#endif // _WIN32
+// TODO(svenpanne) Remove this when the Chrome's v8 bindings have been adapted.
+#define V8_DISABLE_DEPRECATIONS 1
+
+#if defined(__GNUC__) && !defined(V8_DISABLE_DEPRECATIONS)
+#define V8_DEPRECATED(func) func __attribute__ ((deprecated))
+#elif defined(_MSC_VER) && !defined(V8_DISABLE_DEPRECATIONS)
+#define V8_DEPRECATED(func) __declspec(deprecated) func
+#else
+#define V8_DEPRECATED(func) func
+#endif
+
/**
* The v8 JavaScript engine.
*/
/** Gets the number of internal fields for this Object. */
V8EXPORT int InternalFieldCount();
- /** Gets the value in an internal field. */
+
+ /** Gets the value from an internal field. */
inline Local<Value> GetInternalField(int index);
+
/** Sets the value in an internal field. */
V8EXPORT void SetInternalField(int index, Handle<Value> value);
- /** Gets a native pointer from an internal field. */
- inline void* GetPointerFromInternalField(int index);
+ /**
+ * Gets a native pointer from an internal field. Deprecated. If the pointer is
+ * always 2-byte-aligned, use GetAlignedPointerFromInternalField instead,
+ * otherwise use a combination of GetInternalField, External::Cast and
+ * External::Value.
+ */
+ V8_DEPRECATED(void* GetPointerFromInternalField(int index));
+
+ /**
+ * Sets a native pointer in an internal field. Deprecated. If the pointer is
+ * always 2-byte aligned, use SetAlignedPointerInInternalField instead,
+ * otherwise use a combination of External::New and SetInternalField.
+ */
+ inline V8_DEPRECATED(void SetPointerInInternalField(int index, void* value));
- /** Sets a native pointer in an internal field. */
- V8EXPORT void SetPointerInInternalField(int index, void* value);
+ /**
+ * Gets a 2-byte-aligned native pointer from an internal field. This field
+ * must have been set by SetAlignedPointerInInternalField, everything else
+ * leads to undefined behavior.
+ */
+ inline void* GetAlignedPointerFromInternalField(int index);
+
+ /**
+ * Sets a 2-byte-aligned native pointer in an internal field. To retrieve such
+ * a field, GetAlignedPointerFromInternalField must be used, everything else
+ * leads to undefined behavior.
+ */
+ V8EXPORT void SetAlignedPointerInInternalField(int index, void* value);
// Testers for local properties.
V8EXPORT bool HasOwnProperty(Handle<String> key);
private:
V8EXPORT Object();
V8EXPORT static void CheckCast(Value* obj);
- V8EXPORT Local<Value> CheckedGetInternalField(int index);
- V8EXPORT void* SlowGetPointerFromInternalField(int index);
-
- /**
- * If quick access to the internal field is possible this method
- * returns the value. Otherwise an empty handle is returned.
- */
- inline Local<Value> UncheckedGetInternalField(int index);
+ V8EXPORT Local<Value> SlowGetInternalField(int index);
+ V8EXPORT void* SlowGetAlignedPointerFromInternalField(int index);
};
/**
- * A JavaScript value that wraps a C++ void*. This type of value is
- * mainly used to associate C++ data structures with JavaScript
- * objects.
- *
- * The Wrap function V8 will return the most optimal Value object wrapping the
- * C++ void*. The type of the value is not guaranteed to be an External object
- * and no assumptions about its type should be made. To access the wrapped
- * value Unwrap should be used, all other operations on that object will lead
- * to unpredictable results.
+ * A JavaScript value that wraps a C++ void*. This type of value is mainly used
+ * to associate C++ data structures with JavaScript objects.
*/
class External : public Value {
public:
- V8EXPORT static Local<Value> Wrap(void* data);
- static inline void* Unwrap(Handle<Value> obj);
+ /** Deprecated, use New instead. */
+ V8_DEPRECATED(static inline Local<Value> Wrap(void* value));
+
+ /** Deprecated, use a combination of Cast and Value instead. */
+ V8_DEPRECATED(static inline void* Unwrap(Handle<Value> obj));
V8EXPORT static Local<External> New(void* value);
static inline External* Cast(Value* obj);
V8EXPORT void* Value() const;
private:
- V8EXPORT External();
V8EXPORT static void CheckCast(v8::Value* obj);
- static inline void* QuickUnwrap(Handle<v8::Value> obj);
- V8EXPORT static void* FullUnwrap(Handle<v8::Value> obj);
};
static bool InContext();
/**
- * Associate an additional data object with the context. This is mainly used
- * with the debugger to provide additional information on the context through
- * the debugger API.
+ * Gets embedder data with index 0. Deprecated, use GetEmbedderData with index
+ * 0 instead.
+ */
+ V8_DEPRECATED(inline Local<Value> GetData());
+
+ /**
+ * Sets embedder data with index 0. Deprecated, use SetEmbedderData with index
+ * 0 instead.
*/
- void SetData(Handle<Value> data);
- Local<Value> GetData();
+ V8_DEPRECATED(inline void SetData(Handle<Value> value));
+
+ /**
+ * Gets the embedder data with the given index, which must have been set by a
+ * previous call to SetEmbedderData with the same index. Note that index 0
+ * currently has a special meaning for Chrome's debugger.
+ */
+ inline Local<Value> GetEmbedderData(int index);
+
+ /**
+ * Sets the embedder data with the given index, growing the data as
+ * needed. Note that index 0 currently has a special meaning for Chrome's
+ * debugger.
+ */
+ void SetEmbedderData(int index, Handle<Value> value);
+
+ /**
+ * Gets a 2-byte-aligned native pointer from the embedder data with the given
+ * index, which must have bees set by a previous call to
+ * SetAlignedPointerInEmbedderData with the same index. Note that index 0
+ * currently has a special meaning for Chrome's debugger.
+ */
+ inline void* GetAlignedPointerFromEmbedderData(int index);
+
+ /**
+ * Sets a 2-byte-aligned native pointer in the embedder data with the given
+ * index, growing the data as needed. Note that index 0 currently has a
+ * special meaning for Chrome's debugger.
+ */
+ void SetAlignedPointerInEmbedderData(int index, void* value);
/**
* Control whether code generation from strings is allowed. Calling
friend class Script;
friend class Object;
friend class Function;
+
+ Local<Value> SlowGetEmbedderData(int index);
+ void* SlowGetAlignedPointerFromEmbedderData(int index);
};
// Throw away top 32 bits and shift down (requires >> to be sign extending).
return static_cast<int>(reinterpret_cast<intptr_t>(value)) >> shift_bits;
}
-
- // For 32-bit systems any 2 bytes aligned pointer can be encoded as smi
- // with a plain reinterpret_cast.
- static const uintptr_t kEncodablePointerMask = 0x1;
- static const int kPointerToSmiShift = 0;
};
// Smi constants for 64-bit systems.
// Shift down and throw away top 32 bits.
return static_cast<int>(reinterpret_cast<intptr_t>(value) >> shift_bits);
}
-
- // To maximize the range of pointers that can be encoded
- // in the available 32 bits, we require them to be 8 bytes aligned.
- // This gives 2 ^ (32 + 3) = 32G address space covered.
- // It might be not enough to cover stack allocated objects on some platforms.
- static const int kPointerAlignment = 3;
-
- static const uintptr_t kEncodablePointerMask =
- ~(uintptr_t(0xffffffff) << kPointerAlignment);
-
- static const int kPointerToSmiShift =
- kSmiTagSize + kSmiShiftSize - kPointerAlignment;
};
typedef SmiTagging<kApiPointerSize> PlatformSmiTagging;
const int kSmiShiftSize = PlatformSmiTagging::kSmiShiftSize;
const int kSmiValueSize = PlatformSmiTagging::kSmiValueSize;
-const uintptr_t kEncodablePointerMask =
- PlatformSmiTagging::kEncodablePointerMask;
-const int kPointerToSmiShift = PlatformSmiTagging::kPointerToSmiShift;
/**
* This class exports constants and functionality from within v8 that
static const int kOddballKindOffset = 3 * kApiPointerSize;
static const int kForeignAddressOffset = kApiPointerSize;
static const int kJSObjectHeaderSize = 3 * kApiPointerSize;
+ static const int kFixedArrayHeaderSize = 2 * kApiPointerSize;
+ static const int kContextHeaderSize = 2 * kApiPointerSize;
+ static const int kContextEmbedderDataIndex = 54;
static const int kFullStringRepresentationMask = 0x07;
static const int kStringEncodingMask = 0x4;
static const int kExternalTwoByteRepresentationTag = 0x02;
static const int kNullValueRootIndex = 7;
static const int kTrueValueRootIndex = 8;
static const int kFalseValueRootIndex = 9;
- static const int kEmptySymbolRootIndex = 117;
+ static const int kEmptySymbolRootIndex = 118;
static const int kJSObjectType = 0xaa;
static const int kFirstNonstringType = 0x80;
kHeapObjectTag);
}
- static inline bool HasSmiTag(internal::Object* value) {
- return ((reinterpret_cast<intptr_t>(value) & kSmiTagMask) == kSmiTag);
- }
-
static inline int SmiValue(internal::Object* value) {
return PlatformSmiTagging::SmiToInt(value);
}
return SmiValue(ReadField<O*>(obj, kOddballKindOffset));
}
- static inline void* GetExternalPointerFromSmi(internal::Object* value) {
- const uintptr_t address = reinterpret_cast<uintptr_t>(value);
- return reinterpret_cast<void*>(address >> kPointerToSmiShift);
- }
-
- static inline void* GetExternalPointer(internal::Object* obj) {
- if (HasSmiTag(obj)) {
- return GetExternalPointerFromSmi(obj);
- } else if (GetInstanceType(obj) == kForeignType) {
- return ReadField<void*>(obj, kForeignAddressOffset);
- } else {
- return NULL;
- }
- }
-
static inline bool IsExternalTwoByteString(int instance_type) {
int representation = (instance_type & kFullStringRepresentationMask);
return representation == kExternalTwoByteRepresentationTag;
return *reinterpret_cast<T*>(addr);
}
+ template <typename T>
+ static inline T ReadEmbedderData(Context* context, int index) {
+ typedef internal::Object O;
+ typedef internal::Internals I;
+ O* ctx = *reinterpret_cast<O**>(context);
+ int embedder_data_offset = I::kContextHeaderSize +
+ (internal::kApiPointerSize * I::kContextEmbedderDataIndex);
+ O* embedder_data = I::ReadField<O*>(ctx, embedder_data_offset);
+ int value_offset =
+ I::kFixedArrayHeaderSize + (internal::kApiPointerSize * index);
+ return I::ReadField<T>(embedder_data, value_offset);
+ }
+
static inline bool CanCastToHeapObject(void* o) { return false; }
static inline bool CanCastToHeapObject(Context* o) { return true; }
static inline bool CanCastToHeapObject(String* o) { return true; }
Local<Value> Object::GetInternalField(int index) {
#ifndef V8_ENABLE_CHECKS
- Local<Value> quick_result = UncheckedGetInternalField(index);
- if (!quick_result.IsEmpty()) return quick_result;
-#endif
- return CheckedGetInternalField(index);
-}
-
-
-Local<Value> Object::UncheckedGetInternalField(int index) {
typedef internal::Object O;
typedef internal::Internals I;
O* obj = *reinterpret_cast<O**>(this);
+ // Fast path: If the object is a plain JSObject, which is the common case, we
+ // know where to find the internal fields and can return the value directly.
if (I::GetInstanceType(obj) == I::kJSObjectType) {
- // If the object is a plain JSObject, which is the common case,
- // we know where to find the internal fields and can return the
- // value directly.
int offset = I::kJSObjectHeaderSize + (internal::kApiPointerSize * index);
O* value = I::ReadField<O*>(obj, offset);
O** result = HandleScope::CreateHandle(value);
return Local<Value>(reinterpret_cast<Value*>(result));
- } else {
- return Local<Value>();
}
-}
-
-
-void* External::Unwrap(Handle<v8::Value> obj) {
-#ifdef V8_ENABLE_CHECKS
- return FullUnwrap(obj);
-#else
- return QuickUnwrap(obj);
#endif
+ return SlowGetInternalField(index);
}
-void* External::QuickUnwrap(Handle<v8::Value> wrapper) {
- typedef internal::Object O;
- O* obj = *reinterpret_cast<O**>(const_cast<v8::Value*>(*wrapper));
- return internal::Internals::GetExternalPointer(obj);
+void Object::SetPointerInInternalField(int index, void* value) {
+ SetInternalField(index, External::New(value));
}
-void* Object::GetPointerFromInternalField(int index) {
+void* Object::GetAlignedPointerFromInternalField(int index) {
+#ifndef V8_ENABLE_CHECKS
typedef internal::Object O;
typedef internal::Internals I;
-
O* obj = *reinterpret_cast<O**>(this);
-
+ // Fast path: If the object is a plain JSObject, which is the common case, we
+ // know where to find the internal fields and can return the value directly.
if (I::GetInstanceType(obj) == I::kJSObjectType) {
- // If the object is a plain JSObject, which is the common case,
- // we know where to find the internal fields and can return the
- // value directly.
int offset = I::kJSObjectHeaderSize + (internal::kApiPointerSize * index);
- O* value = I::ReadField<O*>(obj, offset);
- return I::GetExternalPointer(value);
+ return I::ReadField<void*>(obj, offset);
}
-
- return SlowGetPointerFromInternalField(index);
+#endif
+ return SlowGetAlignedPointerFromInternalField(index);
}
}
+Local<Value> External::Wrap(void* value) {
+ return External::New(value);
+}
+
+
+void* External::Unwrap(Handle<v8::Value> obj) {
+ return External::Cast(*obj)->Value();
+}
+
+
External* External::Cast(v8::Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);
}
+Local<Value> Context::GetData() {
+ return GetEmbedderData(0);
+}
+
+void Context::SetData(Handle<Value> data) {
+ SetEmbedderData(0, data);
+}
+
+
+Local<Value> Context::GetEmbedderData(int index) {
+#ifndef V8_ENABLE_CHECKS
+ typedef internal::Object O;
+ typedef internal::Internals I;
+ O** result = HandleScope::CreateHandle(I::ReadEmbedderData<O*>(this, index));
+ return Local<Value>(reinterpret_cast<Value*>(result));
+#else
+ return SlowGetEmbedderData(index);
+#endif
+}
+
+
+void* Context::GetAlignedPointerFromEmbedderData(int index) {
+#ifndef V8_ENABLE_CHECKS
+ typedef internal::Internals I;
+ return I::ReadEmbedderData<void*>(this, index);
+#else
+ return SlowGetAlignedPointerFromEmbedderData(index);
+#endif
+}
+
+
/**
* \example shell.cc
* A simple shell that takes a list of expressions on the
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// Deprecated API entries use other deprecated entries, too.
+#define V8_DISABLE_DEPRECATIONS 1
+
#include "api.h"
#include <math.h> // For isnan.
}
-void Context::SetData(v8::Handle<Value> data) {
- i::Handle<i::Context> env = Utils::OpenHandle(this);
- i::Isolate* isolate = env->GetIsolate();
- if (IsDeadCheck(isolate, "v8::Context::SetData()")) return;
- i::Handle<i::Object> raw_data = Utils::OpenHandle(*data);
- ASSERT(env->IsNativeContext());
- if (env->IsNativeContext()) {
- env->set_data(*raw_data);
- }
+static void* DecodeSmiToAligned(i::Object* value, const char* location) {
+ ApiCheck(value->IsSmi(), location, "Not a Smi");
+ return reinterpret_cast<void*>(value);
}
-v8::Local<v8::Value> Context::GetData() {
- i::Handle<i::Context> env = Utils::OpenHandle(this);
- i::Isolate* isolate = env->GetIsolate();
- if (IsDeadCheck(isolate, "v8::Context::GetData()")) {
- return Local<Value>();
- }
- ASSERT(env->IsNativeContext());
- if (!env->IsNativeContext()) {
- return Local<Value>();
+static i::Smi* EncodeAlignedAsSmi(void* value, const char* location) {
+ i::Smi* smi = reinterpret_cast<i::Smi*>(value);
+ ApiCheck(smi->IsSmi(), location, "Pointer is not aligned");
+ return smi;
+}
+
+
+static i::Handle<i::FixedArray> EmbedderDataFor(Context* context,
+ int index,
+ bool can_grow,
+ const char* location) {
+ i::Handle<i::Context> env = Utils::OpenHandle(context);
+ bool ok = !IsDeadCheck(env->GetIsolate(), location) &&
+ ApiCheck(env->IsNativeContext(), location, "Not a native context") &&
+ ApiCheck(index >= 0, location, "Negative index");
+ if (!ok) return i::Handle<i::FixedArray>();
+ i::Handle<i::FixedArray> data(env->embedder_data());
+ if (index < data->length()) return data;
+ if (!can_grow) {
+ Utils::ReportApiFailure(location, "Index too large");
+ return i::Handle<i::FixedArray>();
}
- i::Handle<i::Object> result(env->data(), isolate);
+ int new_size = i::Max(index, data->length() << 1) + 1;
+ data = env->GetIsolate()->factory()->CopySizeFixedArray(data, new_size);
+ env->set_embedder_data(*data);
+ return data;
+}
+
+
+v8::Local<v8::Value> Context::SlowGetEmbedderData(int index) {
+ const char* location = "v8::Context::GetEmbedderData()";
+ i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, false, location);
+ if (data.is_null()) return Local<Value>();
+ i::Handle<i::Object> result(data->get(index), data->GetIsolate());
return Utils::ToLocal(result);
}
+void Context::SetEmbedderData(int index, v8::Handle<Value> value) {
+ const char* location = "v8::Context::SetEmbedderData()";
+ i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, true, location);
+ if (data.is_null()) return;
+ i::Handle<i::Object> val = Utils::OpenHandle(*value);
+ data->set(index, *val);
+ ASSERT_EQ(*Utils::OpenHandle(*value),
+ *Utils::OpenHandle(*GetEmbedderData(index)));
+}
+
+
+void* Context::SlowGetAlignedPointerFromEmbedderData(int index) {
+ const char* location = "v8::Context::GetAlignedPointerFromEmbedderData()";
+ i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, false, location);
+ if (data.is_null()) return NULL;
+ return DecodeSmiToAligned(data->get(index), location);
+}
+
+
+void Context::SetAlignedPointerInEmbedderData(int index, void* value) {
+ const char* location = "v8::Context::SetAlignedPointerInEmbedderData()";
+ i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, true, location);
+ data->set(index, EncodeAlignedAsSmi(value, location));
+ ASSERT_EQ(value, GetAlignedPointerFromEmbedderData(index));
+}
+
+
i::Object** v8::HandleScope::RawClose(i::Object** value) {
if (!ApiCheck(!is_closed_,
"v8::HandleScope::Close()",
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsExternal()")) {
return false;
}
- return Utils::OpenHandle(this)->IsForeign();
+ return Utils::OpenHandle(this)->IsExternal();
}
void External::CheckCast(v8::Value* that) {
if (IsDeadCheck(i::Isolate::Current(), "v8::External::Cast()")) return;
- i::Handle<i::Object> obj = Utils::OpenHandle(that);
- ApiCheck(obj->IsForeign(),
+ ApiCheck(Utils::OpenHandle(that)->IsExternal(),
"v8::External::Cast()",
"Could not convert to external");
}
}
-Local<Value> v8::Object::CheckedGetInternalField(int index) {
+static bool InternalFieldOK(i::Handle<i::JSObject> obj,
+ int index,
+ const char* location) {
+ return !IsDeadCheck(obj->GetIsolate(), location) &&
+ ApiCheck(index < obj->GetInternalFieldCount(),
+ location,
+ "Internal field out of bounds");
+}
+
+
+Local<Value> v8::Object::SlowGetInternalField(int index) {
i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
- if (IsDeadCheck(obj->GetIsolate(), "v8::Object::GetInternalField()")) {
- return Local<Value>();
- }
- if (!ApiCheck(index < obj->GetInternalFieldCount(),
- "v8::Object::GetInternalField()",
- "Reading internal field out of bounds")) {
- return Local<Value>();
- }
- i::Handle<i::Object> value(obj->GetInternalField(index));
- Local<Value> result = Utils::ToLocal(value);
-#ifdef DEBUG
- Local<Value> unchecked = UncheckedGetInternalField(index);
- ASSERT(unchecked.IsEmpty() || (unchecked == result));
-#endif
- return result;
+ const char* location = "v8::Object::GetInternalField()";
+ if (!InternalFieldOK(obj, index, location)) return Local<Value>();
+ i::Handle<i::Object> value(obj->GetInternalField(index), obj->GetIsolate());
+ return Utils::ToLocal(value);
}
void v8::Object::SetInternalField(int index, v8::Handle<Value> value) {
i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
- i::Isolate* isolate = obj->GetIsolate();
- if (IsDeadCheck(isolate, "v8::Object::SetInternalField()")) {
- return;
- }
- if (!ApiCheck(index < obj->GetInternalFieldCount(),
- "v8::Object::SetInternalField()",
- "Writing internal field out of bounds")) {
- return;
- }
- ENTER_V8(isolate);
+ const char* location = "v8::Object::SetInternalField()";
+ if (!InternalFieldOK(obj, index, location)) return;
i::Handle<i::Object> val = Utils::OpenHandle(*value);
obj->SetInternalField(index, *val);
+ ASSERT_EQ(value, GetInternalField(index));
}
-static bool CanBeEncodedAsSmi(void* ptr) {
- const uintptr_t address = reinterpret_cast<uintptr_t>(ptr);
- return ((address & i::kEncodablePointerMask) == 0);
+void* v8::Object::SlowGetAlignedPointerFromInternalField(int index) {
+ i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
+ const char* location = "v8::Object::GetAlignedPointerFromInternalField()";
+ if (!InternalFieldOK(obj, index, location)) return NULL;
+ return DecodeSmiToAligned(obj->GetInternalField(index), location);
}
-static i::Smi* EncodeAsSmi(void* ptr) {
- ASSERT(CanBeEncodedAsSmi(ptr));
- const uintptr_t address = reinterpret_cast<uintptr_t>(ptr);
- i::Smi* result = reinterpret_cast<i::Smi*>(address << i::kPointerToSmiShift);
- ASSERT(i::Internals::HasSmiTag(result));
- ASSERT_EQ(result, i::Smi::FromInt(result->value()));
- ASSERT_EQ(ptr, i::Internals::GetExternalPointerFromSmi(result));
- return result;
+void v8::Object::SetAlignedPointerInInternalField(int index, void* value) {
+ i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
+ const char* location = "v8::Object::SetAlignedPointerInInternalField()";
+ if (!InternalFieldOK(obj, index, location)) return;
+ obj->SetInternalField(index, EncodeAlignedAsSmi(value, location));
+ ASSERT_EQ(value, GetAlignedPointerFromInternalField(index));
}
-void v8::Object::SetPointerInInternalField(int index, void* value) {
- i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
- ENTER_V8(isolate);
- if (CanBeEncodedAsSmi(value)) {
- Utils::OpenHandle(this)->SetInternalField(index, EncodeAsSmi(value));
- } else {
- HandleScope scope;
- i::Handle<i::Foreign> foreign =
- isolate->factory()->NewForeign(
- reinterpret_cast<i::Address>(value), i::TENURED);
- if (!foreign.is_null()) {
- Utils::OpenHandle(this)->SetInternalField(index, *foreign);
- }
- }
- ASSERT_EQ(value, GetPointerFromInternalField(index));
+static void* ExternalValue(i::Object* obj) {
+ // Obscure semantics for undefined, but somehow checked in our unit tests...
+ if (obj->IsUndefined()) return NULL;
+ i::Object* foreign = i::JSObject::cast(obj)->GetInternalField(0);
+ return i::Foreign::cast(foreign)->foreign_address();
+}
+
+
+void* Object::GetPointerFromInternalField(int index) {
+ i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
+ const char* location = "v8::Object::GetPointerFromInternalField()";
+ if (!InternalFieldOK(obj, index, location)) return NULL;
+ return ExternalValue(obj->GetInternalField(index));
}
}
-static Local<External> ExternalNewImpl(void* data) {
- return Utils::ToLocal(FACTORY->NewForeign(static_cast<i::Address>(data)));
-}
-
-static void* ExternalValueImpl(i::Handle<i::Object> obj) {
- return reinterpret_cast<void*>(i::Foreign::cast(*obj)->foreign_address());
-}
-
-
-Local<Value> v8::External::Wrap(void* data) {
- i::Isolate* isolate = i::Isolate::Current();
- STATIC_ASSERT(sizeof(data) == sizeof(i::Address));
- EnsureInitializedForIsolate(isolate, "v8::External::Wrap()");
- LOG_API(isolate, "External::Wrap");
- ENTER_V8(isolate);
-
- v8::Local<v8::Value> result = CanBeEncodedAsSmi(data)
- ? Utils::ToLocal(i::Handle<i::Object>(EncodeAsSmi(data)))
- : v8::Local<v8::Value>(ExternalNewImpl(data));
-
- ASSERT_EQ(data, Unwrap(result));
- return result;
-}
-
-
-void* v8::Object::SlowGetPointerFromInternalField(int index) {
- i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
- i::Object* value = obj->GetInternalField(index);
- if (value->IsSmi()) {
- return i::Internals::GetExternalPointerFromSmi(value);
- } else if (value->IsForeign()) {
- return reinterpret_cast<void*>(i::Foreign::cast(value)->foreign_address());
- } else {
- return NULL;
- }
-}
-
-
-void* v8::External::FullUnwrap(v8::Handle<v8::Value> wrapper) {
- if (IsDeadCheck(i::Isolate::Current(), "v8::External::Unwrap()")) return 0;
- i::Handle<i::Object> obj = Utils::OpenHandle(*wrapper);
- void* result;
- if (obj->IsSmi()) {
- result = i::Internals::GetExternalPointerFromSmi(*obj);
- } else if (obj->IsForeign()) {
- result = ExternalValueImpl(obj);
- } else {
- result = NULL;
- }
- ASSERT_EQ(result, QuickUnwrap(wrapper));
- return result;
-}
-
-
-Local<External> v8::External::New(void* data) {
- STATIC_ASSERT(sizeof(data) == sizeof(i::Address));
+Local<External> v8::External::New(void* value) {
+ STATIC_ASSERT(sizeof(value) == sizeof(i::Address));
i::Isolate* isolate = i::Isolate::Current();
EnsureInitializedForIsolate(isolate, "v8::External::New()");
LOG_API(isolate, "External::New");
ENTER_V8(isolate);
- return ExternalNewImpl(data);
+ i::Handle<i::JSObject> external = isolate->factory()->NewExternal(value);
+ return Utils::ExternalToLocal(external);
}
void* External::Value() const {
- if (IsDeadCheck(i::Isolate::Current(), "v8::External::Value()")) return 0;
- i::Handle<i::Object> obj = Utils::OpenHandle(this);
- return ExternalValueImpl(obj);
+ if (IsDeadCheck(i::Isolate::Current(), "v8::External::Value()")) return NULL;
+ return ExternalValue(*Utils::OpenHandle(this));
}
v8::internal::Handle<v8::internal::JSObject> obj);
static inline Local<Array> ToLocal(
v8::internal::Handle<v8::internal::JSArray> obj);
- static inline Local<External> ToLocal(
- v8::internal::Handle<v8::internal::Foreign> obj);
static inline Local<Message> MessageToLocal(
v8::internal::Handle<v8::internal::Object> obj);
static inline Local<StackTrace> StackTraceToLocal(
v8::internal::Handle<v8::internal::FunctionTemplateInfo> obj);
static inline Local<TypeSwitch> ToLocal(
v8::internal::Handle<v8::internal::TypeSwitchInfo> obj);
+ static inline Local<External> ExternalToLocal(
+ v8::internal::Handle<v8::internal::JSObject> obj);
#define DECLARE_OPEN_HANDLE(From, To) \
static inline v8::internal::Handle<v8::internal::To> \
MAKE_TO_LOCAL(ToLocal, JSRegExp, RegExp)
MAKE_TO_LOCAL(ToLocal, JSObject, Object)
MAKE_TO_LOCAL(ToLocal, JSArray, Array)
-MAKE_TO_LOCAL(ToLocal, Foreign, External)
MAKE_TO_LOCAL(ToLocal, FunctionTemplateInfo, FunctionTemplate)
MAKE_TO_LOCAL(ToLocal, ObjectTemplateInfo, ObjectTemplate)
MAKE_TO_LOCAL(ToLocal, SignatureInfo, Signature)
MAKE_TO_LOCAL(NumberToLocal, Object, Number)
MAKE_TO_LOCAL(IntegerToLocal, Object, Integer)
MAKE_TO_LOCAL(Uint32ToLocal, Object, Uint32)
+MAKE_TO_LOCAL(ExternalToLocal, JSObject, External)
#undef MAKE_TO_LOCAL
// Initialize the out of memory slot.
native_context()->set_out_of_memory(heap->false_value());
- // Initialize the data slot.
- native_context()->set_data(heap->undefined_value());
+ // Initialize the embedder data slot.
+ Handle<FixedArray> embedder_data = factory->NewFixedArray(2);
+ native_context()->set_embedder_data(*embedder_data);
{
// Initialize the random seed slot.
ASSERT(!isolate->native_context().is_null());
Handle<Script> script = info->script();
- script->set_context_data((*isolate->native_context())->data());
+ // TODO(svenpanne) Obscure place for this, perhaps move to OnBeforeCompile?
+ FixedArray* array = isolate->native_context()->embedder_data();
+ script->set_context_data(array->get(0));
#ifdef ENABLE_DEBUGGER_SUPPORT
if (info->is_eval()) {
V(CONTEXT_EXTENSION_FUNCTION_INDEX, JSFunction, context_extension_function) \
V(OUT_OF_MEMORY_INDEX, Object, out_of_memory) \
V(MAP_CACHE_INDEX, Object, map_cache) \
- V(CONTEXT_DATA_INDEX, Object, data) \
+ V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data) \
V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings) \
V(ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, Object, \
error_message_for_code_gen_from_strings) \
OPAQUE_REFERENCE_FUNCTION_INDEX,
CONTEXT_EXTENSION_FUNCTION_INDEX,
OUT_OF_MEMORY_INDEX,
- CONTEXT_DATA_INDEX,
+ EMBEDDER_DATA_INDEX,
ALLOW_CODE_GEN_FROM_STRINGS_INDEX,
ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX,
TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX,
static bool IsBootstrappingOrValidParentContext(Object* object, Context* kid);
static bool IsBootstrappingOrGlobalObject(Object* object);
#endif
+
+ STATIC_CHECK(kHeaderSize == Internals::kContextHeaderSize);
+ STATIC_CHECK(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
};
} } // namespace v8::internal
}
+Handle<FixedArray> Factory::CopySizeFixedArray(Handle<FixedArray> array,
+ int new_length) {
+ CALL_HEAP_FUNCTION(isolate(), array->CopySize(new_length), FixedArray);
+}
+
+
Handle<FixedDoubleArray> Factory::CopyFixedDoubleArray(
Handle<FixedDoubleArray> array) {
CALL_HEAP_FUNCTION(isolate(), array->Copy(), FixedDoubleArray);
}
+Handle<JSObject> Factory::NewExternal(void* value) {
+ CALL_HEAP_FUNCTION(isolate(),
+ isolate()->heap()->AllocateExternal(value),
+ JSObject);
+}
+
+
Handle<Code> Factory::NewCode(const CodeDesc& desc,
Code::Flags flags,
Handle<Object> self_ref,
Handle<FixedArray> CopyFixedArray(Handle<FixedArray> array);
+ Handle<FixedArray> CopySizeFixedArray(Handle<FixedArray> array,
+ int new_length);
+
Handle<FixedDoubleArray> CopyFixedDoubleArray(
Handle<FixedDoubleArray> array);
Handle<ScopeInfo> NewScopeInfo(int length);
+ Handle<JSObject> NewExternal(void* value);
+
Handle<Code> NewCode(const CodeDesc& desc,
Code::Flags flags,
Handle<Object> self_reference,
}
set_message_object_map(Map::cast(obj));
+ Map* external_map;
+ { MaybeObject* maybe_obj =
+ AllocateMap(JS_OBJECT_TYPE, JSObject::kHeaderSize + kPointerSize);
+ if (!maybe_obj->To(&external_map)) return false;
+ }
+ external_map->set_is_extensible(false);
+ set_external_map(external_map);
+
ASSERT(!InNewSpace(empty_fixed_array()));
return true;
}
}
+MaybeObject* Heap::AllocateExternal(void* value) {
+ Foreign* foreign;
+ { MaybeObject* maybe_result = AllocateForeign(static_cast<Address>(value));
+ if (!maybe_result->To(&foreign)) return maybe_result;
+ }
+ JSObject* external;
+ { MaybeObject* maybe_result = AllocateJSObjectFromMap(external_map());
+ if (!maybe_result->To(&external)) return maybe_result;
+ }
+ external->SetInternalField(0, foreign);
+ return external;
+}
+
+
MaybeObject* Heap::AllocateStruct(InstanceType type) {
Map* map;
switch (type) {
V(Smi, arguments_adaptor_deopt_pc_offset, ArgumentsAdaptorDeoptPCOffset) \
V(Smi, construct_stub_deopt_pc_offset, ConstructStubDeoptPCOffset) \
V(Smi, getter_stub_deopt_pc_offset, GetterStubDeoptPCOffset) \
- V(Smi, setter_stub_deopt_pc_offset, SetterStubDeoptPCOffset)
+ V(Smi, setter_stub_deopt_pc_offset, SetterStubDeoptPCOffset) \
+ V(Map, external_map, ExternalMap)
#define ROOT_LIST(V) \
STRONG_ROOT_LIST(V) \
// Allocates a serialized scope info.
MUST_USE_RESULT MaybeObject* AllocateScopeInfo(int length);
+ // Allocates an External object for v8's external API.
+ MUST_USE_RESULT MaybeObject* AllocateExternal(void* value);
+
// Allocates an empty PolymorphicCodeCache.
MUST_USE_RESULT MaybeObject* AllocatePolymorphicCodeCache();
}
+// External objects are not extensible, so the map check is enough.
+bool Object::IsExternal() {
+ return Object::IsHeapObject() &&
+ HeapObject::cast(this)->map() ==
+ HeapObject::cast(this)->GetHeap()->external_map();
+}
+
+
bool Object::IsInstanceOf(FunctionTemplateInfo* expected) {
// There is a constraint on the object; check.
if (!this->IsJSObject()) return false;
#undef IS_TYPE_FUNCTION_DECL
inline bool IsFixedArrayBase();
+ inline bool IsExternal();
// Returns true if this object is an instance of the specified
// function template.
Object* value);
private:
+ STATIC_CHECK(kHeaderSize == Internals::kFixedArrayHeaderSize);
+
DISALLOW_IMPLICIT_CONSTRUCTORS(FixedArray);
};
"(context func. result caches)");
TagObject(context->normalized_map_cache(), "(context norm. map cache)");
TagObject(context->runtime_context(), "(runtime context)");
- TagObject(context->data(), "(context data)");
+ TagObject(context->embedder_data(), "(context data)");
NATIVE_CONTEXT_FIELDS(EXTRACT_CONTEXT_FIELD);
#undef EXTRACT_CONTEXT_FIELD
for (int i = Context::FIRST_WEAK_SLOT;
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// We want to test our deprecated API entries, too.
+#define V8_DISABLE_DEPRECATIONS 1
+
#include <limits.h>
#ifndef WIN32
}
+static void CheckAlignedPointerInInternalField(Handle<v8::Object> obj,
+ void* value) {
+ CHECK_EQ(0, static_cast<int>(reinterpret_cast<uintptr_t>(value) & 0x1));
+ obj->SetPointerInInternalField(0, value);
+ HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
+ CHECK_EQ(value, obj->GetPointerFromInternalField(0));
+}
+
+
+THREADED_TEST(InternalFieldsAlignedPointers) {
+ v8::HandleScope scope;
+ LocalContext env;
+
+ Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
+ Local<v8::ObjectTemplate> instance_templ = templ->InstanceTemplate();
+ instance_templ->SetInternalFieldCount(1);
+ Local<v8::Object> obj = templ->GetFunction()->NewInstance();
+ CHECK_EQ(1, obj->InternalFieldCount());
+
+ CheckAlignedPointerInInternalField(obj, NULL);
+
+ int* heap_allocated = new int[100];
+ CheckAlignedPointerInInternalField(obj, heap_allocated);
+ delete[] heap_allocated;
+
+ int stack_allocated[100];
+ CheckAlignedPointerInInternalField(obj, stack_allocated);
+
+ void* huge = reinterpret_cast<void*>(~static_cast<uintptr_t>(1));
+ CheckAlignedPointerInInternalField(obj, huge);
+}
+
+
+static void CheckAlignedPointerInEmbedderData(LocalContext* env,
+ int index,
+ void* value) {
+ CHECK_EQ(0, static_cast<int>(reinterpret_cast<uintptr_t>(value) & 0x1));
+ (*env)->SetAlignedPointerInEmbedderData(index, value);
+ HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
+ CHECK_EQ(value, (*env)->GetAlignedPointerFromEmbedderData(index));
+}
+
+
+static void* AlignedTestPointer(int i) {
+ return reinterpret_cast<void*>(i * 1234);
+}
+
+
+THREADED_TEST(EmbedderDataAlignedPointers) {
+ v8::HandleScope scope;
+ LocalContext env;
+
+ CheckAlignedPointerInEmbedderData(&env, 0, NULL);
+
+ int* heap_allocated = new int[100];
+ CheckAlignedPointerInEmbedderData(&env, 1, heap_allocated);
+ delete[] heap_allocated;
+
+ int stack_allocated[100];
+ CheckAlignedPointerInEmbedderData(&env, 2, stack_allocated);
+
+ void* huge = reinterpret_cast<void*>(~static_cast<uintptr_t>(1));
+ CheckAlignedPointerInEmbedderData(&env, 3, huge);
+
+ // Test growing of the embedder data's backing store.
+ for (int i = 0; i < 100; i++) {
+ env->SetAlignedPointerInEmbedderData(i, AlignedTestPointer(i));
+ }
+ HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
+ for (int i = 0; i < 100; i++) {
+ CHECK_EQ(AlignedTestPointer(i), env->GetAlignedPointerFromEmbedderData(i));
+ }
+}
+
+
+static void CheckEmbedderData(LocalContext* env,
+ int index,
+ v8::Handle<Value> data) {
+ (*env)->SetEmbedderData(index, data);
+ CHECK((*env)->GetEmbedderData(index)->StrictEquals(data));
+}
+
+THREADED_TEST(EmbedderData) {
+ v8::HandleScope scope;
+ LocalContext env;
+
+ CheckEmbedderData(&env, 3, v8::String::New("The quick brown fox jumps"));
+ CheckEmbedderData(&env, 2, v8::String::New("over the lazy dog."));
+ CheckEmbedderData(&env, 1, v8::Number::New(1.2345));
+ CheckEmbedderData(&env, 0, v8::Boolean::New(true));
+}
+
+
THREADED_TEST(IdentityHash) {
v8::HandleScope scope;
LocalContext env;
#ifdef ENABLE_DEBUGGER_SUPPORT
+// TODO(svenpanne): Do not use Context::GetData and Context::SetData.
+#define V8_DISABLE_DEPRECATIONS 1
+
#include <stdlib.h>
#include "v8.h"
DeclarationContext* DeclarationContext::GetInstance(const AccessorInfo& info) {
- return static_cast<DeclarationContext*>(External::Unwrap(info.Data()));
+ void* value = External::Cast(*info.Data())->Value();
+ return static_cast<DeclarationContext*>(value);
}
# }
# printf("}\n");
KNOWN_MAPS = {
- 0x08081: (134, "ByteArrayMap"),
- 0x080a1: (128, "MetaMap"),
- 0x080c1: (130, "OddballMap"),
- 0x080e1: (163, "FixedArrayMap"),
- 0x08101: (68, "AsciiSymbolMap"),
- 0x08121: (132, "HeapNumberMap"),
- 0x08141: (135, "FreeSpaceMap"),
- 0x08161: (146, "OnePointerFillerMap"),
- 0x08181: (146, "TwoPointerFillerMap"),
- 0x081a1: (131, "GlobalPropertyCellMap"),
- 0x081c1: (164, "SharedFunctionInfoMap"),
- 0x081e1: (4, "AsciiStringMap"),
- 0x08201: (163, "GlobalContextMap"),
- 0x08221: (129, "CodeMap"),
- 0x08241: (163, "ScopeInfoMap"),
- 0x08261: (163, "FixedCOWArrayMap"),
- 0x08281: (145, "FixedDoubleArrayMap"),
- 0x082a1: (163, "HashTableMap"),
- 0x082c1: (0, "StringMap"),
- 0x082e1: (64, "SymbolMap"),
- 0x08301: (1, "ConsStringMap"),
- 0x08321: (5, "ConsAsciiStringMap"),
- 0x08341: (3, "SlicedStringMap"),
- 0x08361: (7, "SlicedAsciiStringMap"),
- 0x08381: (65, "ConsSymbolMap"),
- 0x083a1: (69, "ConsAsciiSymbolMap"),
- 0x083c1: (66, "ExternalSymbolMap"),
- 0x083e1: (74, "ExternalSymbolWithAsciiDataMap"),
- 0x08401: (70, "ExternalAsciiSymbolMap"),
- 0x08421: (2, "ExternalStringMap"),
- 0x08441: (10, "ExternalStringWithAsciiDataMap"),
- 0x08461: (6, "ExternalAsciiStringMap"),
- 0x08481: (82, "ShortExternalSymbolMap"),
- 0x084a1: (90, "ShortExternalSymbolWithAsciiDataMap"),
- 0x084c1: (86, "ShortExternalAsciiSymbolMap"),
- 0x084e1: (18, "ShortExternalStringMap"),
- 0x08501: (26, "ShortExternalStringWithAsciiDataMap"),
- 0x08521: (22, "ShortExternalAsciiStringMap"),
- 0x08541: (0, "UndetectableStringMap"),
- 0x08561: (4, "UndetectableAsciiStringMap"),
- 0x08581: (144, "ExternalPixelArrayMap"),
- 0x085a1: (136, "ExternalByteArrayMap"),
- 0x085c1: (137, "ExternalUnsignedByteArrayMap"),
- 0x085e1: (138, "ExternalShortArrayMap"),
- 0x08601: (139, "ExternalUnsignedShortArrayMap"),
- 0x08621: (140, "ExternalIntArrayMap"),
- 0x08641: (141, "ExternalUnsignedIntArrayMap"),
- 0x08661: (142, "ExternalFloatArrayMap"),
- 0x08681: (143, "ExternalDoubleArrayMap"),
- 0x086a1: (163, "NonStrictArgumentsElementsMap"),
- 0x086c1: (163, "FunctionContextMap"),
- 0x086e1: (163, "CatchContextMap"),
- 0x08701: (163, "WithContextMap"),
- 0x08721: (163, "BlockContextMap"),
- 0x08741: (163, "ModuleContextMap"),
- 0x08761: (165, "JSMessageObjectMap"),
- 0x08781: (133, "ForeignMap"),
- 0x087a1: (170, "NeanderMap"),
- 0x087c1: (158, "PolymorphicCodeCacheMap"),
- 0x087e1: (156, "ScriptMap"),
- 0x08801: (147, "AccessorInfoMap"),
- 0x08821: (148, "AccessorPairMap"),
- 0x08841: (149, "AccessCheckInfoMap"),
- 0x08861: (150, "InterceptorInfoMap"),
- 0x08881: (151, "CallHandlerInfoMap"),
- 0x088a1: (152, "FunctionTemplateInfoMap"),
- 0x088c1: (153, "ObjectTemplateInfoMap"),
- 0x088e1: (154, "SignatureInfoMap"),
- 0x08901: (155, "TypeSwitchInfoMap"),
- 0x08921: (157, "CodeCacheMap"),
- 0x08941: (159, "TypeFeedbackInfoMap"),
- 0x08961: (160, "AliasedArgumentsEntryMap"),
- 0x08981: (161, "DebugInfoMap"),
- 0x089a1: (162, "BreakPointInfoMap"),
+ 0x08081: (128, "MetaMap"),
+ 0x080a5: (163, "FixedArrayMap"),
+ 0x080c9: (130, "OddballMap"),
+ 0x080ed: (163, "FixedCOWArrayMap"),
+ 0x08111: (163, "ScopeInfoMap"),
+ 0x08135: (132, "HeapNumberMap"),
+ 0x08159: (133, "ForeignMap"),
+ 0x0817d: (64, "SymbolMap"),
+ 0x081a1: (68, "AsciiSymbolMap"),
+ 0x081c5: (65, "ConsSymbolMap"),
+ 0x081e9: (69, "ConsAsciiSymbolMap"),
+ 0x0820d: (66, "ExternalSymbolMap"),
+ 0x08231: (74, "ExternalSymbolWithAsciiDataMap"),
+ 0x08255: (70, "ExternalAsciiSymbolMap"),
+ 0x08279: (82, "ShortExternalSymbolMap"),
+ 0x0829d: (90, "ShortExternalSymbolWithAsciiDataMap"),
+ 0x082c1: (86, "ShortExternalAsciiSymbolMap"),
+ 0x082e5: (0, "StringMap"),
+ 0x08309: (4, "AsciiStringMap"),
+ 0x0832d: (1, "ConsStringMap"),
+ 0x08351: (5, "ConsAsciiStringMap"),
+ 0x08375: (3, "SlicedStringMap"),
+ 0x08399: (7, "SlicedAsciiStringMap"),
+ 0x083bd: (2, "ExternalStringMap"),
+ 0x083e1: (10, "ExternalStringWithAsciiDataMap"),
+ 0x08405: (6, "ExternalAsciiStringMap"),
+ 0x08429: (18, "ShortExternalStringMap"),
+ 0x0844d: (26, "ShortExternalStringWithAsciiDataMap"),
+ 0x08471: (22, "ShortExternalAsciiStringMap"),
+ 0x08495: (0, "UndetectableStringMap"),
+ 0x084b9: (4, "UndetectableAsciiStringMap"),
+ 0x084dd: (145, "FixedDoubleArrayMap"),
+ 0x08501: (134, "ByteArrayMap"),
+ 0x08525: (135, "FreeSpaceMap"),
+ 0x08549: (144, "ExternalPixelArrayMap"),
+ 0x0856d: (136, "ExternalByteArrayMap"),
+ 0x08591: (137, "ExternalUnsignedByteArrayMap"),
+ 0x085b5: (138, "ExternalShortArrayMap"),
+ 0x085d9: (139, "ExternalUnsignedShortArrayMap"),
+ 0x085fd: (140, "ExternalIntArrayMap"),
+ 0x08621: (141, "ExternalUnsignedIntArrayMap"),
+ 0x08645: (142, "ExternalFloatArrayMap"),
+ 0x08669: (163, "NonStrictArgumentsElementsMap"),
+ 0x0868d: (143, "ExternalDoubleArrayMap"),
+ 0x086b1: (129, "CodeMap"),
+ 0x086d5: (131, "GlobalPropertyCellMap"),
+ 0x086f9: (146, "OnePointerFillerMap"),
+ 0x0871d: (146, "TwoPointerFillerMap"),
+ 0x08741: (147, "AccessorInfoMap"),
+ 0x08765: (148, "AccessorPairMap"),
+ 0x08789: (149, "AccessCheckInfoMap"),
+ 0x087ad: (150, "InterceptorInfoMap"),
+ 0x087d1: (151, "CallHandlerInfoMap"),
+ 0x087f5: (152, "FunctionTemplateInfoMap"),
+ 0x08819: (153, "ObjectTemplateInfoMap"),
+ 0x0883d: (154, "SignatureInfoMap"),
+ 0x08861: (155, "TypeSwitchInfoMap"),
+ 0x08885: (156, "ScriptMap"),
+ 0x088a9: (157, "CodeCacheMap"),
+ 0x088cd: (158, "PolymorphicCodeCacheMap"),
+ 0x088f1: (159, "TypeFeedbackInfoMap"),
+ 0x08915: (160, "AliasedArgumentsEntryMap"),
+ 0x08939: (161, "DebugInfoMap"),
+ 0x0895d: (162, "BreakPointInfoMap"),
+ 0x08981: (163, "HashTableMap"),
+ 0x089a5: (163, "FunctionContextMap"),
+ 0x089c9: (163, "CatchContextMap"),
+ 0x089ed: (163, "WithContextMap"),
+ 0x08a11: (163, "BlockContextMap"),
+ 0x08a35: (163, "ModuleContextMap"),
+ 0x08a59: (163, "GlobalContextMap"),
+ 0x08a7d: (163, "NativeContextMap"),
+ 0x08aa1: (164, "SharedFunctionInfoMap"),
+ 0x08ac5: (165, "JSMessageObjectMap"),
+ 0x08ae9: (170, "ExternalMap"),
+ 0x08b0d: (170, "NeanderMap"),
}