instance-type.h File Reference

#include "include/v8-internal.h"
#include "src/objects/objects-definitions.h"
#include "torque-generated/instance-types.h"
#include "src/objects/object-macros.h"
#include "src/objects/object-macros-undef.h"

Include dependency graph for instance-type.h:

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Namespaces
namespace	v8
namespace	v8::internal
namespace	v8::internal::InstanceTypeChecker

Macros
#define	MAKE_TORQUE_INSTANCE_TYPE(TYPE, value)
#define	CHECK_STRING_RANGE(TYPE, ...)
#define	CHECK_NONSTRING_RANGE(TYPE)
#define	CHECK_INSTANCE_TYPE(TYPE)
#define	UNIQUE_LEAF_INSTANCE_TYPE_MAP_LIST_GENERATOR(V, _)
#define	UNIQUE_INSTANCE_TYPE_MAP_LIST_GENERATOR(V, _)

Enumerations
enum	v8::internal::StringRepresentationTag {   v8::internal::kSeqStringTag = 0x0 , v8::internal::kConsStringTag = 0x1 , v8::internal::kExternalStringTag = 0x2 , v8::internal::kSlicedStringTag = 0x3 ,   v8::internal::kThinStringTag = 0x5 }
enum	v8::internal::InstanceType : uint16_t {   v8::internal::INTERNALIZED_TWO_BYTE_STRING_TYPE , v8::internal::INTERNALIZED_ONE_BYTE_STRING_TYPE , v8::internal::EXTERNAL_INTERNALIZED_TWO_BYTE_STRING_TYPE , v8::internal::EXTERNAL_INTERNALIZED_ONE_BYTE_STRING_TYPE ,   v8::internal::UNCACHED_EXTERNAL_INTERNALIZED_TWO_BYTE_STRING_TYPE , v8::internal::UNCACHED_EXTERNAL_INTERNALIZED_ONE_BYTE_STRING_TYPE , v8::internal::SEQ_TWO_BYTE_STRING_TYPE , v8::internal::SEQ_ONE_BYTE_STRING_TYPE ,   v8::internal::CONS_TWO_BYTE_STRING_TYPE , v8::internal::CONS_ONE_BYTE_STRING_TYPE , v8::internal::SLICED_TWO_BYTE_STRING_TYPE , v8::internal::SLICED_ONE_BYTE_STRING_TYPE ,   v8::internal::EXTERNAL_TWO_BYTE_STRING_TYPE , v8::internal::EXTERNAL_ONE_BYTE_STRING_TYPE , v8::internal::UNCACHED_EXTERNAL_TWO_BYTE_STRING_TYPE , v8::internal::UNCACHED_EXTERNAL_ONE_BYTE_STRING_TYPE ,   v8::internal::THIN_TWO_BYTE_STRING_TYPE , v8::internal::THIN_ONE_BYTE_STRING_TYPE , v8::internal::SHARED_SEQ_TWO_BYTE_STRING_TYPE = SEQ_TWO_BYTE_STRING_TYPE | kSharedStringTag , v8::internal::SHARED_SEQ_ONE_BYTE_STRING_TYPE = SEQ_ONE_BYTE_STRING_TYPE | kSharedStringTag ,   v8::internal::SHARED_EXTERNAL_TWO_BYTE_STRING_TYPE , v8::internal::SHARED_EXTERNAL_ONE_BYTE_STRING_TYPE , v8::internal::SHARED_UNCACHED_EXTERNAL_TWO_BYTE_STRING_TYPE , v8::internal::SHARED_UNCACHED_EXTERNAL_ONE_BYTE_STRING_TYPE ,   v8::internal::FIRST_UNIQUE_NAME_TYPE = INTERNALIZED_TWO_BYTE_STRING_TYPE , v8::internal::LAST_UNIQUE_NAME_TYPE = SYMBOL_TYPE , v8::internal::FIRST_NONSTRING_TYPE = SYMBOL_TYPE , v8::internal::FIRST_CALLABLE_JS_FUNCTION_TYPE = FIRST_JS_FUNCTION_TYPE ,   v8::internal::LAST_CALLABLE_JS_FUNCTION_TYPE = JS_CLASS_CONSTRUCTOR_TYPE - 1 , v8::internal::LAST_SPECIAL_RECEIVER_TYPE = LAST_JS_SPECIAL_OBJECT_TYPE , v8::internal::LAST_CUSTOM_ELEMENTS_RECEIVER = LAST_JS_CUSTOM_ELEMENTS_OBJECT_TYPE , v8::internal::FIRST_TYPE = FIRST_HEAP_OBJECT_TYPE ,   v8::internal::LAST_TYPE = LAST_HEAP_OBJECT_TYPE , v8::internal::BIGINT_TYPE = BIG_INT_BASE_TYPE , v8::internal::DEPENDENT_CODE_TYPE = WEAK_ARRAY_LIST_TYPE }

Functions
static bool	v8::internal::IsShortcutCandidate (int type)
V8_EXPORT_PRIVATE std::ostream &	v8::internal::operator<< (std::ostream &os, InstanceType instance_type)
V8_EXPORT_PRIVATE std::string	v8::internal::ToString (InstanceType instance_type)
V8_INLINE bool	v8::internal::InstanceTypeChecker::IsSeqString (Tagged< Map > map_object)
V8_INLINE bool	v8::internal::InstanceTypeChecker::IsConsString (Tagged< Map > map_object)
V8_INLINE bool	v8::internal::InstanceTypeChecker::IsSlicedString (Tagged< Map > map_object)
V8_INLINE bool	v8::internal::InstanceTypeChecker::IsThinString (Tagged< Map > map_object)
V8_INLINE bool	v8::internal::InstanceTypeChecker::IsOneByteString (Tagged< Map > map_object)
V8_INLINE bool	v8::internal::InstanceTypeChecker::IsTwoByteString (Tagged< Map > map_object)

Variables
const uint32_t	v8::internal::kIsNotStringMask = ~((1 << 7) - 1)
const uint32_t	v8::internal::kStringTag = 0x0
const uint32_t	v8::internal::kStringRepresentationMask = (1 << 3) - 1
const uint32_t	v8::internal::kIsIndirectStringMask = 1 << 0
const uint32_t	v8::internal::kIsIndirectStringTag = 1 << 0
const uint32_t	v8::internal::kThinStringTagBit = 1 << 2
const uint32_t	v8::internal::kStringEncodingMask = 1 << 3
const uint32_t	v8::internal::kTwoByteStringTag = 0
const uint32_t	v8::internal::kOneByteStringTag = 1 << 3
constexpr uint32_t	v8::internal::kStringRepresentationAndEncodingMask
constexpr uint32_t	v8::internal::kSeqOneByteStringTag = kSeqStringTag | kOneByteStringTag
constexpr uint32_t	v8::internal::kSeqTwoByteStringTag = kSeqStringTag | kTwoByteStringTag
constexpr uint32_t	v8::internal::kExternalOneByteStringTag
constexpr uint32_t	v8::internal::kExternalTwoByteStringTag
const uint32_t	v8::internal::kUncachedExternalStringMask = 1 << 4
const uint32_t	v8::internal::kUncachedExternalStringTag = 1 << 4
const uint32_t	v8::internal::kIsNotInternalizedMask = 1 << 5
const uint32_t	v8::internal::kNotInternalizedTag = 1 << 5
const uint32_t	v8::internal::kInternalizedTag = 0
const uint32_t	v8::internal::kSharedStringMask = 1 << 6
const uint32_t	v8::internal::kSharedStringTag = 1 << 6
constexpr uint32_t	v8::internal::kStringRepresentationEncodingAndSharedMask
const uint32_t	v8::internal::kShortcutTypeMask
const uint32_t	v8::internal::kShortcutTypeTag = kConsStringTag | kNotInternalizedTag
constexpr InstanceType	v8::internal::LAST_STRING_TYPE
static constexpr InstanceType	v8::internal::PROPERTY_DICTIONARY_TYPE = NAME_DICTIONARY_TYPE

Macro Definition Documentation

CHECK_INSTANCE_TYPE

#define CHECK_INSTANCE_TYPE

(

TYPE

)

Value:

  static_assert((TYPE >= FIRST_JS_RECEIVER_TYPE &&                         \
                 TYPE <= LAST_SPECIAL_RECEIVER_TYPE) ==                    \
                (IF_WASM(EXPAND, TYPE == WASM_STRUCT_TYPE ||               \
                                 TYPE == WASM_ARRAY_TYPE ||)               \
                 TYPE == JS_PROXY_TYPE || TYPE == JS_GLOBAL_OBJECT_TYPE || \
                 TYPE == JS_GLOBAL_PROXY_TYPE ||                           \
                 TYPE == JS_MODULE_NAMESPACE_TYPE ||                       \
                 TYPE == JS_SPECIAL_API_OBJECT_TYPE));                     \
  static_assert((TYPE >= FIRST_JS_RECEIVER_TYPE &&                         \
                 TYPE <= LAST_CUSTOM_ELEMENTS_RECEIVER) ==                 \
                (IF_WASM(EXPAND, TYPE == WASM_STRUCT_TYPE ||               \
                                 TYPE == WASM_ARRAY_TYPE ||)               \
                 TYPE == JS_PROXY_TYPE || TYPE == JS_GLOBAL_OBJECT_TYPE || \
                 TYPE == JS_GLOBAL_PROXY_TYPE ||                           \
                 TYPE == JS_MODULE_NAMESPACE_TYPE ||                       \
                 TYPE == JS_SPECIAL_API_OBJECT_TYPE ||                     \
                 TYPE == JS_PRIMITIVE_WRAPPER_TYPE));

Definition at line 245 of file instance-type.h.

CHECK_NONSTRING_RANGE

#define CHECK_NONSTRING_RANGE

(

TYPE

)

Value:

static_assert(TYPE >= FIRST_NONSTRING_TYPE);

Definition at line 225 of file instance-type.h.

CHECK_STRING_RANGE

#define CHECK_STRING_RANGE	(		TYPE,
			... )

Value:

  static_assert(TYPE < FIRST_NONSTRING_TYPE);

Definition at line 221 of file instance-type.h.

MAKE_TORQUE_INSTANCE_TYPE

#define MAKE_TORQUE_INSTANCE_TYPE	(		TYPE,
			value )

Value:

TYPE = value,

Definition at line 177 of file instance-type.h.

UNIQUE_INSTANCE_TYPE_MAP_LIST_GENERATOR

#define UNIQUE_INSTANCE_TYPE_MAP_LIST_GENERATOR	(		V,
			_ )

Value:

  UNIQUE_LEAF_INSTANCE_TYPE_MAP_LIST_GENERATOR(V, _)                  \
  V(_, ByteArrayMap, byte_array_map, ByteArray)                       \
  V(_, NameDictionaryMap, name_dictionary_map, NameDictionary)        \
  V(_, OrderedNameDictionaryMap, ordered_name_dictionary_map,         \
    OrderedNameDictionary)                                            \
  V(_, GlobalDictionaryMap, global_dictionary_map, GlobalDictionary)  \
  V(_, GlobalPropertyCellMap, global_property_cell_map, PropertyCell) \
  V(_, GlobalContextSidePropertyCellMap,                              \
    global_context_side_property_cell_map, ContextSidePropertyCell)   \
  V(_, HeapNumberMap, heap_number_map, HeapNumber)                    \
  V(_, WeakFixedArrayMap, weak_fixed_array_map, WeakFixedArray)       \
  V(_, ScopeInfoMap, scope_info_map, ScopeInfo)                       \
  V(_, WeakArrayListMap, weak_array_list_map, WeakArrayList)          \
  TORQUE_DEFINED_MAP_CSA_LIST_GENERATOR(V, _)

Definition at line 318 of file instance-type.h.

UNIQUE_LEAF_INSTANCE_TYPE_MAP_LIST_GENERATOR

#define UNIQUE_LEAF_INSTANCE_TYPE_MAP_LIST_GENERATOR	(		V,
			_ )

Definition at line 281 of file instance-type.h.