v8  6.8.275 (node 10.15.3)
V8 is Google's open source JavaScript engine
v8.h File Reference
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <memory>
#include <utility>
#include <vector>
#include "v8-version.h"
#include "v8config.h"
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Go to the source code of this file.

Data Structures

struct  SmiTagging< 4 >
 
struct  SmiTagging< 8 >
 
class  Local< T >
 
class  MaybeLocal< T >
 
class  Eternal< T >
 
class  WeakCallbackInfo< T >
 
class  PersistentBase< T >
 
class  NonCopyablePersistentTraits< T >
 
struct  CopyablePersistentTraits< T >
 
class  Persistent< T, M >
 
class  Global< T >
 
class  HandleScope
 
class  EscapableHandleScope
 
class  SealHandleScope
 
class  Data
 
class  ScriptOrModule
 
class  PrimitiveArray
 
class  ScriptOriginOptions
 
class  ScriptOrigin
 
class  UnboundScript
 
class  UnboundModuleScript
 
class  Location
 
class  Module
 
class  Script
 
class  ScriptCompiler
 
struct  ScriptCompiler::CachedData
 
class  ScriptCompiler::Source
 
class  ScriptCompiler::ExternalSourceStream
 
class  ScriptCompiler::StreamedSource
 
class  ScriptCompiler::ScriptStreamingTask
 
class  Message
 
class  StackTrace
 
class  StackFrame
 
struct  RegisterState
 
struct  SampleInfo
 
class  JSON
 
class  ValueSerializer
 
class  ValueSerializer::Delegate
 
class  ValueDeserializer
 
class  ValueDeserializer::Delegate
 
class  Value
 
class  Primitive
 
class  Boolean
 
class  Name
 
class  String
 
class  String::ExternalStringResourceBase
 
class  String::ExternalStringResource
 
class  String::ExternalOneByteStringResource
 
class  String::Utf8Value
 
class  String::Value
 
class  Symbol
 
class  Private
 
class  Number
 
class  Integer
 
class  Int32
 
class  Uint32
 
class  BigInt
 
class  Object
 
class  Array
 
class  Map
 
class  Set
 
class  ReturnValue< T >
 
class  FunctionCallbackInfo< T >
 
class  PropertyCallbackInfo< T >
 
class  Function
 
class  Promise
 
class  Promise::Resolver
 
class  PropertyDescriptor
 
class  Proxy
 
class  WasmCompiledModule
 
class  WasmCompiledModule::TransferrableModule
 
class  WasmModuleObjectBuilderStreaming
 
class  ArrayBuffer
 
class  ArrayBuffer::Allocator
 
class  ArrayBuffer::Contents
 
class  ArrayBufferView
 
class  TypedArray
 
class  Uint8Array
 
class  Uint8ClampedArray
 
class  Int8Array
 
class  Uint16Array
 
class  Int16Array
 
class  Uint32Array
 
class  Int32Array
 
class  Float32Array
 
class  Float64Array
 
class  BigInt64Array
 
class  BigUint64Array
 
class  DataView
 
class  SharedArrayBuffer
 
class  SharedArrayBuffer::Contents
 
class  Date
 
class  NumberObject
 
class  BigIntObject
 
class  BooleanObject
 
class  StringObject
 
class  SymbolObject
 
class  RegExp
 
class  External
 
class  Template
 
class  FunctionTemplate
 
struct  NamedPropertyHandlerConfiguration
 
struct  IndexedPropertyHandlerConfiguration
 
class  ObjectTemplate
 
class  Signature
 
class  AccessorSignature
 
class  ExternalOneByteStringResourceImpl
 
class  Extension
 
class  ResourceConstraints
 
class  Exception
 
class  PromiseRejectMessage
 
class  MicrotasksScope
 
class  HeapStatistics
 
class  HeapSpaceStatistics
 
class  HeapObjectStatistics
 
class  HeapCodeStatistics
 
struct  JitCodeEvent
 
struct  JitCodeEvent::name_t
 
struct  JitCodeEvent::line_info_t
 
class  ExternalResourceVisitor
 
class  PersistentHandleVisitor
 
class  EmbedderHeapTracer
 
struct  EmbedderHeapTracer::AdvanceTracingActions
 
struct  SerializeInternalFieldsCallback
 
struct  DeserializeInternalFieldsCallback
 
class  Isolate
 
struct  Isolate::CreateParams
 
class  Isolate::Scope
 
class  Isolate::DisallowJavascriptExecutionScope
 
class  Isolate::AllowJavascriptExecutionScope
 
class  Isolate::SuppressMicrotaskExecutionScope
 
class  Isolate::SafeForTerminationScope
 
class  StartupData
 
class  V8
 
class  SnapshotCreator
 
class  Maybe< T >
 
class  Maybe< void >
 
class  TryCatch
 
class  ExtensionConfiguration
 
class  Context
 
class  Context::Scope
 
class  Context::BackupIncumbentScope
 
class  Unlocker
 
class  Locker
 
class  Internals
 
struct  CastCheck< PerformCheck >
 

Namespaces

 v8
 
 v8::internal
 
 v8::internal::wasm
 
 v8::debug
 

Macros

#define V8_EXPORT
 
#define TYPE_CHECK(T, S)
 
#define V8_PROMISE_INTERNAL_FIELD_COUNT   0
 
#define V8_ARRAY_BUFFER_INTERNAL_FIELD_COUNT   2
 
#define V8_ARRAY_BUFFER_VIEW_INTERNAL_FIELD_COUNT   2
 
#define V8_INTRINSICS_LIST(F)
 
#define V8_DECL_INTRINSIC(name, iname)   k##name,
 

Typedefs

typedef SmiTagging< kApiPointerSize > PlatformSmiTagging
 
template<class T >
using Handle = Local< T >
 
template<class T >
using UniquePersistent = Global< T >
 
typedef void(* AccessorGetterCallback) (Local< String > property, const PropertyCallbackInfo< Value > &info)
 
typedef void(* AccessorNameGetterCallback) (Local< Name > property, const PropertyCallbackInfo< Value > &info)
 
typedef void(* AccessorSetterCallback) (Local< String > property, Local< Value > value, const PropertyCallbackInfo< void > &info)
 
typedef void(* AccessorNameSetterCallback) (Local< Name > property, Local< Value > value, const PropertyCallbackInfo< void > &info)
 
typedef void(* FunctionCallback) (const FunctionCallbackInfo< Value > &info)
 
typedef void(* NamedPropertyGetterCallback) (Local< String > property, const PropertyCallbackInfo< Value > &info)
 
typedef void(* NamedPropertySetterCallback) (Local< String > property, Local< Value > value, const PropertyCallbackInfo< Value > &info)
 
typedef void(* NamedPropertyQueryCallback) (Local< String > property, const PropertyCallbackInfo< Integer > &info)
 
typedef void(* NamedPropertyDeleterCallback) (Local< String > property, const PropertyCallbackInfo< Boolean > &info)
 
typedef void(* NamedPropertyEnumeratorCallback) (const PropertyCallbackInfo< Array > &info)
 
typedef void(* GenericNamedPropertyGetterCallback) (Local< Name > property, const PropertyCallbackInfo< Value > &info)
 
typedef void(* GenericNamedPropertySetterCallback) (Local< Name > property, Local< Value > value, const PropertyCallbackInfo< Value > &info)
 
typedef void(* GenericNamedPropertyQueryCallback) (Local< Name > property, const PropertyCallbackInfo< Integer > &info)
 
typedef void(* GenericNamedPropertyDeleterCallback) (Local< Name > property, const PropertyCallbackInfo< Boolean > &info)
 
typedef void(* GenericNamedPropertyEnumeratorCallback) (const PropertyCallbackInfo< Array > &info)
 
typedef void(* GenericNamedPropertyDefinerCallback) (Local< Name > property, const PropertyDescriptor &desc, const PropertyCallbackInfo< Value > &info)
 
typedef void(* GenericNamedPropertyDescriptorCallback) (Local< Name > property, const PropertyCallbackInfo< Value > &info)
 
typedef void(* IndexedPropertyGetterCallback) (uint32_t index, const PropertyCallbackInfo< Value > &info)
 
typedef void(* IndexedPropertySetterCallback) (uint32_t index, Local< Value > value, const PropertyCallbackInfo< Value > &info)
 
typedef void(* IndexedPropertyQueryCallback) (uint32_t index, const PropertyCallbackInfo< Integer > &info)
 
typedef void(* IndexedPropertyDeleterCallback) (uint32_t index, const PropertyCallbackInfo< Boolean > &info)
 
typedef void(* IndexedPropertyEnumeratorCallback) (const PropertyCallbackInfo< Array > &info)
 
typedef void(* IndexedPropertyDefinerCallback) (uint32_t index, const PropertyDescriptor &desc, const PropertyCallbackInfo< Value > &info)
 
typedef void(* IndexedPropertyDescriptorCallback) (uint32_t index, const PropertyCallbackInfo< Value > &info)
 
typedef bool(* AccessCheckCallback) (Local< Context > accessing_context, Local< Object > accessed_object, Local< Value > data)
 
typedef void(* FatalErrorCallback) (const char *location, const char *message)
 
typedef void(* OOMErrorCallback) (const char *location, bool is_heap_oom)
 
typedef void(* DcheckErrorCallback) (const char *file, int line, const char *message)
 
typedef void(* MessageCallback) (Local< Message > message, Local< Value > data)
 
typedef void(* LogEventCallback) (const char *name, int event)
 
typedef int *(* CounterLookupCallback) (const char *name)
 
typedef void *(* CreateHistogramCallback) (const char *name, int min, int max, size_t buckets)
 
typedef void(* AddHistogramSampleCallback) (void *histogram, int sample)
 
typedef void(* BeforeCallEnteredCallback) (Isolate *)
 
typedef void(* CallCompletedCallback) (Isolate *)
 
typedef void(* DeprecatedCallCompletedCallback) ()
 
typedef MaybeLocal< Promise >(* HostImportModuleDynamicallyCallback) (Local< Context > context, Local< ScriptOrModule > referrer, Local< String > specifier)
 
typedef void(* HostInitializeImportMetaObjectCallback) (Local< Context > context, Local< Module > module, Local< Object > meta)
 
typedef void(* PromiseHook) (PromiseHookType type, Local< Promise > promise, Local< Value > parent)
 
typedef void(* PromiseRejectCallback) (PromiseRejectMessage message)
 
typedef void(* MicrotasksCompletedCallback) (Isolate *)
 
typedef void(* MicrotaskCallback) (void *data)
 
typedef void(* FailedAccessCheckCallback) (Local< Object > target, AccessType type, Local< Value > data)
 
typedef bool(* AllowCodeGenerationFromStringsCallback) (Local< Context > context, Local< String > source)
 
typedef bool(* ExtensionCallback) (const FunctionCallbackInfo< Value > &)
 
typedef bool(* AllowWasmCodeGenerationCallback) (Local< Context > context, Local< String > source)
 
typedef void(* ApiImplementationCallback) (const FunctionCallbackInfo< Value > &)
 
typedef void(* GCCallback) (GCType type, GCCallbackFlags flags)
 
typedef void(* InterruptCallback) (Isolate *isolate, void *data)
 
typedef size_t(* NearHeapLimitCallback) (void *data, size_t current_heap_limit, size_t initial_heap_limit)
 
typedef void(* FunctionEntryHook) (uintptr_t function, uintptr_t return_addr_location)
 
typedef void(* JitCodeEventHandler) (const JitCodeEvent *event)
 
typedef SerializeInternalFieldsCallback SerializeEmbedderFieldsCallback
 
typedef DeserializeInternalFieldsCallback DeserializeEmbedderFieldsCallback
 
typedef bool(* EntropySource) (unsigned char *buffer, size_t length)
 
typedef uintptr_t(* ReturnAddressLocationResolver) (uintptr_t return_addr_location)
 

Enumerations

enum class  WeakCallbackType { kParameter , kInternalFields , kFinalizer }
 
enum  StateTag {
  JS , GC , PARSER , BYTECODE_COMPILER ,
  COMPILER , OTHER , EXTERNAL , IDLE
}
 
enum class  NewStringType { kNormal , kInternalized }
 
enum  PropertyAttribute { None = 0 , ReadOnly = 1 << 0 , DontEnum = 1 << 1 , DontDelete = 1 << 2 }
 
enum  AccessControl { DEFAULT = 0 , ALL_CAN_READ = 1 , ALL_CAN_WRITE = 1 << 1 , PROHIBITS_OVERWRITING = 1 << 2 }
 
enum  PropertyFilter {
  ALL_PROPERTIES = 0 , ONLY_WRITABLE = 1 , ONLY_ENUMERABLE = 2 , ONLY_CONFIGURABLE = 4 ,
  SKIP_STRINGS = 8 , SKIP_SYMBOLS = 16
}
 
enum class  SideEffectType { kHasSideEffect , kHasNoSideEffect }
 
enum class  KeyCollectionMode { kOwnOnly , kIncludePrototypes }
 
enum class  IndexFilter { kIncludeIndices , kSkipIndices }
 
enum class  KeyConversionMode { kConvertToString , kKeepNumbers }
 
enum class  IntegrityLevel { kFrozen , kSealed }
 
enum class  ConstructorBehavior { kThrow , kAllow }
 
enum class  ArrayBufferCreationMode { kInternalized , kExternalized }
 
enum  Intrinsic
 
enum  AccessType {
  ACCESS_GET , ACCESS_SET , ACCESS_HAS , ACCESS_DELETE ,
  ACCESS_KEYS
}
 
enum class  PropertyHandlerFlags {
  kNone = 0 , kAllCanRead = 1 , kNonMasking = 1 << 1 , kOnlyInterceptStrings = 1 << 2 ,
  kHasNoSideEffect = 1 << 3
}
 
enum class  PromiseHookType { kInit , kResolve , kBefore , kAfter }
 
enum  PromiseRejectEvent { kPromiseRejectWithNoHandler = 0 , kPromiseHandlerAddedAfterReject = 1 }
 
enum class  MicrotasksPolicy { kExplicit , kScoped , kAuto }
 
enum  GCType {
  kGCTypeScavenge = 1 << 0 , kGCTypeMarkSweepCompact = 1 << 1 , kGCTypeIncrementalMarking = 1 << 2 , kGCTypeProcessWeakCallbacks = 1 << 3 ,
  kGCTypeAll
}
 
enum  GCCallbackFlags {
  kNoGCCallbackFlags = 0 , kGCCallbackFlagConstructRetainedObjectInfos = 1 << 1 , kGCCallbackFlagForced = 1 << 2 , kGCCallbackFlagSynchronousPhantomCallbackProcessing = 1 << 3 ,
  kGCCallbackFlagCollectAllAvailableGarbage = 1 << 4 , kGCCallbackFlagCollectAllExternalMemory = 1 << 5 , kGCCallbackScheduleIdleGarbageCollection = 1 << 6
}
 
enum  RAILMode { PERFORMANCE_RESPONSE , PERFORMANCE_ANIMATION , PERFORMANCE_IDLE , PERFORMANCE_LOAD }
 
enum  JitCodeEventOptions { kJitCodeEventDefault = 0 , kJitCodeEventEnumExisting = 1 }
 
enum class  MemoryPressureLevel { kNone , kModerate , kCritical }
 

Functions

template<int kSmiShiftSize>
V8_INLINE internal::Object * IntToSmi (int value)
 
constexpr bool SmiValuesAre31Bits ()
 
constexpr bool SmiValuesAre32Bits ()
 
void V8_EXPORT RegisterExtension (Extension *extension)
 
V8_INLINE Local< Primitive > Undefined (Isolate *isolate)
 
V8_INLINE Local< Primitive > Null (Isolate *isolate)
 
V8_INLINE Local< Boolean > True (Isolate *isolate)
 
V8_INLINE Local< Boolean > False (Isolate *isolate)
 
template<class T >
Maybe< T > Nothing ()
 
template<class T >
Maybe< T > Just (const T &t)
 
Maybe< void > JustVoid ()
 
template<class T >
V8_INLINE void PerformCastCheck (T *data)
 

Variables

const int kApiPointerSize = sizeof(void*)
 
const int kApiDoubleSize = sizeof(double)
 
const int kApiIntSize = sizeof(int)
 
const int kApiInt64Size = sizeof(int64_t)
 
const int kHeapObjectTag = 1
 
const int kWeakHeapObjectTag = 3
 
const int kHeapObjectTagSize = 2
 
const intptr_t kHeapObjectTagMask = (1 << kHeapObjectTagSize) - 1
 
const int kSmiTag = 0
 
const int kSmiTagSize = 1
 
const intptr_t kSmiTagMask = (1 << kSmiTagSize) - 1
 
const int kSmiShiftSize = PlatformSmiTagging::kSmiShiftSize
 
const int kSmiValueSize = PlatformSmiTagging::kSmiValueSize
 
const int kSmiMinValue = (static_cast<unsigned int>(-1)) << (kSmiValueSize - 1)
 
const int kSmiMaxValue = -(kSmiMinValue + 1)
 

Macro Definition Documentation

◆ TYPE_CHECK

#define TYPE_CHECK (   T,
 
)
Value:
while (false) { \
*(static_cast<T* volatile*>(0)) = static_cast<S*>(0); \
}

Definition at line 256 of file v8.h.

◆ V8_ARRAY_BUFFER_INTERNAL_FIELD_COUNT

#define V8_ARRAY_BUFFER_INTERNAL_FIELD_COUNT   2

Definition at line 4422 of file v8.h.

◆ V8_ARRAY_BUFFER_VIEW_INTERNAL_FIELD_COUNT

#define V8_ARRAY_BUFFER_VIEW_INTERNAL_FIELD_COUNT   2

Definition at line 4605 of file v8.h.

◆ V8_DECL_INTRINSIC

#define V8_DECL_INTRINSIC (   name,
  iname 
)    k##name,

Definition at line 5187 of file v8.h.

◆ V8_EXPORT

#define V8_EXPORT

Definition at line 56 of file v8.h.

◆ V8_INTRINSICS_LIST

#define V8_INTRINSICS_LIST (   F)
Value:
F(ArrayProto_entries, array_entries_iterator) \
F(ArrayProto_forEach, array_for_each_iterator) \
F(ArrayProto_keys, array_keys_iterator) \
F(ArrayProto_values, array_values_iterator) \
F(ErrorPrototype, initial_error_prototype) \
F(IteratorPrototype, initial_iterator_prototype)

Definition at line 5178 of file v8.h.

◆ V8_PROMISE_INTERNAL_FIELD_COUNT

#define V8_PROMISE_INTERNAL_FIELD_COUNT   0

Definition at line 4108 of file v8.h.