5#ifndef INCLUDE_V8_CONTEXT_H_
6#define INCLUDE_V8_CONTEXT_H_
34 : name_count_(name_count), names_(names) {}
36 const char**
begin()
const {
return &names_[0]; }
37 const char**
end()
const {
return &names_[name_count_]; }
40 const int name_count_;
164 Isolate* isolate,
size_t context_snapshot_index,
260 "Use Isolate::GetCurrent() instead, which is guaranteed to return the "
261 "same isolate since https://crrev.com/c/6458560.")
310 V8_INLINE void* GetAlignedPointerFromEmbedderData(
int index);
412 friend class internal::Isolate;
414 uintptr_t JSStackComparableAddressPrivate()
const {
415 return js_stack_comparable_address_;
419 uintptr_t js_stack_comparable_address_ = 0;
431 static void CheckCast(
Data* obj);
436 void* SlowGetAlignedPointerFromEmbedderData(
int index);
442#ifndef V8_ENABLE_CHECKS
447 I::ReadTaggedPointerField(ctx, I::kNativeContextEmbedderDataOffset);
449 I::kEmbedderDataArrayHeaderSize + (I::kEmbedderDataSlotSize * index);
450 A value = I::ReadRawField<A>(embedder_data, value_offset);
451#ifdef V8_COMPRESS_POINTERS
454 value = I::DecompressTaggedField(embedder_data,
static_cast<uint32_t
>(value));
457 auto* isolate = I::GetCurrentIsolate();
460 return SlowGetEmbedderData(index);
465#if !defined(V8_ENABLE_CHECKS)
470 I::ReadTaggedPointerField(ctx, I::kNativeContextEmbedderDataOffset);
471 int value_offset = I::kEmbedderDataArrayHeaderSize +
472 (I::kEmbedderDataSlotSize * index) +
473 I::kEmbedderDataSlotExternalPointerOffset;
474 return reinterpret_cast<void*
>(
475 I::ReadExternalPointerField<internal::kEmbedderDataSlotPayloadTag>(
476 isolate, embedder_data, value_offset));
478 return SlowGetAlignedPointerFromEmbedderData(index);
483#if !defined(V8_ENABLE_CHECKS)
488 I::ReadTaggedPointerField(ctx, I::kNativeContextEmbedderDataOffset);
489 int value_offset = I::kEmbedderDataArrayHeaderSize +
490 (I::kEmbedderDataSlotSize * index) +
491 I::kEmbedderDataSlotExternalPointerOffset;
492 Isolate* isolate = I::GetCurrentIsolateForSandbox();
493 return reinterpret_cast<void*
>(
494 I::ReadExternalPointerField<internal::kEmbedderDataSlotPayloadTag>(
495 isolate, embedder_data, value_offset));
497 return SlowGetAlignedPointerFromEmbedderData(index);
512#ifdef V8_ENABLE_CHECKS
515 return static_cast<Context*
>(data);
Definition: v8-context.h:402
BackupIncumbentScope(Local< Context > backup_incumbent_context)
Definition: v8-context.h:226
virtual bool FreezeEmbedderObjectAndGetChildren(Local< Object > obj, LocalVector< Object > &children_out)=0
Definition: v8-context.h:386
Scope(Local< Context > context)
Definition: v8-context.h:388
~Scope()
Definition: v8-context.h:391
Definition: v8-context.h:48
static MaybeLocal< Object > NewRemoteContext(Isolate *isolate, Local< ObjectTemplate > global_template, MaybeLocal< Value > global_object=MaybeLocal< Value >())
Local< Object > GetExtrasBindingObject()
void SetErrorMessageForWasmCodeGeneration(Local< String > message)
void SetEmbedderData(int index, Local< Value > value)
void SetPromiseHooks(Local< Function > init_hook, Local< Function > before_hook, Local< Function > after_hook, Local< Function > resolve_hook)
void SetSecurityToken(Local< Value > token)
static Local< Context > New(Isolate *isolate, ExtensionConfiguration *extensions=nullptr, MaybeLocal< ObjectTemplate > global_template=MaybeLocal< ObjectTemplate >(), MaybeLocal< Value > global_object=MaybeLocal< Value >(), DeserializeInternalFieldsCallback internal_fields_deserializer=DeserializeInternalFieldsCallback(), MicrotaskQueue *microtask_queue=nullptr, DeserializeContextDataCallback context_data_deserializer=DeserializeContextDataCallback(), DeserializeAPIWrapperCallback api_wrapper_deserializer=DeserializeAPIWrapperCallback())
bool IsCodeGenerationFromStringsAllowed() const
void * GetAlignedPointerFromEmbedderData(Isolate *isolate, int index)
Definition: v8-context.h:464
static Context * Cast(Data *data)
Definition: v8-context.h:511
void SetAlignedPointerInEmbedderData(int index, void *value)
void SetAbortScriptExecution(AbortScriptExecutionCallback callback)
Maybe< void > DeepFreeze(DeepFreezeDelegate *delegate=nullptr)
bool HasTemplateLiteralObject(Local< Value > object)
void AllowCodeGenerationFromStrings(bool allow)
Local< Value > GetSecurityToken()
MaybeLocal< T > GetDataFromSnapshotOnce(size_t index)
Definition: v8-context.h:502
void SetErrorMessageForCodeGenerationFromStrings(Local< String > message)
EmbedderDataFields
Definition: v8-context.h:274
uint32_t GetNumberOfEmbedderDataFields()
Local< Value > GetEmbedderData(int index)
Definition: v8-context.h:441
void UseDefaultSecurityToken()
void(*)(Isolate *isolate, Local< Context > context) AbortScriptExecutionCallback
Definition: v8-context.h:367
static MaybeLocal< Context > FromSnapshot(Isolate *isolate, size_t context_snapshot_index, DeserializeInternalFieldsCallback internal_fields_deserializer=DeserializeInternalFieldsCallback(), ExtensionConfiguration *extensions=nullptr, MaybeLocal< Value > global_object=MaybeLocal< Value >(), MicrotaskQueue *microtask_queue=nullptr, DeserializeContextDataCallback context_data_deserializer=DeserializeContextDataCallback(), DeserializeAPIWrapperCallback api_wrapper_deserializer=DeserializeAPIWrapperCallback())
Definition: v8-context.h:30
ExtensionConfiguration(int name_count, const char *names[])
Definition: v8-context.h:33
ExtensionConfiguration()
Definition: v8-context.h:32
const char ** begin() const
Definition: v8-context.h:36
const char ** end() const
Definition: v8-context.h:37
Definition: v8-function.h:27
Definition: v8-isolate.h:285
Definition: v8-local-handle.h:525
Definition: v8-local-handle.h:297
static Local< T > New(Isolate *isolate, Local< T > that)
Definition: v8-local-handle.h:379
Definition: v8-local-handle.h:665
Definition: v8-maybe.h:33
Definition: v8-microtask-queue.h:40
Definition: v8-object.h:233
Definition: v8-script.h:353
Definition: v8-value.h:32
Definition: v8-internal.h:849
static Address ValueAsAddress(const T *value)
Definition: v8-internal.h:1717
internal::Address * InternalRepresentationType
Definition: v8-internal.h:1671
static constexpr InternalRepresentationType kEmpty
Definition: v8-internal.h:1672
uintptr_t Address
Definition: v8-internal.h:52
void PerformCastCheck(T *data)
Definition: v8-internal.h:1378
Definition: libplatform.h:15
Definition: v8-snapshot.h:116
Definition: v8-snapshot.h:106
Definition: v8-snapshot.h:91
#define V8_EXPORT
Definition: v8config.h:800
#define V8_INLINE
Definition: v8config.h:500
#define V8_DEPRECATE_SOON(message)
Definition: v8config.h:614
#define V8_NODISCARD
Definition: v8config.h:693