMA_COMPLETION_TYPE_CONTINUE, /**< block completed with continue */
#ifdef CONFIG_ECMA_EXCEPTION_SUPPORT
ECMA_COMPLETION_TYPE_THROW, /**< block completed with throw */
#endif /* CONFIG_ECMA_EXCEPTION_SUPPORT */
ECMA_COMPLETION_TYPE_EXIT, /**< implementation-defined completion type
for finishing script execution */
ECMA_COMPLETION_TYPE_META /**< implementation-defined completion type
for meta opcode */
} ecma_completion_type_t;
/**
* Description of an ecma-value
*/
typedef struct
{
/** Value type (ecma_type_t) */
unsigned int value_type : 2;
/**
* Simple value (ecma_simple_value_t) or compressed pointer to value (depending on value_type)
*/
unsigned int value : ECMA_POINTER_FIELD_WIDTH;
} __packed ecma_value_t;
/**
* Description of a block completion value
*
* See also: ECMA-262 v5, 8.9.
*/
typedef struct
{
/** Type (ecma_completion_type_t) */
uint8_t type;
/** Just padding for the structure */
uint8_t padding;
union
{
/**
* Value
*
* Used for normal, return, throw and exit completion types.
*/
ecma_value_t value;
/**
* Label
*
* Used for break and continue completion types.
*/
uint16_t label_desc_cp;
} u;
} ecma_completion_value_t;
/**
* Label
*
* Used for break and continue completion types.
*/
typedef struct
{
/** Target's offset */
uint32_t offset;
/** Levels to label left */
uint32_t depth;
} ecma_label_descriptor_t;
/**
* Internal properties' identifiers.
*/
typedef enum
{
ECMA_INTERNAL_PROPERTY_CLASS, /**< [[Class]] */
ECMA_INTERNAL_PROPERTY_PROTOTYPE, /**< [[Prototype]] */
ECMA_INTERNAL_PROPERTY_EXTENSIBLE, /**< [[Extensible]] */
ECMA_INTERNAL_PROPERTY_SCOPE, /**< [[Scope]] */
ECMA_INTERNAL_PROPERTY_PARAMETERS_MAP, /**< [[ParametersMap]] */
ECMA_INTERNAL_PROPERTY_CODE, /**< [[Code]] */
ECMA_INTERNAL_PROPERTY_FORMAL_PARAMETERS, /**< [[FormalParameters]] */
ECMA_INTERNAL_PROPERTY_PRIMITIVE_STRING_VALUE, /**< [[Primitive value]] for String objects */
ECMA_INTERNAL_PROPERTY_PRIMITIVE_NUMBER_VALUE, /**< [[Primitive value]] for Number objects */
ECMA_INTERNAL_PROPERTY_PRIMITIVE_BOOLEAN_VALUE, /**< [[Primitive value]] for Boolean objects */
/** provideThis property of lexical environment */
ECMA_INTERNAL_PROPERTY_PROVIDE_THIS,
/** binding object of lexical environment */
ECMA_INTERNAL_PROPERTY_BINDING_OBJECT,
/** Part of an array, that is indexed by numbers */
ECMA_INTERNAL_PROPERTY_NUMBER_INDEXED_ARRAY_VALUES,
/** Part of an array, that is indexed by strings */
ECMA_INTERNAL_PROPERTY_STRING_INDEXED_ARRAY_VALUES,
/** Implementation-defined identifier of built-in object */
ECMA_INTERNAL_PROPERTY_BUILT_IN_ID,
/** Implementation-defined identifier of built-in routine
that corresponds to a built-in function object
([[Built-in routine ID]]) */
ECMA_INTERNAL_PROPERTY_BUILT_IN_ROUTINE_ID,
/**
* Bit-mask of non-instantiated built-in's properties (bits 0-31)
*/
ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_0_31,
/**
* Bit-mask of non-instantiated built-in's properties (bits 32-63)
*/
ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_32_63
} ecma_internal_property_id_t;
/**
* Property's 'Writable' attribute's values description.
*/
typedef enum
{
ECMA_PROPERTY_NOT_WRITABLE, /**< property's 'Writable' attribute is false */
ECMA_PROPERTY_WRITABLE /**< property's 'Writable' attribute is true */
} ecma_property_writable_value_t;
/**
* Property's 'Enumerable' attribute's values description.
*/
typedef enum
{
ECMA_PROPERTY_NOT_ENUMERABLE, /**< property's 'Enumerable' attribute is false */
ECMA_PROPERTY_ENUMERABLE /**< property's 'Enumerable' attribute is true */
} ecma_property_enumerable_value_t;
/**
* Property's 'Configurable' attribute's values description.
*/
typedef enum
{
ECMA_PROPERTY_NOT_CONFIGURABLE, /**< property's 'Configurable' attribute is false */
ECMA_PROPERTY_CONFIGURABLE /**< property's 'Configurable' attribute is true */
} ecma_property_configurable_value_t;
/**
* Description of ecma-property
*/
typedef struct ecma_property_t
{
/** Property's type (ecma_property_type_t) */
unsigned int type : 2;
/** Compressed pointer to next property */
unsigned int next_property_p : ECMA_POINTER_FIELD_WIDTH;
/** Property's details (depending on Type) */
union
{
/** Description of named data property */
struct __packed ecma_named_data_property_t
{
/** Compressed pointer to property's name (pointer to String) */
unsigned int name_p : ECMA_POINTER_FIELD_WIDTH;
/** Attribute 'Writable' (ecma_property_writable_value_t) */
unsigned int writable : 1;
/** Attribute 'Enumerable' (ecma_property_enumerable_value_t) */
unsigned int enumerable : 1;
/** Attribute 'Configurable' (ecma_property_configurable_value_t) */
unsigned int configurable : 1;
/** Value */
ecma_value_t value;
} named_data_property;
/** Description of named accessor property */
struct __packed ecma_named_accessor_property_t
{
/** Compressed pointer to property's name (pointer to String) */
unsigned int name_p : ECMA_POINTER_FIELD_WIDTH;
/** Attribute 'Enumerable' (ecma_property_enumerable_value_t) */
unsigned int enumerable : 1;
/** Attribute 'Configurable' (ecma_property_configurable_value_t) */
unsigned int configurable : 1;
/** Compressed pointer to property's getter */
unsigned int get_p : ECMA_POINTER_FIELD_WIDTH;
/** Compressed pointer to property's setter */
unsigned int set_p : ECMA_POINTER_FIELD_WIDTH;
} named_accessor_property;
/** Description of internal property */
struct __packed ecma_internal_property_t
{
/** Internal property's type */
unsigned int type : 5;
/** Value (may be a compressed pointer) */
uint32_t value;
} internal_property;
} u;
} ecma_property_t;
/**
* Types of lexical environments
*/
typedef enum
{
ECMA_LEXICAL_ENVIRONMENT_DECLARATIVE, /**< declarative lexical environment */
ECMA_LEXICAL_ENVIRONMENT_OBJECTBOUND /**< object-bound lexical environment */
} ecma_lexical_environment_type_t;
/**
* Internal object types
*/
typedef enum
{
ECMA_OBJECT_TYPE_GENERAL, /**< all objects that are not String (15.5), Function (15.3),
Arguments (10.6), Array (15.4) specification-defined objects
and not host objects */
ECMA_OBJECT_TYPE_STRING, /**< String objects (15.5) */
ECMA_OBJECT_TYPE_FUNCTION, /**< Function objects (15.3), created through 13.2 routine */
ECMA_OBJECT_TYPE_BOUND_FUNCTION, /**< Function objects (15.3), created through 15.3.4.5 routine */
ECMA_OBJECT_TYPE_BUILT_IN_FUNCTION, /** One of built-in functions described in section 15
of ECMA-262 v5 specification */
ECMA_OBJECT_TYPE_ARGUMENTS, /**< Arguments object (10.6) */
ECMA_OBJECT_TYPE_ARRAY, /**< Array object (15.4) */
ECMA_OBJECT_TYPE_HOST /**< Host object */
} ecma_object_type_t;
/**
* Description of ECMA-object or lexical environment
* (depending on is_lexical_environment).
*/
typedef struct
{
/* Common part for objects and lexical environments */
/**
* Compressed pointer to property list
*/
#define ECMA_OBJECT_PROPERTIES_CP_POS (0)
#define ECMA_OBJECT_PROPERTIES_CP_WIDTH (ECMA_POINTER_FIELD_WIDTH)
/**
* Flag indicating whether it is a general object (false)
* or a lexical environment (true)
*/
#define ECMA_OBJECT_IS_LEXICAL_ENVIRONMENT_POS (ECMA_OBJECT_PROPERTIES_CP_POS + \
ECMA_OBJECT_PROPERTIES_CP_WIDTH)
#define ECMA_OBJECT_IS_LEXICAL_ENVIRONMENT_WIDTH (1)
/**
* Reference counter of the object, i.e. number of references
* to the object from stack variables.
*/
#define ECMA_OBJECT_GC_REFS_POS (ECMA_OBJECT_IS_LEXICAL_ENVIRONMENT_POS + \
ECMA_OBJECT_IS_LEXICAL_ENVIRONMENT_WIDTH)
#define ECMA_OBJECT_GC_REFS_WIDTH (CONFIG_ECMA_REFERENCE_COUNTER_WIDTH)
/**
* Identifier of GC generation.
*/
#define ECMA_OBJECT_GC_GENERATION_POS (ECMA_OBJECT_GC_REFS_POS + \
ECMA_OBJECT_GC_REFS_WIDTH)
#define ECMA_OBJECT_GC_GENERATION_WIDTH (2)
/**
* Compressed pointer to next object in the global list of objects with same generation.
*/
#define ECMA_OBJECT_GC_NEXT_CP_POS (ECMA_OBJECT_GC_GENERATION_POS + \
ECMA_OBJECT_GC_GENERATION_WIDTH)
#define ECMA_OBJECT_GC_NEXT_CP_WIDTH (ECMA_POINTER_FIELD_WIDTH)
/**
* Marker that is set if the object was visited during graph traverse.
*/
#define ECMA_OBJECT_GC_VISITED_POS (ECMA_OBJECT_GC_NEXT_CP_POS + \
ECMA_OBJECT_GC_NEXT_CP_WIDTH)
#define ECMA_OBJECT_GC_VISITED_WIDTH (1)
/**
* Flag indicating that the object may reference objects of younger generations in its properties.
*/
#define ECMA_OBJECT_GC_MAY_REF_YOUNGER_OBJECTS_POS (ECMA_OBJECT_GC_VISITED_POS + \
ECMA_OBJECT_GC_VISITED_WIDTH)
#define ECMA_OBJECT_GC_MAY_REF_YOUNGER_OBJECTS_WIDTH (1)
/* Objects' only part */
/**
* Attribute 'Extensible'
*/
#define ECMA_OBJECT_OBJ_EXTENSIBLE_POS (ECMA_OBJECT_GC_MAY_REF_YOUNGER_OBJECTS_POS + \
ECMA_OBJECT_GC_MAY_REF_YOUNGER_OBJECTS_WIDTH)
#define ECMA_OBJECT_OBJ_EXTENSIBLE_WIDTH (1)
/**
* Implementation internal object type (ecma_object_type_t)
*/
#define ECMA_OBJECT_OBJ_TYPE_POS (ECMA_OBJECT_OBJ_EXTENSIBLE_POS + \
ECMA_OBJECT_OBJ_EXTENSIBLE_WIDTH)
#define ECMA_OBJECT_OBJ_TYPE_WIDTH (3)
/**
* Compressed pointer to prototype object (ecma_object_t)
*/
#define ECMA_OBJECT_OBJ_PROTOTYPE_OBJECT_CP_POS (ECMA_OBJECT_OBJ_TYPE_POS + \
ECMA_OBJECT_OBJ_TYPE_WIDTH)
#define ECMA_OBJECT_OBJ_PROTOTYPE_OBJECT_CP_WIDTH (ECMA_POINTER_FIELD_WIDTH)
/**
* Flag indicating whether the object is a built-in object
*/
#define ECMA_OBJECT_OBJ_IS_BUILTIN_POS (ECMA_OBJECT_OBJ_PROTOTYPE_OBJECT_CP_POS + \
ECMA_OBJECT_OBJ_PROTOTYPE_OBJECT_CP_WIDTH)
#define ECMA_OBJECT_OBJ_IS_BUILTIN_WIDTH (1)
/**
* Size of structure for objects
*/
#define ECMA_OBJECT_OBJ_TYPE_SIZE (ECMA_OBJECT_OBJ_IS_BUILTIN_POS + \
ECMA_OBJECT_OBJ_IS_BUILTIN_WIDTH)
/* Lexical environments' only part */
/**
* Type of lexical environment (ecma_lexical_environment_type_t).
*/
#define ECMA_OBJECT_LEX_ENV_TYPE_POS (ECMA_OBJECT_GC_MAY_REF_YOUNGER_OBJECTS_POS + \
ECMA_OBJECT_GC_MAY_REF_YOUNGER_OBJECTS_WIDTH)
#define ECMA_OBJECT_LEX_ENV_TYPE_WIDTH (1)
/**
* Compressed pointer to outer lexical environment
*/
#define ECMA_OBJECT_LEX_ENV_OUTER_REFERENCE_CP_POS (ECMA_OBJECT_LEX_ENV_TYPE_POS + \
ECMA_OBJECT_LEX_ENV_TYPE_WIDTH)
#define ECMA_OBJECT_LEX_ENV_OUTER_REFERENCE_CP_WIDTH (ECMA_POINTER_FIELD_WIDTH)
/**
* Size of structure for lexical environments
*/
#define ECMA_OBJECT_LEX_ENV_TYPE_SIZE (ECMA_OBJECT_LEX_ENV_OUTER_REFERENCE_CP_POS + \
ECMA_OBJECT_LEX_ENV_OUTER_REFERENCE_CP_WIDTH)
uint64_t container; /**< container for fields described above */
} ecma_object_t;
/**
* Description of ECMA property descriptor
*
* See also: ECMA-262 v5, 8.10.
*
* Note:
* If a component of descriptor is undefined then corresponding
* field should contain it's default value.
*/
typedef struct
{
/** Is [[Value]] defined? */
unsigned int is_value_defined : 1;
/** Is [[Get]] defined? */
unsigned int is_get_defined : 1;
/** Is [[Set]] defined? */
unsigned int is_set_defined : 1;
/** Is [[Writable]] defined? */
unsigned int is_writable_defined : 1;
/** Is [[Enumerable]] defined? */
unsigned int is_enumerable_defined : 1;
/** Is [[Configurable]] defined? */
unsigned int is_configurable_defined : 1;
/** [[Value]] */
ecma_value_t value;
/** [[Get]] */
ecma_object_t* get_p;
/** [[Set]] */
ecma_object_t* set_p;
/** [[Writable]] */
ecma_property_writable_value_t writable;
/** [[Enumerable]] */
ecma_property_enumerable_value_t enumerable;
/** [[Configurable]] */
ecma_property_configurable_value_t configurable;
} ecma_property_descriptor_t;
#if CONFIG_ECMA_CHAR_ENCODING == CONFIG_ECMA_CHAR_ASCII
/**
* Description of an ecma-character
*/
typedef uint8_t ecma_char_t;
#elif CONFIG_ECMA_CHAR_ENCODING == CONFIG_ECMA_CHAR_UTF16
/**
* Description of an ecma-character
*/
typedef uint16_t ecma_char_t;
#endif /* CONFIG_ECMA_CHAR_ENCODING == CONFIG_ECMA_CHAR_UTF16 */
#if CONFIG_ECMA_NUMBER_TYPE == CONFIG_ECMA_NUMBER_FLOAT32
/**
* Description of an ecma-number
*/
typedef float ecma_number_t;
/**
* Maximum number of significant digits that ecma-number can store
*/
#define ECMA_NUMBER_MAX_DIGITS (10u)
#elif CONFIG_ECMA_NUMBER_TYPE == CONFIG_ECMA_NUMBER_FLOAT64
/**
* Description of an ecma-number
*/
typedef double ecma_number_t;
/**
* Maximum number of significant digits that ecma-number can store
*/
#define ECMA_NUMBER_MAX_DIGITS (18u)
#endif /* CONFIG_ECMA_NUMBER_TYPE == CONFIG_ECMA_NUMBER_FLOAT64 */
/**
* Value '0' of ecma_number_t
*/
#define ECMA_NUMBER_ZERO ((ecma_number_t) 0)
/**
* Value '1' of ecma_number_t
*/
#define ECMA_NUMBER_ONE ((ecma_number_t) 1)
/**
* Value '2' of ecma_number_t
*/
#define ECMA_NUMBER_TWO ((ecma_number_t) 2)
/**
* Value '0.5' of ecma_number_t
*/
#define ECMA_NUMBER_HALF ((ecma_number_t) 0.5f)
/**
* Minimum positive and maximum value of ecma-number
*/
#if CONFIG_ECMA_NUMBER_TYPE == CONFIG_ECMA_NUMBER_FLOAT32
# define ECMA_NUMBER_MIN_VALUE (FLT_MIN)
# define ECMA_NUMBER_MAX_VALUE (FLT_MAX)
#elif CONFIG_ECMA_NUMBER_TYPE == CONFIG_ECMA_NUMBER_FLOAT64
/**
* Number.MAX_VALUE
*
* See also: ECMA_262 v5, 15.7.3.2
*/
# define ECMA_NUMBER_MAX_VALUE ((ecma_number_t)1.7976931348623157e+308)
/**
* Number.MIN_VALUE
*
* See also: ECMA_262 v5, 15.7.3.3
*/
# define ECMA_NUMBER_MIN_VALUE ((ecma_number_t)5e-324)
#endif /* CONFIG_ECMA_NUMBER_TYPE == CONFIG_ECMA_NUMBER_FLOAT64 */
/**
* Euler number
*/
#define ECMA_NUMBER_E ((ecma_number_t)2.7182818284590452354)
/**
* Natural logarithm of 10
*/
#define ECMA_NUMBER_LN10 ((ecma_number_t)2.302585092994046)
/**
* Natural logarithm of 2
*/
#define ECMA_NUMBER_LN2 ((ecma_number_t)0.6931471805599453)
/**
* Logarithm base 2 of the Euler number
*/
#define ECMA_NUMBER_LOG2E ((ecma_number_t)1.4426950408889634)
/**
* Logarithm base 10 of the Euler number
*/
#define ECMA_NUMBER_LOG10E ((ecma_number_t)0.4342944819032518)
/**
* Pi number
*/
#define ECMA_NUMBER_PI ((ecma_number_t)3.1415926535897932)
/**
* Square root of 0.5
*/
#define ECMA_NUMBER_SQRT_1_2 ((ecma_number_t)0.7071067811865476)
/**
* Square root of 2
*/
#define ECMA_NUMBER_SQRT2 ((ecma_number_t)1.4142135623730951)
/**
* Null character (zt-string end marker)
*/
#define ECMA_CHAR_NULL ((ecma_char_t) '\0')
/**
* Maximum number of characters in string representation of ecma-number
*/
#define ECMA_MAX_CHARS_IN_STRINGIFIED_NUMBER 64
/**
* Maximum number of characters in string representation of ecma-uint32
*/
#define ECMA_MAX_CHARS_IN_STRINGIFIED_UINT32 32
/**
* Maximum value of valid array index
*
* See also:
* ECMA-262 v5, 15.4
*/
#define ECMA_MAX_VALUE_OF_VALID_ARRAY_INDEX ((uint32_t) (-1))
/**
* Description of a collection's/string's length
*/
typedef uint16_t ecma_length_t;
/**
* Description of a collection's header.
*/
typedef struct
{
/** Compressed pointer to next chunk with collection's data */
uint16_t next_chunk_cp;
/** Number of elements in the collection */
ecma_length_t unit_number;
/** Place for the collection's data */
uint8_t data[ sizeof (uint64_t) - sizeof (uint32_t) ];
} ecma_collection_header_t;
/**
* Description of non-first chunk in a collection's chain of chunks
*/
typedef struct
{
/** Compressed pointer to next chunk */
uint16_t next_chunk_cp;
/** Characters */
uint8_t data[ sizeof (uint64_t) - sizeof (uint16_t) ];
} ecma_collection_chunk_t;
/**
* Identifier for ecma-string's actual data container
*/
typedef enum
{
ECMA_STRING_CONTAINER_LIT_TABLE, /**< actual data is in literal table */
ECMA_STRING_CONTAINER_HEAP_CHUNKS, /**< actual data is on the heap
in a ecma_collection_chunk_t chain */
ECMA_STRING_CONTAINER_HEAP_NUMBER, /**< actual data is on the heap as a ecma_number_t */
ECMA_STRING_CONTAINER_CHARS_IN_DESC, /**< actual data are several characters
stored locally in the string's descriptor */
ECMA_STRING_CONTAINER_UINT32_IN_DESC, /**< actual data is UInt32-represeneted Number
stored locally in the string's descriptor */
ECMA_STRING_CONTAINER_CONCATENATION, /**< the ecma-string is concatenation of two specified ecma-strings */
ECMA_STRING_CONTAINER_MAGIC_STRING /**< the ecma-string is equal to one of ECMA magic strings */
} ecma_string_container_t;
FIXME (Move to library that should define the type (libserializer /* ? */))
/**
* Index in literal table
*/
typedef uint32_t literal_index_t;
/**
* Identifiers of ECMA magic string constants
*/
typedef enum
{
ECMA_MAGIC_STRING_ARGUMENTS, /**< "arguments" */
ECMA_MAGIC_STRING_EVAL, /**< "eval" */
ECMA_MAGIC_STRING_PROTOTYPE, /**< "prototype" */
ECMA_MAGIC_STRING_CONSTRUCTOR, /**< "constructor" */
ECMA_MAGIC_STRING_CALLER, /**< "caller" */
ECMA_MAGIC_STRING_CALLEE, /**< "callee" */
ECMA_MAGIC_STRING_UNDEFINED, /**< "undefined" */
ECMA_MAGIC_STRING_NULL, /**< "null" */
ECMA_MAGIC_STRING_FALSE, /**< "false" */
ECMA_MAGIC_STRING_TRUE, /**< "true" */
ECMA_MAGIC_STRING_BOOLEAN, /**< "boolean" */
ECMA_MAGIC_STRING_NUMBER, /**< "number" */
ECMA_MAGIC_STRING_STRING, /**< "string" */
ECMA_MAGIC_STRING_OBJECT, /**< "object" */
ECMA_MAGIC_STRING_FUNCTION, /**< "function" */
ECMA_MAGIC_STRING_LENGTH, /**< "length" */
ECMA_MAGIC_STRING_NAN, /**< "NaN" */
ECMA_MAGIC_STRING_INFINITY_UL, /**< "Infinity" */
ECMA_MAGIC_STRING_UNDEFINED_UL, /**< "Undefined" */
ECMA_MAGIC_STRING_NULL_UL, /**< "Null" */
ECMA_MAGIC_STRING_OBJECT_UL, /**< "Object" */
ECMA_MAGIC_STRING_FUNCTION_UL, /**< "Function" */
ECMA_MAGIC_STRING_ARRAY_UL, /**< "Array" */
ECMA_MAGIC_STRING_ARGUMENTS_UL, /**< "Arguments" */
ECMA_MAGIC_STRING_STRING_UL, /**< "String" */
ECMA_MAGIC_STRING_BOOLEAN_UL, /**< "Boolean" */
ECMA_MAGIC_STRING_NUMBER_UL, /**< "Number" */
ECMA_MAGIC_STRING_DATE_UL, /**< "Date" */
ECMA_MAGIC_STRING_REG_EXP_UL, /**< "RegExp" */
ECMA_MAGIC_STRING_ERROR_UL, /**< "Error" */
ECMA_MAGIC_STRING_EVAL_ERROR_UL, /**< "EvalError" */
ECMA_MAGIC_STRING_RANGE_ERROR_UL, /**< "RangeError" */
ECMA_MAGIC_STRING_REFERENCE_ERROR_UL, /**< "ReferenceError" */
ECMA_MAGIC_STRING_SYNTAX_ERROR_UL, /**< "SyntaxError" */
ECMA_MAGIC_STRING_TYPE_ERROR_UL, /**< "TypeError" */
ECMA_MAGIC_STRING_URI_ERROR_UL, /**< "URIError" */
ECMA_MAGIC_STRING_MATH_UL, /**< "Math" */
ECMA_MAGIC_STRING_JSON_U, /**< "JSON" */
ECMA_MAGIC_STRING_PARSE_INT, /**< "parseInt" */
ECMA_MAGIC_STRING_PARSE_FLOAT, /**< "parseFloat" */
ECMA_MAGIC_STRING_IS_NAN, /**< "isNaN" */
ECMA_MAGIC_STRING_IS_FINITE, /**< "isFinite" */
ECMA_MAGIC_STRING_DECODE_URI, /**< "decodeURI" */
ECMA_MAGIC_STRING_DECODE_URI_COMPONENT, /**< "decodeURIComponent" */
ECMA_MAGIC_STRING_ENCODE_URI, /**< "encodeURI" */
ECMA_MAGIC_STRING_ENCODE_URI_COMPONENT, /**< "encodeURIComponent" */
ECMA_MAGIC_STRING_GET_PROTOTYPE_OF_UL, /**< "getPrototypeOf" */
ECMA_MAGIC_STRING_GET_OWN_PROPERTY_DESCRIPTOR_UL, /**< "getOwnPropertyDescriptor" */
ECMA_MAGIC_STRING_GET_OWN_PROPERTY_NAMES_UL, /**< "getOwnPropertyNames" */
ECMA_MAGIC_STRING_CREATE, /**< "create" */
ECMA_MAGIC_STRING_DEFINE_PROPERTY_UL, /**< "defineProperty" */
ECMA_MAGIC_STRING_DEFINE_PROPERTIES_UL, /**< "defineProperties" */
ECMA_MAGIC_STRING_SEAL, /**< "seal" */
ECMA_MAGIC_STRING_FREEZE, /**< "freeze" */
ECMA_MAGIC_STRING_PREVENT_EXTENSIONS_UL, /**< "preventExtensions" */
ECMA_MAGIC_STRING_IS_SEALED_UL, /**< "isSealed" */
ECMA_MAGIC_STRING_IS_FROZEN_UL, /**< "isFrozen" */
ECMA_MAGIC_STRING_IS_EXTENSIBLE, /**< "isExtensible" */
ECMA_MAGIC_STRING_KEYS, /**< "keys" */
ECMA_MAGIC_STRING_WRITABLE, /**< "writable" */
ECMA_MAGIC_STRING_ENUMERABLE, /**< "enumerable" */
ECMA_MAGIC_STRING_CONFIGURABLE, /**< "configurable" */
ECMA_MAGIC_STRING_VALUE, /**< "value" */
ECMA_MAGIC_STRING_GET, /**< "get" */
ECMA_MAGIC_STRING_SET, /**< "set" */
ECMA_MAGIC_STRING_E_U, /**< "E" */
ECMA_MAGIC_STRING_LN10_U, /**< "LN10" */
ECMA_MAGIC_STRING_LN2_U, /**< "LN2" */
ECMA_MAGIC_STRING_LOG2E_U, /**< "LOG2E" */
ECMA_MAGIC_STRING_LOG10E_U, /**< "LOG10E" */
ECMA_MAGIC_STRING_PI_U, /**< "PI" */
ECMA_MAGIC_STRING_SQRT1_2_U, /**< "SQRT1_2" */
ECMA_MAGIC_STRING_SQRT2_U, /**< "SQRT2" */
ECMA_MAGIC_STRING_ABS, /**< "abs" */
ECMA_MAGIC_STRING_ACOS, /**< "acos" */
ECMA_MAGIC_STRING_ASIN, /**< "asin" */
ECMA_MAGIC_STRING_ATAN, /**< "atan" */
ECMA_MAGIC_STRING_ATAN2, /**< "atan2" */
ECMA_MAGIC_STRING_CEIL, /**< "ceil" */
ECMA_MAGIC_STRING_COS, /**< "cos" */
ECMA_MAGIC_STRING_EXP, /** "exp" */
ECMA_MAGIC_STRING_FLOOR, /**< "floor" */
ECMA_MAGIC_STRING_LOG, /**< "log" */
ECMA_MAGIC_STRING_MAX, /**< "max" */
ECMA_MAGIC_STRING_MIN, /**< "min" */
ECMA_MAGIC_STRING_POW, /**< "pow" */
ECMA_MAGIC_STRING_RANDOM, /**< "random" */
ECMA_MAGIC_STRING_ROUND, /**< "round" */
ECMA_MAGIC_STRING_SIN, /**< "sin" */
ECMA_MAGIC_STRING_SQRT, /**< "sqrt" */
ECMA_MAGIC_STRING_TAN, /**< "tan" */
ECMA_MAGIC_STRING_FROM_CHAR_CODE_UL, /**< "fromCharCode" */
ECMA_MAGIC_STRING_IS_ARRAY_UL, /**< "isArray" */
ECMA_MAGIC_STRING_TO_STRING_UL, /**< "toString" */
ECMA_MAGIC_STRING_VALUE_OF_UL, /**< "valueOf" */
ECMA_MAGIC_STRING_TO_LOCALE_STRING_UL, /**< "toLocaleString" */
ECMA_MAGIC_STRING_HAS_OWN_PROPERTY_UL, /**< "hasOwnProperty" */
ECMA_MAGIC_STRING_IS_PROTOTYPE_OF_UL, /**< "isPrototypeOf" */
ECMA_MAGIC_STRING_PROPERTY_IS_ENUMERABLE_UL, /**< "propertyIsEnumerable" */
ECMA_MAGIC_STRING_CONCAT, /**< "concat" */
ECMA_MAGIC_STRING_POP, /**< "pop" */
ECMA_MAGIC_STRING_JOIN, /**< "join" */
ECMA_MAGIC_STRING_PUSH, /**< "push" */
ECMA_MAGIC_STRING_REVERSE, /**< "reverse" */
ECMA_MAGIC_STRING_SHIFT, /**< "shift" */
ECMA_MAGIC_STRING_SLICE, /**< "slice" */
ECMA_MAGIC_STRING_SORT, /**< "sort" */
ECMA_MAGIC_STRING_SPLICE, /**< "splice" */
ECMA_MAGIC_STRING_UNSHIFT, /**< "unshift" */
ECMA_MAGIC_STRING_INDEX_OF_UL, /**< "indexOf" */
ECMA_MAGIC_STRING_LAST_INDEX_OF_UL, /**< "lastIndexOf" */
ECMA_MAGIC_STRING_EVERY, /**< "every" */
ECMA_MAGIC_STRING_SOME, /**< "some" */
ECMA_MAGIC_STRING_FOR_EACH_UL, /**< "forEach" */
ECMA_MAGIC_STRING_MAP, /**< "map" */
ECMA_MAGIC_STRING_FILTER, /**< "filter" */
ECMA_MAGIC_STRING_REDUCE, /**< "reduce" */
ECMA_MAGIC_STRING_REDUCE_RIGHT_UL, /**< "reduceRight" */
ECMA_MAGIC_STRING_CHAR_AT_UL, /**< "charAt" */
ECMA_MAGIC_STRING_CHAR_CODE_AT_UL, /**< "charCodeAt" */
ECMA_MAGIC_STRING_LOCALE_COMPARE_UL, /**< "localeCompare" */
ECMA_MAGIC_STRING_MATCH, /**< "match" */
ECMA_MAGIC_STRING_REPLACE, /**< "replace" */
ECMA_MAGIC_STRING_SEARCH, /**< "search" */
ECMA_MAGIC_STRING_SPLIT, /**< "split" */
ECMA_MAGIC_STRING_SUBSTRING, /**< "substring" */
ECMA_MAGIC_STRING_TO_LOWER_CASE_UL, /**< "toLowerCase" */
ECMA_MAGIC_STRING_TO_LOCALE_LOWER_CASE_UL, /**< "toLocaleLowerCase" */
ECMA_MAGIC_STRING_TO_UPPER_CASE_UL, /**< "toUpperCase" */
ECMA_MAGIC_STRING_TO_LOCALE_UPPER_CASE_UL, /**< "toLocaleUpperCase" */
ECMA_MAGIC_STRING_TRIM, /**< "trim" */
ECMA_MAGIC_STRING_TO_FIXED_UL, /**< "toFixed" */
ECMA_MAGIC_STRING_TO_EXPONENTIAL_UL, /**< "toExponential" */
ECMA_MAGIC_STRING_TO_PRECISION_UL, /**< "toPrecision" */
ECMA_MAGIC_STRING_TO_DATE_STRING_UL, /**< "toDateString" */
ECMA_MAGIC_STRING_TO_TIME_STRING_UL, /**< "toTimeString" */
ECMA_MAGIC_STRING_TO_LOCALE_DATE_STRING_UL, /**< "toLocaleDateString" */
ECMA_MAGIC_STRING_TO_LOCALE_TIME_STRING_UL, /**< "toLocaleTimeString" */
ECMA_MAGIC_STRING_GET_TIME_UL, /**< "getTime" */
ECMA_MAGIC_STRING_GET_FULL_YEAR_UL, /**< "getFullYear" */
ECMA_MAGIC_STRING_GET_UTC_FULL_YEAR_UL, /**< "getUTCFullYear" */
ECMA_MAGIC_STRING_GET_MONTH_UL, /**< "getMonth" */
ECMA_MAGIC_STRING_GET_UTC_MONTH_UL, /**< "getUTCMonth" */
ECMA_MAGIC_STRING_GET_DATE_UL, /**< "getDate" */
ECMA_MAGIC_STRING_GET_UTC_DATE_UL, /**< "getUTCDate" */
ECMA_MAGIC_STRING_GET_DAY_UL, /**< "getDay" */
ECMA_MAGIC_STRING_GET_UTC_DAY_UL, /**< "getUTCDay" */
ECMA_MAGIC_STRING_GET_HOURS_UL, /**< "getHours" */
ECMA_MAGIC_STRING_GET_UTC_HOURS_UL, /**< "getUTCHours" */
ECMA_MAGIC_STRING_GET_MINUTES_UL, /**< "getMinutes" */
ECMA_MAGIC_STRING_GET_UTC_MINUTES_UL, /**< "getUTCMinutes" */
ECMA_MAGIC_STRING_GET_SECONDS_UL, /**< "getSeconds" */
ECMA_MAGIC_STRING_GET_UTC_SECONDS_UL, /**< "getUTCSeconds" */
ECMA_MAGIC_STRING_GET_MILLISECONDS_UL, /**< "getMilliseconds" */
ECMA_MAGIC_STRING_GET_UTC_MILLISECONDS_UL, /**< "getUTCMilliseconds" */
ECMA_MAGIC_STRING_GET_TIMEZONE_OFFSET_UL, /**< "getTimezoneOffset" */
ECMA_MAGIC_STRING_SET_TIME_UL, /**< "setTime" */
ECMA_MAGIC_STRING_SET_MILLISECONDS_UL, /**< "setMilliseconds" */
ECMA_MAGIC_STRING_SET_UTC_MILLISECONDS_UL, /**< "setUTCMilliseconds" */
ECMA_MAGIC_STRING_SET_SECONDS_UL, /**< "setSeconds" */
ECMA_MAGIC_STRING_SET_UTC_SECONDS_UL, /**< "setUTCSeconds" */
ECMA_MAGIC_STRING_SET_MINUTES_UL, /**< "setMinutes" */
ECMA_MAGIC_STRING_SET_UTC_MINUTES_UL, /**< "setUTCMinutes" */
ECMA_MAGIC_STRING_SET_HOURS_UL, /**< "setHours" */
ECMA_MAGIC_STRING_SET_UTC_HOURS_UL, /**< "setUTCHours" */
ECMA_MAGIC_STRING_SET_DATE_UL, /**< "setDate" */
ECMA_MAGIC_STRING_SET_UTC_DATE_UL, /**< "setUTCDate" */
ECMA_MAGIC_STRING_SET_MONTH_UL, /**< "setMonth" */
ECMA_MAGIC_STRING_SET_UTC_MONTH_UL, /**< "setUTCMonth" */
ECMA_MAGIC_STRING_SET_FULL_YEAR_UL, /**< "setFullYear" */
ECMA_MAGIC_STRING_SET_UTC_FULL_YEAR_UL, /**< "setUTCFullYear" */
ECMA_MAGIC_STRING_TO_UTC_STRING_UL, /**< "toUTCString" */
ECMA_MAGIC_STRING_TO_ISO_STRING_UL, /**< "toISOString" */
ECMA_MAGIC_STRING_TO_JSON_UL, /**< "toJSON" */
ECMA_MAGIC_STRING_MAX_VALUE_U, /**< "MAX_VALUE" */
ECMA_MAGIC_STRING_MIN_VALUE_U, /**< "MIN_VALUE" */
ECMA_MAGIC_STRING_POSITIVE_INFINITY_U, /**< "POSITIVE_INFINITY" */
ECMA_MAGIC_STRING_NEGATIVE_INFINITY_U, /**< "NEGATIVE_INFINITY" */
ECMA_MAGIC_STRING_COMPACT_PROFILE_ERROR_UL, /**< "CompactProfileError" */
ECMA_MAGIC_STRING_APPLY, /**< "apply" */
ECMA_MAGIC_STRING_CALL, /**< "call" */
ECMA_MAGIC_STRING_BIND, /**< "bind" */
ECMA_MAGIC_STRING_EXEC, /**< "exec" */
ECMA_MAGIC_STRING_TEST, /**< "test" */
ECMA_MAGIC_STRING_NAME, /**< "name" */
ECMA_MAGIC_STRING_MESSAGE, /**< "message" */
ECMA_MAGIC_STRING_LEFT_SQUARE_CHAR, /**< "[" */
ECMA_MAGIC_STRING_RIGHT_SQUARE_CHAR, /**< "]" */
ECMA_MAGIC_STRING_SPACE_CHAR, /**< " " */
ECMA_MAGIC_STRING__EMPTY, /**< "" */
ECMA_MAGIC_STRING__COUNT /**< number of magic strings */
} ecma_magic_string_id_t;
/**
* ECMA string-value descriptor
*/
typedef struct
{
/** Reference counter for the string */
unsigned int refs : CONFIG_ECMA_REFERENCE_COUNTER_WIDTH;
/** Where the string's data is placed (ecma_string_container_t) */
unsigned int container : 3;
/** String's length */
ecma_length_t length;
/**
* Actual data or identifier of it's place in container (depending on 'container' field)
*/
union
{
/** Index of string in literal table */
literal_index_t lit_index;
/** Compressed pointer to an ecma_collection_chunk_t */
unsigned int chunk_cp : ECMA_POINTER_FIELD_WIDTH;
/** Compressed pointer to an ecma_number_t */
unsigned int number_cp : ECMA_POINTER_FIELD_WIDTH;
/** Actual data placed locally in the descriptor */
ecma_char_t chars[ sizeof (uint32_t) ];
/** UInt32-represented number placed locally in the descriptor */
uint32_t uint32_number;
/** Representation of concatenation */
struct
{
unsigned int string1_cp : ECMA_POINTER_FIELD_WIDTH;
unsigned int string2_cp : ECMA_POINTER_FIELD_WIDTH;
} concatenation;
/** Identifier of magic string */
ecma_magic_string_id_t magic_string_id;
} u;
} ecma_string_t;
/**
* \addtogroup reference ECMA-reference
* @{
*/
/**
* ECMA-reference (see also: ECMA-262 v5, 8.7).
*/
typedef struct
{
/** base value */
ecma_value_t base;
/** referenced name */
ecma_string_t *referenced_name_p;
/** strict reference flag */
bool is_strict;
} ecma_reference_t;
/**
* @}
*/
#endif /* JERRY_ECMA_GLOBALS_H */
/**
* @}
* @}
*/
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