First cut at API for native Typed Arrays.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14195034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14476 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
dslomov@chromium.org 2013-04-29 11:09:03 +00:00
parent 17af6ee031
commit 3fd6bb51f0
10 changed files with 699 additions and 54 deletions

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@ -2046,6 +2046,170 @@ class V8EXPORT ArrayBuffer : public Object {
};
/**
* A base class for an instance of TypedArray series of constructors
* (ES6 draft 15.13.6).
* This API is experimental and may change significantly.
*/
class V8EXPORT TypedArray : public Object {
public:
/**
* Returns underlying ArrayBuffer.
*/
Local<ArrayBuffer> Buffer();
/**
* Byte offset in |Buffer|
*/
size_t ByteOffset();
/**
* Numbe of elements in this typed array.
*/
size_t Length();
/**
* Size of typed array in bytes (e.g. for Int16Array, 2*|Length|).
*/
size_t ByteLength();
/**
* Base address of typed array.
*/
void* BaseAddress();
V8_INLINE(static TypedArray* Cast(Value* obj));
private:
TypedArray();
static void CheckCast(Value* obj);
};
/**
* An instance of Uint8Array constructor (ES6 draft 15.13.6).
* This API is experimental and may change significantly.
*/
class V8EXPORT Uint8Array : public TypedArray {
public:
static Local<Uint8Array> New(Handle<ArrayBuffer> array_buffer,
size_t byte_offset, size_t length);
V8_INLINE(static Uint8Array* Cast(Value* obj));
private:
Uint8Array();
static void CheckCast(Value* obj);
};
/**
* An instance of Int8Array constructor (ES6 draft 15.13.6).
* This API is experimental and may change significantly.
*/
class V8EXPORT Int8Array : public TypedArray {
public:
static Local<Int8Array> New(Handle<ArrayBuffer> array_buffer,
size_t byte_offset, size_t length);
V8_INLINE(static Int8Array* Cast(Value* obj));
private:
Int8Array();
static void CheckCast(Value* obj);
};
/**
* An instance of Uint16Array constructor (ES6 draft 15.13.6).
* This API is experimental and may change significantly.
*/
class V8EXPORT Uint16Array : public TypedArray {
public:
static Local<Uint16Array> New(Handle<ArrayBuffer> array_buffer,
size_t byte_offset, size_t length);
V8_INLINE(static Uint16Array* Cast(Value* obj));
private:
Uint16Array();
static void CheckCast(Value* obj);
};
/**
* An instance of Int16Array constructor (ES6 draft 15.13.6).
* This API is experimental and may change significantly.
*/
class V8EXPORT Int16Array : public TypedArray {
public:
static Local<Int16Array> New(Handle<ArrayBuffer> array_buffer,
size_t byte_offset, size_t length);
V8_INLINE(static Int16Array* Cast(Value* obj));
private:
Int16Array();
static void CheckCast(Value* obj);
};
/**
* An instance of Uint32Array constructor (ES6 draft 15.13.6).
* This API is experimental and may change significantly.
*/
class V8EXPORT Uint32Array : public TypedArray {
public:
static Local<Uint32Array> New(Handle<ArrayBuffer> array_buffer,
size_t byte_offset, size_t length);
V8_INLINE(static Uint32Array* Cast(Value* obj));
private:
Uint32Array();
static void CheckCast(Value* obj);
};
/**
* An instance of Int32Array constructor (ES6 draft 15.13.6).
* This API is experimental and may change significantly.
*/
class V8EXPORT Int32Array : public TypedArray {
public:
static Local<Int32Array> New(Handle<ArrayBuffer> array_buffer,
size_t byte_offset, size_t length);
V8_INLINE(static Int32Array* Cast(Value* obj));
private:
Int32Array();
static void CheckCast(Value* obj);
};
/**
* An instance of Float32Array constructor (ES6 draft 15.13.6).
* This API is experimental and may change significantly.
*/
class V8EXPORT Float32Array : public TypedArray {
public:
static Local<Float32Array> New(Handle<ArrayBuffer> array_buffer,
size_t byte_offset, size_t length);
V8_INLINE(static Float32Array* Cast(Value* obj));
private:
Float32Array();
static void CheckCast(Value* obj);
};
/**
* An instance of Float64Array constructor (ES6 draft 15.13.6).
* This API is experimental and may change significantly.
*/
class V8EXPORT Float64Array : public TypedArray {
public:
static Local<Float64Array> New(Handle<ArrayBuffer> array_buffer,
size_t byte_offset, size_t length);
V8_INLINE(static Float64Array* Cast(Value* obj));
private:
Float64Array();
static void CheckCast(Value* obj);
};
/**
* An instance of the built-in Date constructor (ECMA-262, 15.9).
*/
@ -4543,7 +4707,7 @@ class Internals {
static const int kJSObjectHeaderSize = 3 * kApiPointerSize;
static const int kFixedArrayHeaderSize = 2 * kApiPointerSize;
static const int kContextHeaderSize = 2 * kApiPointerSize;
static const int kContextEmbedderDataIndex = 56;
static const int kContextEmbedderDataIndex = 64;
static const int kFullStringRepresentationMask = 0x07;
static const int kStringEncodingMask = 0x4;
static const int kExternalTwoByteRepresentationTag = 0x02;
@ -5224,6 +5388,78 @@ ArrayBuffer* ArrayBuffer::Cast(v8::Value* value) {
}
TypedArray* TypedArray::Cast(v8::Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);
#endif
return static_cast<TypedArray*>(value);
}
Uint8Array* Uint8Array::Cast(v8::Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);
#endif
return static_cast<Uint8Array*>(value);
}
Int8Array* Int8Array::Cast(v8::Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);
#endif
return static_cast<Int8Array*>(value);
}
Uint16Array* Uint16Array::Cast(v8::Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);
#endif
return static_cast<Uint16Array*>(value);
}
Int16Array* Int16Array::Cast(v8::Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);
#endif
return static_cast<Int16Array*>(value);
}
Uint32Array* Uint32Array::Cast(v8::Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);
#endif
return static_cast<Uint32Array*>(value);
}
Int32Array* Int32Array::Cast(v8::Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);
#endif
return static_cast<Int32Array*>(value);
}
Float32Array* Float32Array::Cast(v8::Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);
#endif
return static_cast<Float32Array*>(value);
}
Float64Array* Float64Array::Cast(v8::Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);
#endif
return static_cast<Float64Array*>(value);
}
Function* Function::Cast(v8::Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);

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@ -2755,6 +2755,39 @@ void v8::ArrayBuffer::CheckCast(Value* that) {
}
void v8::TypedArray::CheckCast(Value* that) {
if (IsDeadCheck(i::Isolate::Current(), "v8::TypedArray::Cast()")) return;
i::Handle<i::Object> obj = Utils::OpenHandle(that);
ApiCheck(obj->IsJSTypedArray(),
"v8::TypedArray::Cast()",
"Could not convert to TypedArray");
}
#define CHECK_TYPED_ARRAY_CAST(ApiClass, typeConst) \
void v8::ApiClass::CheckCast(Value* that) { \
if (IsDeadCheck(i::Isolate::Current(), "v8::" #ApiClass "::Cast()")) \
return; \
i::Handle<i::Object> obj = Utils::OpenHandle(that); \
ApiCheck(obj->IsJSTypedArray() && \
i::JSTypedArray::cast(*obj)->type() == typeConst, \
"v8::" #ApiClass "::Cast()", \
"Could not convert to " #ApiClass); \
}
CHECK_TYPED_ARRAY_CAST(Uint8Array, kExternalUnsignedByteArray)
CHECK_TYPED_ARRAY_CAST(Int8Array, kExternalByteArray)
CHECK_TYPED_ARRAY_CAST(Uint16Array, kExternalUnsignedShortArray)
CHECK_TYPED_ARRAY_CAST(Int16Array, kExternalShortArray)
CHECK_TYPED_ARRAY_CAST(Uint32Array, kExternalUnsignedIntArray)
CHECK_TYPED_ARRAY_CAST(Int32Array, kExternalIntArray)
CHECK_TYPED_ARRAY_CAST(Float32Array, kExternalFloatArray)
CHECK_TYPED_ARRAY_CAST(Float64Array, kExternalDoubleArray)
#undef CHECK_TYPED_ARRAY_CAST
void v8::Date::CheckCast(v8::Value* that) {
i::Isolate* isolate = i::Isolate::Current();
if (IsDeadCheck(isolate, "v8::Date::Cast()")) return;
@ -5806,6 +5839,129 @@ Local<ArrayBuffer> v8::ArrayBuffer::New(void* data, size_t byte_length) {
}
Local<ArrayBuffer> v8::TypedArray::Buffer() {
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
if (IsDeadCheck(isolate, "v8::TypedArray::Buffer()"))
return Local<ArrayBuffer>();
i::Handle<i::JSTypedArray> obj = Utils::OpenHandle(this);
ASSERT(obj->buffer()->IsJSArrayBuffer());
i::Handle<i::JSArrayBuffer> buffer(i::JSArrayBuffer::cast(obj->buffer()));
return Utils::ToLocal(buffer);
}
size_t v8::TypedArray::ByteOffset() {
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
if (IsDeadCheck(isolate, "v8::TypedArray::ByteOffset()")) return 0;
i::Handle<i::JSTypedArray> obj = Utils::OpenHandle(this);
return static_cast<size_t>(obj->byte_offset()->Number());
}
size_t v8::TypedArray::ByteLength() {
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
if (IsDeadCheck(isolate, "v8::TypedArray::ByteLength()")) return 0;
i::Handle<i::JSTypedArray> obj = Utils::OpenHandle(this);
return static_cast<size_t>(obj->byte_length()->Number());
}
size_t v8::TypedArray::Length() {
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
if (IsDeadCheck(isolate, "v8::TypedArray::Length()")) return 0;
i::Handle<i::JSTypedArray> obj = Utils::OpenHandle(this);
return static_cast<size_t>(obj->length()->Number());
}
void* v8::TypedArray::BaseAddress() {
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
if (IsDeadCheck(isolate, "v8::TypedArray::BaseAddress()")) return NULL;
i::Handle<i::JSTypedArray> obj = Utils::OpenHandle(this);
i::Handle<i::JSArrayBuffer> buffer(i::JSArrayBuffer::cast(obj->buffer()));
void* buffer_data = buffer->backing_store();
size_t byte_offset = static_cast<size_t>(obj->byte_offset()->Number());
return static_cast<uint8_t*>(buffer_data) + byte_offset;
}
template<typename ElementType,
ExternalArrayType array_type,
i::ElementsKind elements_kind>
i::Handle<i::JSTypedArray> NewTypedArray(
i::Isolate* isolate,
Handle<ArrayBuffer> array_buffer, size_t byte_offset, size_t length) {
i::Handle<i::JSTypedArray> obj =
isolate->factory()->NewJSTypedArray(array_type);
i::Handle<i::JSArrayBuffer> buffer = Utils::OpenHandle(*array_buffer);
ASSERT(byte_offset % sizeof(ElementType) == 0);
ASSERT(byte_offset + length * sizeof(ElementType) <=
static_cast<size_t>(buffer->byte_length()->Number()));
obj->set_buffer(*buffer);
i::Handle<i::Object> byte_offset_object = isolate->factory()->NewNumber(
static_cast<double>(byte_offset));
obj->set_byte_offset(*byte_offset_object);
i::Handle<i::Object> byte_length_object = isolate->factory()->NewNumber(
static_cast<double>(length * sizeof(ElementType)));
obj->set_byte_length(*byte_length_object);
i::Handle<i::Object> length_object = isolate->factory()->NewNumber(
static_cast<double>(length));
obj->set_length(*length_object);
i::Handle<i::ExternalArray> elements =
isolate->factory()->NewExternalArray(
static_cast<int>(length), array_type,
static_cast<uint8_t*>(buffer->backing_store()) + byte_offset);
i::Handle<i::Map> map =
isolate->factory()->GetElementsTransitionMap(
obj, elements_kind);
obj->set_map(*map);
obj->set_elements(*elements);
return obj;
}
#define TYPED_ARRAY_NEW(TypedArray, element_type, array_type, elements_kind) \
Local<TypedArray> TypedArray::New(Handle<ArrayBuffer> array_buffer, \
size_t byte_offset, size_t length) { \
i::Isolate* isolate = i::Isolate::Current(); \
EnsureInitializedForIsolate(isolate, \
"v8::" #TypedArray "::New(Handle<ArrayBuffer>, size_t, size_t)"); \
LOG_API(isolate, \
"v8::" #TypedArray "::New(Handle<ArrayBuffer>, size_t, size_t)"); \
ENTER_V8(isolate); \
i::Handle<i::JSTypedArray> obj = \
NewTypedArray<element_type, array_type, elements_kind>( \
isolate, array_buffer, byte_offset, length); \
return Utils::ToLocal##TypedArray(obj); \
}
TYPED_ARRAY_NEW(Uint8Array, uint8_t, kExternalUnsignedByteArray,
i::EXTERNAL_UNSIGNED_BYTE_ELEMENTS)
TYPED_ARRAY_NEW(Int8Array, int8_t, kExternalByteArray,
i::EXTERNAL_BYTE_ELEMENTS)
TYPED_ARRAY_NEW(Uint16Array, uint16_t, kExternalUnsignedShortArray,
i::EXTERNAL_UNSIGNED_SHORT_ELEMENTS)
TYPED_ARRAY_NEW(Int16Array, int16_t, kExternalShortArray,
i::EXTERNAL_SHORT_ELEMENTS)
TYPED_ARRAY_NEW(Uint32Array, uint32_t, kExternalUnsignedIntArray,
i::EXTERNAL_UNSIGNED_INT_ELEMENTS)
TYPED_ARRAY_NEW(Int32Array, int32_t, kExternalIntArray,
i::EXTERNAL_INT_ELEMENTS)
TYPED_ARRAY_NEW(Float32Array, float, kExternalFloatArray,
i::EXTERNAL_FLOAT_ELEMENTS)
TYPED_ARRAY_NEW(Float64Array, double, kExternalDoubleArray,
i::EXTERNAL_DOUBLE_ELEMENTS)
#undef TYPED_ARRAY_NEW
Local<Symbol> v8::Symbol::New(Isolate* isolate) {
i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
EnsureInitializedForIsolate(i_isolate, "v8::Symbol::New()");

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@ -171,6 +171,15 @@ class RegisteredExtension {
V(Object, JSObject) \
V(Array, JSArray) \
V(ArrayBuffer, JSArrayBuffer) \
V(TypedArray, JSTypedArray) \
V(Uint8Array, JSTypedArray) \
V(Int8Array, JSTypedArray) \
V(Uint16Array, JSTypedArray) \
V(Int16Array, JSTypedArray) \
V(Uint32Array, JSTypedArray) \
V(Int32Array, JSTypedArray) \
V(Float32Array, JSTypedArray) \
V(Float64Array, JSTypedArray) \
V(String, String) \
V(Symbol, Symbol) \
V(Script, Object) \
@ -208,6 +217,26 @@ class Utils {
v8::internal::Handle<v8::internal::JSArray> obj);
static inline Local<ArrayBuffer> ToLocal(
v8::internal::Handle<v8::internal::JSArrayBuffer> obj);
static inline Local<TypedArray> ToLocal(
v8::internal::Handle<v8::internal::JSTypedArray> obj);
static inline Local<Uint8Array> ToLocalUint8Array(
v8::internal::Handle<v8::internal::JSTypedArray> obj);
static inline Local<Int8Array> ToLocalInt8Array(
v8::internal::Handle<v8::internal::JSTypedArray> obj);
static inline Local<Uint16Array> ToLocalUint16Array(
v8::internal::Handle<v8::internal::JSTypedArray> obj);
static inline Local<Int16Array> ToLocalInt16Array(
v8::internal::Handle<v8::internal::JSTypedArray> obj);
static inline Local<Uint32Array> ToLocalUint32Array(
v8::internal::Handle<v8::internal::JSTypedArray> obj);
static inline Local<Int32Array> ToLocalInt32Array(
v8::internal::Handle<v8::internal::JSTypedArray> obj);
static inline Local<Float32Array> ToLocalFloat32Array(
v8::internal::Handle<v8::internal::JSTypedArray> obj);
static inline Local<Float64Array> ToLocalFloat64Array(
v8::internal::Handle<v8::internal::JSTypedArray> obj);
static inline Local<Message> MessageToLocal(
v8::internal::Handle<v8::internal::Object> obj);
static inline Local<StackTrace> StackTraceToLocal(
@ -270,6 +299,17 @@ v8::internal::Handle<T> v8::internal::Handle<T>::EscapeFrom(
return Local<To>(reinterpret_cast<To*>(obj.location())); \
}
#define MAKE_TO_LOCAL_TYPED_ARRAY(TypedArray, typeConst) \
Local<v8::TypedArray> Utils::ToLocal##TypedArray( \
v8::internal::Handle<v8::internal::JSTypedArray> obj) { \
ASSERT(obj.is_null() || !obj->IsTheHole()); \
ASSERT(obj->type() == typeConst); \
return Local<v8::TypedArray>( \
reinterpret_cast<v8::TypedArray*>(obj.location())); \
}
MAKE_TO_LOCAL(ToLocal, Context, Context)
MAKE_TO_LOCAL(ToLocal, Object, Value)
MAKE_TO_LOCAL(ToLocal, JSFunction, Function)
@ -279,6 +319,17 @@ MAKE_TO_LOCAL(ToLocal, JSRegExp, RegExp)
MAKE_TO_LOCAL(ToLocal, JSObject, Object)
MAKE_TO_LOCAL(ToLocal, JSArray, Array)
MAKE_TO_LOCAL(ToLocal, JSArrayBuffer, ArrayBuffer)
MAKE_TO_LOCAL(ToLocal, JSTypedArray, TypedArray)
MAKE_TO_LOCAL_TYPED_ARRAY(Uint8Array, kExternalUnsignedByteArray)
MAKE_TO_LOCAL_TYPED_ARRAY(Int8Array, kExternalByteArray)
MAKE_TO_LOCAL_TYPED_ARRAY(Uint16Array, kExternalUnsignedShortArray)
MAKE_TO_LOCAL_TYPED_ARRAY(Int16Array, kExternalShortArray)
MAKE_TO_LOCAL_TYPED_ARRAY(Uint32Array, kExternalUnsignedIntArray)
MAKE_TO_LOCAL_TYPED_ARRAY(Int32Array, kExternalIntArray)
MAKE_TO_LOCAL_TYPED_ARRAY(Float32Array, kExternalFloatArray)
MAKE_TO_LOCAL_TYPED_ARRAY(Float64Array, kExternalDoubleArray)
MAKE_TO_LOCAL(ToLocal, FunctionTemplateInfo, FunctionTemplate)
MAKE_TO_LOCAL(ToLocal, ObjectTemplateInfo, ObjectTemplate)
MAKE_TO_LOCAL(ToLocal, SignatureInfo, Signature)
@ -293,6 +344,7 @@ MAKE_TO_LOCAL(Uint32ToLocal, Object, Uint32)
MAKE_TO_LOCAL(ExternalToLocal, JSObject, External)
MAKE_TO_LOCAL(ToLocal, DeclaredAccessorDescriptor, DeclaredAccessorDescriptor)
#undef MAKE_TO_LOCAL_TYPED_ARRAY
#undef MAKE_TO_LOCAL

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@ -201,7 +201,7 @@ class Genesis BASE_EMBEDDED {
ElementsKind elements_kind);
bool InstallNatives();
void InstallTypedArray(const char* name);
Handle<JSFunction> InstallTypedArray(const char* name);
bool InstallExperimentalNatives();
void InstallBuiltinFunctionIds();
void InstallJSFunctionResultCaches();
@ -1276,11 +1276,11 @@ bool Genesis::InitializeGlobal(Handle<GlobalObject> inner_global,
}
void Genesis::InstallTypedArray(const char* name) {
Handle<JSFunction> Genesis::InstallTypedArray(const char* name) {
Handle<JSObject> global = Handle<JSObject>(native_context()->global_object());
InstallFunction(global, name, JS_TYPED_ARRAY_TYPE,
JSTypedArray::kSize, isolate()->initial_object_prototype(),
Builtins::kIllegal, true);
return InstallFunction(global, name, JS_TYPED_ARRAY_TYPE,
JSTypedArray::kSize, isolate()->initial_object_prototype(),
Builtins::kIllegal, true);
}
@ -1328,14 +1328,22 @@ void Genesis::InitializeExperimentalGlobal() {
}
{
// -- T y p e d A r r a y s
InstallTypedArray("__Int8Array");
InstallTypedArray("__Uint8Array");
InstallTypedArray("__Int16Array");
InstallTypedArray("__Uint16Array");
InstallTypedArray("__Int32Array");
InstallTypedArray("__Uint32Array");
InstallTypedArray("__Float32Array");
InstallTypedArray("__Float64Array");
native_context()->set_int8_array_fun(
*InstallTypedArray("__Int8Array"));
native_context()->set_uint8_array_fun(
*InstallTypedArray("__Uint8Array"));
native_context()->set_int16_array_fun(
*InstallTypedArray("__Int16Array"));
native_context()->set_uint16_array_fun(
*InstallTypedArray("__Uint16Array"));
native_context()->set_int32_array_fun(
*InstallTypedArray("__Int32Array"));
native_context()->set_uint32_array_fun(
*InstallTypedArray("__Uint32Array"));
native_context()->set_float_array_fun(
*InstallTypedArray("__Float32Array"));
native_context()->set_double_array_fun(
*InstallTypedArray("__Float64Array"));
}
}

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@ -124,6 +124,14 @@ enum BindingFlags {
V(INSTANTIATE_FUN_INDEX, JSFunction, instantiate_fun) \
V(CONFIGURE_INSTANCE_FUN_INDEX, JSFunction, configure_instance_fun) \
V(ARRAY_BUFFER_FUN_INDEX, JSFunction, array_buffer_fun) \
V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun) \
V(INT8_ARRAY_FUN_INDEX, JSFunction, int8_array_fun) \
V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun) \
V(INT16_ARRAY_FUN_INDEX, JSFunction, int16_array_fun) \
V(UINT32_ARRAY_FUN_INDEX, JSFunction, uint32_array_fun) \
V(INT32_ARRAY_FUN_INDEX, JSFunction, int32_array_fun) \
V(FLOAT_ARRAY_FUN_INDEX, JSFunction, float_array_fun) \
V(DOUBLE_ARRAY_FUN_INDEX, JSFunction, double_array_fun) \
V(FUNCTION_MAP_INDEX, Map, function_map) \
V(STRICT_MODE_FUNCTION_MAP_INDEX, Map, strict_mode_function_map) \
V(FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map, function_without_prototype_map) \
@ -278,6 +286,14 @@ class Context: public FixedArray {
INSTANTIATE_FUN_INDEX,
CONFIGURE_INSTANCE_FUN_INDEX,
ARRAY_BUFFER_FUN_INDEX,
UINT8_ARRAY_FUN_INDEX,
INT8_ARRAY_FUN_INDEX,
UINT16_ARRAY_FUN_INDEX,
INT16_ARRAY_FUN_INDEX,
UINT32_ARRAY_FUN_INDEX,
INT32_ARRAY_FUN_INDEX,
FLOAT_ARRAY_FUN_INDEX,
DOUBLE_ARRAY_FUN_INDEX,
MESSAGE_LISTENERS_INDEX,
MAKE_MESSAGE_FUN_INDEX,
GET_STACK_TRACE_LINE_INDEX,

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@ -1056,6 +1056,54 @@ Handle<JSArrayBuffer> Factory::NewJSArrayBuffer() {
}
Handle<JSTypedArray> Factory::NewJSTypedArray(ExternalArrayType type) {
JSFunction* typed_array_fun;
Context* native_context = isolate()->context()->native_context();
switch (type) {
case kExternalUnsignedByteArray:
typed_array_fun = native_context->uint8_array_fun();
break;
case kExternalByteArray:
typed_array_fun = native_context->int8_array_fun();
break;
case kExternalUnsignedShortArray:
typed_array_fun = native_context->uint16_array_fun();
break;
case kExternalShortArray:
typed_array_fun = native_context->int16_array_fun();
break;
case kExternalUnsignedIntArray:
typed_array_fun = native_context->uint32_array_fun();
break;
case kExternalIntArray:
typed_array_fun = native_context->int32_array_fun();
break;
case kExternalFloatArray:
typed_array_fun = native_context->float_array_fun();
break;
case kExternalDoubleArray:
typed_array_fun = native_context->double_array_fun();
break;
default:
UNREACHABLE();
return Handle<JSTypedArray>();
}
CALL_HEAP_FUNCTION(
isolate(),
isolate()->heap()->AllocateJSObject(typed_array_fun),
JSTypedArray);
}
Handle<JSProxy> Factory::NewJSProxy(Handle<Object> handler,
Handle<Object> prototype) {
CALL_HEAP_FUNCTION(

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@ -315,6 +315,8 @@ class Factory {
Handle<JSArrayBuffer> NewJSArrayBuffer();
Handle<JSTypedArray> NewJSTypedArray(ExternalArrayType type);
Handle<JSProxy> NewJSProxy(Handle<Object> handler, Handle<Object> prototype);
// Change the type of the argument into a JS object/function and reinitialize.

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@ -13372,6 +13372,31 @@ MaybeObject* JSObject::PrepareElementsForSort(uint32_t limit) {
return result_double;
}
ExternalArrayType JSTypedArray::type() {
switch (elements()->map()->instance_type()) {
case EXTERNAL_BYTE_ARRAY_TYPE:
return kExternalByteArray;
case EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE:
return kExternalUnsignedByteArray;
case EXTERNAL_SHORT_ARRAY_TYPE:
return kExternalShortArray;
case EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE:
return kExternalUnsignedShortArray;
case EXTERNAL_INT_ARRAY_TYPE:
return kExternalIntArray;
case EXTERNAL_UNSIGNED_INT_ARRAY_TYPE:
return kExternalUnsignedIntArray;
case EXTERNAL_FLOAT_ARRAY_TYPE:
return kExternalFloatArray;
case EXTERNAL_DOUBLE_ARRAY_TYPE:
return kExternalDoubleArray;
case EXTERNAL_PIXEL_ARRAY_TYPE:
return kExternalPixelArray;
default:
return static_cast<ExternalArrayType>(-1);
}
}
Object* ExternalPixelArray::SetValue(uint32_t index, Object* value) {
uint8_t clamped_value = 0;

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@ -8707,6 +8707,8 @@ class JSTypedArray: public JSObject {
// Casting.
static inline JSTypedArray* cast(Object* obj);
ExternalArrayType type();
// Dispatched behavior.
DECLARE_PRINTER(JSTypedArray)
DECLARE_VERIFIER(JSTypedArray)

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@ -2315,7 +2315,6 @@ THREADED_TEST(ArrayBuffer) {
result = CompileRun("u8_b[0] + u8_b[1]");
CHECK_EQ(0xDD, result->Int32Value());
delete[] my_data;
}
@ -12295,10 +12294,11 @@ THREADED_TEST(ExternalAllocatedMemory) {
CHECK(!env.IsEmpty());
const intptr_t kSize = 1024*1024;
v8::Isolate* isolate = env->GetIsolate();
CHECK_EQ(cast(isolate->AdjustAmountOfExternalAllocatedMemory(kSize)),
cast(kSize));
CHECK_EQ(cast(isolate->AdjustAmountOfExternalAllocatedMemory(-kSize)),
cast(0));
int64_t baseline = cast(isolate->AdjustAmountOfExternalAllocatedMemory(0));
CHECK_EQ(baseline + cast(kSize),
cast(isolate->AdjustAmountOfExternalAllocatedMemory(kSize)));
CHECK_EQ(baseline,
cast(isolate->AdjustAmountOfExternalAllocatedMemory(-kSize)));
}
@ -14435,39 +14435,13 @@ static int ExternalArrayElementSize(v8::ExternalArrayType array_type) {
template <class ExternalArrayClass, class ElementType>
static void ExternalArrayTestHelper(v8::ExternalArrayType array_type,
int64_t low,
int64_t high) {
LocalContext context;
v8::HandleScope scope(context->GetIsolate());
const int kElementCount = 40;
int element_size = ExternalArrayElementSize(array_type);
ElementType* array_data =
static_cast<ElementType*>(malloc(kElementCount * element_size));
i::Handle<ExternalArrayClass> array =
i::Handle<ExternalArrayClass>::cast(
FACTORY->NewExternalArray(kElementCount, array_type, array_data));
// Force GC to trigger verification.
HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
for (int i = 0; i < kElementCount; i++) {
array->set(i, static_cast<ElementType>(i));
}
// Force GC to trigger verification.
HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
for (int i = 0; i < kElementCount; i++) {
CHECK_EQ(static_cast<int64_t>(i),
static_cast<int64_t>(array->get_scalar(i)));
CHECK_EQ(static_cast<int64_t>(i), static_cast<int64_t>(array_data[i]));
}
v8::Handle<v8::Object> obj = v8::Object::New();
static void ObjectWithExternalArrayTestHelper(
Handle<Context> context,
v8::Handle<Object> obj,
int element_count,
v8::ExternalArrayType array_type,
int64_t low, int64_t high) {
i::Handle<i::JSObject> jsobj = v8::Utils::OpenHandle(*obj);
// Set the elements to be the external array.
obj->SetIndexedPropertiesToExternalArrayData(array_data,
array_type,
kElementCount);
CHECK_EQ(
1, static_cast<int>(jsobj->GetElement(1)->ToObjectChecked()->Number()));
obj->Set(v8_str("field"), v8::Int32::New(1503));
context->Global()->Set(v8_str("ext_array"), obj);
v8::Handle<v8::Value> result = CompileRun("ext_array.field");
@ -14584,7 +14558,7 @@ static void ExternalArrayTestHelper(v8::ExternalArrayType array_type,
" caught_exception = true;"
"}"
"caught_exception;",
kElementCount);
element_count);
result = CompileRun(test_buf.start());
CHECK_EQ(false, result->BooleanValue());
@ -14597,7 +14571,7 @@ static void ExternalArrayTestHelper(v8::ExternalArrayType array_type,
" caught_exception = true;"
"}"
"caught_exception;",
kElementCount);
element_count);
result = CompileRun(test_buf.start());
CHECK_EQ(false, result->BooleanValue());
@ -14698,9 +14672,12 @@ static void ExternalArrayTestHelper(v8::ExternalArrayType array_type,
CHECK_EQ(true, result->BooleanValue());
}
for (int i = 0; i < kElementCount; i++) {
i::Handle<ExternalArrayClass> array(
ExternalArrayClass::cast(jsobj->elements()));
for (int i = 0; i < element_count; i++) {
array->set(i, static_cast<ElementType>(i));
}
// Test complex assignments
result = CompileRun("function ee_op_test_complex_func(sum) {"
" for (var i = 0; i < 40; ++i) {"
@ -14757,6 +14734,48 @@ static void ExternalArrayTestHelper(v8::ExternalArrayType array_type,
result = CompileRun("ext_array[1] = 23;");
CHECK_EQ(23, result->Int32Value());
}
template <class ExternalArrayClass, class ElementType>
static void ExternalArrayTestHelper(v8::ExternalArrayType array_type,
int64_t low,
int64_t high) {
LocalContext context;
v8::HandleScope scope(context->GetIsolate());
const int kElementCount = 40;
int element_size = ExternalArrayElementSize(array_type);
ElementType* array_data =
static_cast<ElementType*>(malloc(kElementCount * element_size));
i::Handle<ExternalArrayClass> array =
i::Handle<ExternalArrayClass>::cast(
FACTORY->NewExternalArray(kElementCount, array_type, array_data));
// Force GC to trigger verification.
HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
for (int i = 0; i < kElementCount; i++) {
array->set(i, static_cast<ElementType>(i));
}
// Force GC to trigger verification.
HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
for (int i = 0; i < kElementCount; i++) {
CHECK_EQ(static_cast<int64_t>(i),
static_cast<int64_t>(array->get_scalar(i)));
CHECK_EQ(static_cast<int64_t>(i), static_cast<int64_t>(array_data[i]));
}
v8::Handle<v8::Object> obj = v8::Object::New();
i::Handle<i::JSObject> jsobj = v8::Utils::OpenHandle(*obj);
// Set the elements to be the external array.
obj->SetIndexedPropertiesToExternalArrayData(array_data,
array_type,
kElementCount);
CHECK_EQ(
1, static_cast<int>(jsobj->GetElement(1)->ToObjectChecked()->Number()));
ObjectWithExternalArrayTestHelper<ExternalArrayClass, ElementType>(
context.local(), obj, kElementCount, array_type, low, high);
v8::Handle<v8::Value> result;
// Test more complex manipulations which cause eax to contain values
// that won't be completely overwritten by loads from the arrays.
@ -15074,6 +15093,87 @@ TEST(ExternalArrayLimits) {
}
template <typename ElementType, typename TypedArray,
class ExternalArrayClass>
void TypedArrayTestHelper(v8::ExternalArrayType array_type,
int64_t low, int64_t high) {
const int kElementCount = 50;
i::FLAG_harmony_typed_arrays = true;
LocalContext env;
v8::Isolate* isolate = env->GetIsolate();
v8::HandleScope handle_scope(isolate);
Local<v8::ArrayBuffer> ab =
v8::ArrayBuffer::New((kElementCount+2)*sizeof(ElementType));
Local<TypedArray> ta =
TypedArray::New(ab, 2*sizeof(ElementType), kElementCount);
CHECK_EQ(kElementCount, static_cast<int>(ta->Length()));
CHECK_EQ(2*sizeof(ElementType), static_cast<int>(ta->ByteOffset()));
CHECK_EQ(kElementCount*sizeof(ElementType),
static_cast<int>(ta->ByteLength()));
CHECK_EQ(ab, ta->Buffer());
ElementType* data = static_cast<ElementType*>(ab->Data()) + 2;
for (int i = 0; i < kElementCount; i++) {
data[i] = static_cast<ElementType>(i);
}
ObjectWithExternalArrayTestHelper<ExternalArrayClass, ElementType>(
env.local(), ta, kElementCount, array_type, low, high);
}
THREADED_TEST(Uint8Array) {
TypedArrayTestHelper<uint8_t, v8::Uint8Array, i::ExternalUnsignedByteArray>(
v8::kExternalUnsignedByteArray, 0, 0xFF);
}
THREADED_TEST(Int8Array) {
TypedArrayTestHelper<int8_t, v8::Int8Array, i::ExternalByteArray>(
v8::kExternalByteArray, -0x80, 0x7F);
}
THREADED_TEST(Uint16Array) {
TypedArrayTestHelper<uint16_t,
v8::Uint16Array,
i::ExternalUnsignedShortArray>(
v8::kExternalUnsignedShortArray, 0, 0xFFFF);
}
THREADED_TEST(Int16Array) {
TypedArrayTestHelper<int16_t, v8::Int16Array, i::ExternalShortArray>(
v8::kExternalShortArray, -0x8000, 0x7FFF);
}
THREADED_TEST(Uint32Array) {
TypedArrayTestHelper<uint32_t, v8::Uint32Array, i::ExternalUnsignedIntArray>(
v8::kExternalUnsignedIntArray, 0, UINT_MAX);
}
THREADED_TEST(Int32Array) {
TypedArrayTestHelper<int32_t, v8::Int32Array, i::ExternalIntArray>(
v8::kExternalIntArray, INT_MIN, INT_MAX);
}
THREADED_TEST(Float32Array) {
TypedArrayTestHelper<float, v8::Float32Array, i::ExternalFloatArray>(
v8::kExternalFloatArray, -500, 500);
}
THREADED_TEST(Float64Array) {
TypedArrayTestHelper<double, v8::Float64Array, i::ExternalDoubleArray>(
v8::kExternalDoubleArray, -500, 500);
}
THREADED_TEST(ScriptContextDependence) {
LocalContext c1;
v8::HandleScope scope(c1->GetIsolate());