Version 3.26.0 (based on bleeding_edge revision r20354)
Deprecate Start/StopCpuProfiling methods (issue 3213).
Don't crash if we get a timezone change notification on an uninitialized isolate (Chromium issue 357362).
Performance and stability improvements on all platforms.
git-svn-id: http://v8.googlecode.com/svn/trunk@20359 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/typedarray.js b/src/typedarray.js
index 109d627..e86c86c 100644
--- a/src/typedarray.js
+++ b/src/typedarray.js
@@ -57,7 +57,7 @@
length = ToPositiveInteger(length, "invalid_typed_array_length");
}
- var bufferByteLength = %ArrayBufferGetByteLength(buffer);
+ var bufferByteLength = %_ArrayBufferGetByteLength(buffer);
var offset;
if (IS_UNDEFINED(byteOffset)) {
offset = 0;
@@ -125,7 +125,6 @@
}
function NAMEConstructor(arg1, arg2, arg3) {
-
if (%_IsConstructCall()) {
if (IS_ARRAYBUFFER(arg1)) {
NAMEConstructByArrayBuffer(this, arg1, arg2, arg3);
@@ -139,34 +138,52 @@
throw MakeTypeError("constructor_not_function", ["NAME"])
}
}
-endmacro
-TYPED_ARRAYS(TYPED_ARRAY_CONSTRUCTOR)
+ function NAME_GetBuffer() {
+ if (!(%_ClassOf(this) === 'NAME')) {
+ throw MakeTypeError('incompatible_method_receiver',
+ ["NAME.buffer", this]);
+ }
+ return %TypedArrayGetBuffer(this);
+ }
-function TypedArrayGetBuffer() {
- return %TypedArrayGetBuffer(this);
-}
+ function NAME_GetByteLength() {
+ if (!(%_ClassOf(this) === 'NAME')) {
+ throw MakeTypeError('incompatible_method_receiver',
+ ["NAME.byteLength", this]);
+ }
+ return %_ArrayBufferViewGetByteLength(this);
+ }
-function TypedArrayGetByteLength() {
- return %TypedArrayGetByteLength(this);
-}
+ function NAME_GetByteOffset() {
+ if (!(%_ClassOf(this) === 'NAME')) {
+ throw MakeTypeError('incompatible_method_receiver',
+ ["NAME.byteOffset", this]);
+ }
+ return %_ArrayBufferViewGetByteOffset(this);
+ }
-function TypedArrayGetByteOffset() {
- return %TypedArrayGetByteOffset(this);
-}
+ function NAME_GetLength() {
+ if (!(%_ClassOf(this) === 'NAME')) {
+ throw MakeTypeError('incompatible_method_receiver',
+ ["NAME.length", this]);
+ }
+ return %_TypedArrayGetLength(this);
+ }
-function TypedArrayGetLength() {
- return %TypedArrayGetLength(this);
-}
+ var $NAME = global.NAME;
-function CreateSubArray(elementSize, constructor) {
- return function(begin, end) {
+ function NAMESubArray(begin, end) {
+ if (!(%_ClassOf(this) === 'NAME')) {
+ throw MakeTypeError('incompatible_method_receiver',
+ ["NAME.subarray", this]);
+ }
var beginInt = TO_INTEGER(begin);
if (!IS_UNDEFINED(end)) {
end = TO_INTEGER(end);
}
- var srcLength = %TypedArrayGetLength(this);
+ var srcLength = %_TypedArrayGetLength(this);
if (beginInt < 0) {
beginInt = MathMax(0, srcLength + beginInt);
} else {
@@ -184,11 +201,14 @@
}
var newLength = endInt - beginInt;
var beginByteOffset =
- %TypedArrayGetByteOffset(this) + beginInt * elementSize;
- return new constructor(%TypedArrayGetBuffer(this),
- beginByteOffset, newLength);
+ %_ArrayBufferViewGetByteOffset(this) + beginInt * ELEMENT_SIZE;
+ return new $NAME(%TypedArrayGetBuffer(this),
+ beginByteOffset, newLength);
}
-}
+endmacro
+
+TYPED_ARRAYS(TYPED_ARRAY_CONSTRUCTOR)
+
function TypedArraySetFromArrayLike(target, source, sourceLength, offset) {
if (offset > 0) {
@@ -296,34 +316,34 @@
// -------------------------------------------------------------------
-function SetupTypedArray(constructor, fun, elementSize) {
+function SetupTypedArrays() {
+macro SETUP_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE)
%CheckIsBootstrapping();
- %SetCode(constructor, fun);
- %FunctionSetPrototype(constructor, new $Object());
+ %SetCode(global.NAME, NAMEConstructor);
+ %FunctionSetPrototype(global.NAME, new $Object());
- %SetProperty(constructor, "BYTES_PER_ELEMENT", elementSize,
+ %SetProperty(global.NAME, "BYTES_PER_ELEMENT", ELEMENT_SIZE,
READ_ONLY | DONT_ENUM | DONT_DELETE);
- %SetProperty(constructor.prototype,
- "constructor", constructor, DONT_ENUM);
- %SetProperty(constructor.prototype,
- "BYTES_PER_ELEMENT", elementSize,
+ %SetProperty(global.NAME.prototype,
+ "constructor", global.NAME, DONT_ENUM);
+ %SetProperty(global.NAME.prototype,
+ "BYTES_PER_ELEMENT", ELEMENT_SIZE,
READ_ONLY | DONT_ENUM | DONT_DELETE);
- InstallGetter(constructor.prototype, "buffer", TypedArrayGetBuffer);
- InstallGetter(constructor.prototype, "byteOffset", TypedArrayGetByteOffset);
- InstallGetter(constructor.prototype, "byteLength", TypedArrayGetByteLength);
- InstallGetter(constructor.prototype, "length", TypedArrayGetLength);
+ InstallGetter(global.NAME.prototype, "buffer", NAME_GetBuffer);
+ InstallGetter(global.NAME.prototype, "byteOffset", NAME_GetByteOffset);
+ InstallGetter(global.NAME.prototype, "byteLength", NAME_GetByteLength);
+ InstallGetter(global.NAME.prototype, "length", NAME_GetLength);
- InstallFunctions(constructor.prototype, DONT_ENUM, $Array(
- "subarray", CreateSubArray(elementSize, constructor),
+ InstallFunctions(global.NAME.prototype, DONT_ENUM, $Array(
+ "subarray", NAMESubArray,
"set", TypedArraySet
));
-}
-
-macro SETUP_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE)
- SetupTypedArray (global.NAME, NAMEConstructor, ELEMENT_SIZE);
endmacro
TYPED_ARRAYS(SETUP_TYPED_ARRAY)
+}
+
+SetupTypedArrays();
// --------------------------- DataView -----------------------------
@@ -341,7 +361,7 @@
byteLength = TO_INTEGER(byteLength);
}
- var bufferByteLength = %ArrayBufferGetByteLength(buffer);
+ var bufferByteLength = %_ArrayBufferGetByteLength(buffer);
var offset = IS_UNDEFINED(byteOffset) ? 0 : byteOffset;
if (offset > bufferByteLength) {
@@ -373,7 +393,7 @@
throw MakeTypeError('incompatible_method_receiver',
['DataView.byteOffset', this]);
}
- return %DataViewGetByteOffset(this);
+ return %_ArrayBufferViewGetByteOffset(this);
}
function DataViewGetByteLength() {
@@ -381,7 +401,7 @@
throw MakeTypeError('incompatible_method_receiver',
['DataView.byteLength', this]);
}
- return %DataViewGetByteLength(this);
+ return %_ArrayBufferViewGetByteLength(this);
}
macro DATA_VIEW_TYPES(FUNCTION)