Reland "Wrap typed array implementations in functions."

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/1090563002

Cr-Commit-Position: refs/heads/master@{#27839}
This commit is contained in:
yangguo 2015-04-15 03:36:20 -07:00 committed by Commit bot
parent d96224e858
commit dd06f905cb
5 changed files with 116 additions and 122 deletions

View File

@ -2,13 +2,35 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
var $iteratorCreateResultObject;
var $arrayValues;
(function() {
"use strict";
%CheckIsBootstrapping();
// This file relies on the fact that the following declaration has been made
// in runtime.js:
// var $Array = global.Array;
var GlobalArray = global.Array;
var GlobalObject = global.Object;
macro TYPED_ARRAYS(FUNCTION)
FUNCTION(Uint8Array)
FUNCTION(Int8Array)
FUNCTION(Uint16Array)
FUNCTION(Int16Array)
FUNCTION(Uint32Array)
FUNCTION(Int32Array)
FUNCTION(Float32Array)
FUNCTION(Float64Array)
FUNCTION(Uint8ClampedArray)
endmacro
macro COPY_FROM_GLOBAL(NAME)
var GlobalNAME = global.NAME;
endmacro
TYPED_ARRAYS(COPY_FROM_GLOBAL)
var arrayIteratorObjectSymbol = GLOBAL_PRIVATE("ArrayIterator#object");
var arrayIteratorNextIndexSymbol = GLOBAL_PRIVATE("ArrayIterator#next");
@ -100,60 +122,38 @@ function ArrayKeys() {
}
function SetUpArrayIterator() {
%CheckIsBootstrapping();
%FunctionSetPrototype(ArrayIterator, new GlobalObject());
%FunctionSetInstanceClassName(ArrayIterator, 'Array Iterator');
%FunctionSetPrototype(ArrayIterator, new $Object());
%FunctionSetInstanceClassName(ArrayIterator, 'Array Iterator');
InstallFunctions(ArrayIterator.prototype, DONT_ENUM, [
'next', ArrayIteratorNext
]);
%FunctionSetName(ArrayIteratorIterator, '[Symbol.iterator]');
%AddNamedProperty(ArrayIterator.prototype, symbolIterator,
ArrayIteratorIterator, DONT_ENUM);
%AddNamedProperty(ArrayIterator.prototype, symbolToStringTag,
"Array Iterator", READ_ONLY | DONT_ENUM);
InstallFunctions(ArrayIterator.prototype, DONT_ENUM, [
'next', ArrayIteratorNext
]);
%FunctionSetName(ArrayIteratorIterator, '[Symbol.iterator]');
%AddNamedProperty(ArrayIterator.prototype, symbolIterator,
ArrayIteratorIterator, DONT_ENUM);
%AddNamedProperty(ArrayIterator.prototype, symbolToStringTag,
"Array Iterator", READ_ONLY | DONT_ENUM);
}
SetUpArrayIterator();
InstallFunctions(GlobalArray.prototype, DONT_ENUM, [
// No 'values' since it breaks webcompat: http://crbug.com/409858
'entries', ArrayEntries,
'keys', ArrayKeys
]);
function ExtendArrayPrototype() {
%CheckIsBootstrapping();
InstallFunctions($Array.prototype, DONT_ENUM, [
// No 'values' since it breaks webcompat: http://crbug.com/409858
'entries', ArrayEntries,
'keys', ArrayKeys
]);
%AddNamedProperty($Array.prototype, symbolIterator, ArrayValues, DONT_ENUM);
}
ExtendArrayPrototype();
function ExtendTypedArrayPrototypes() {
%CheckIsBootstrapping();
macro TYPED_ARRAYS(FUNCTION)
FUNCTION(Uint8Array)
FUNCTION(Int8Array)
FUNCTION(Uint16Array)
FUNCTION(Int16Array)
FUNCTION(Uint32Array)
FUNCTION(Int32Array)
FUNCTION(Float32Array)
FUNCTION(Float64Array)
FUNCTION(Uint8ClampedArray)
endmacro
%AddNamedProperty(GlobalArray.prototype, symbolIterator, ArrayValues,
DONT_ENUM);
macro EXTEND_TYPED_ARRAY(NAME)
%AddNamedProperty($NAME.prototype, 'entries', ArrayEntries, DONT_ENUM);
%AddNamedProperty($NAME.prototype, 'values', ArrayValues, DONT_ENUM);
%AddNamedProperty($NAME.prototype, 'keys', ArrayKeys, DONT_ENUM);
%AddNamedProperty($NAME.prototype, symbolIterator, ArrayValues, DONT_ENUM);
%AddNamedProperty(GlobalNAME.prototype, 'entries', ArrayEntries, DONT_ENUM);
%AddNamedProperty(GlobalNAME.prototype, 'values', ArrayValues, DONT_ENUM);
%AddNamedProperty(GlobalNAME.prototype, 'keys', ArrayKeys, DONT_ENUM);
%AddNamedProperty(GlobalNAME.prototype, symbolIterator, ArrayValues,
DONT_ENUM);
endmacro
TYPED_ARRAYS(EXTEND_TYPED_ARRAY)
}
ExtendTypedArrayPrototypes();
TYPED_ARRAYS(EXTEND_TYPED_ARRAY)
$iteratorCreateResultObject = CreateIteratorResultObject;
$arrayValues = ArrayValues;
})();

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@ -2,9 +2,14 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
(function() {
"use strict";
var $ArrayBuffer = global.ArrayBuffer;
%CheckIsBootstrapping();
var GlobalArrayBuffer = global.ArrayBuffer;
var GlobalObject = global.Object;
// -------------------------------------------------------------------
@ -56,7 +61,7 @@ function ArrayBufferSlice(start, end) {
}
var newLen = fin - first;
// TODO(dslomov): implement inheritance
var result = new $ArrayBuffer(newLen);
var result = new GlobalArrayBuffer(newLen);
%ArrayBufferSliceImpl(this, result, first);
return result;
@ -66,29 +71,26 @@ function ArrayBufferIsViewJS(obj) {
return %ArrayBufferIsView(obj);
}
function SetUpArrayBuffer() {
%CheckIsBootstrapping();
// Set up the ArrayBuffer constructor function.
%SetCode($ArrayBuffer, ArrayBufferConstructor);
%FunctionSetPrototype($ArrayBuffer, new $Object());
// Set up the ArrayBuffer constructor function.
%SetCode(GlobalArrayBuffer, ArrayBufferConstructor);
%FunctionSetPrototype(GlobalArrayBuffer, new GlobalObject());
// Set up the constructor property on the ArrayBuffer prototype object.
%AddNamedProperty(
$ArrayBuffer.prototype, "constructor", $ArrayBuffer, DONT_ENUM);
// Set up the constructor property on the ArrayBuffer prototype object.
%AddNamedProperty(
GlobalArrayBuffer.prototype, "constructor", GlobalArrayBuffer, DONT_ENUM);
%AddNamedProperty($ArrayBuffer.prototype,
symbolToStringTag, "ArrayBuffer", DONT_ENUM | READ_ONLY);
%AddNamedProperty(GlobalArrayBuffer.prototype,
symbolToStringTag, "ArrayBuffer", DONT_ENUM | READ_ONLY);
InstallGetter($ArrayBuffer.prototype, "byteLength", ArrayBufferGetByteLen);
InstallGetter(GlobalArrayBuffer.prototype, "byteLength", ArrayBufferGetByteLen);
InstallFunctions($ArrayBuffer, DONT_ENUM, [
"isView", ArrayBufferIsViewJS
]);
InstallFunctions(GlobalArrayBuffer, DONT_ENUM, [
"isView", ArrayBufferIsViewJS
]);
InstallFunctions($ArrayBuffer.prototype, DONT_ENUM, [
"slice", ArrayBufferSlice
]);
}
InstallFunctions(GlobalArrayBuffer.prototype, DONT_ENUM, [
"slice", ArrayBufferSlice
]);
SetUpArrayBuffer();
})();

View File

@ -1566,7 +1566,7 @@ void Genesis::InstallNativeFunctions() {
native_object_get_notifier);
INSTALL_NATIVE(JSFunction, "NativeObjectNotifierPerformChange",
native_object_notifier_perform_change);
INSTALL_NATIVE(JSFunction, "ArrayValues", array_values_iterator);
INSTALL_NATIVE(JSFunction, "$arrayValues", array_values_iterator);
}

View File

@ -48,7 +48,7 @@ function StringIteratorNext() {
var s = GET_PRIVATE(iterator, stringIteratorIteratedStringSymbol);
if (IS_UNDEFINED(s)) {
return CreateIteratorResultObject(UNDEFINED, true);
return $iteratorCreateResultObject(UNDEFINED, true);
}
var position = GET_PRIVATE(iterator, stringIteratorNextIndexSymbol);
@ -57,7 +57,7 @@ function StringIteratorNext() {
if (position >= length) {
SET_PRIVATE(iterator, stringIteratorIteratedStringSymbol,
UNDEFINED);
return CreateIteratorResultObject(UNDEFINED, true);
return $iteratorCreateResultObject(UNDEFINED, true);
}
var first = %_StringCharCodeAt(s, position);
@ -74,7 +74,7 @@ function StringIteratorNext() {
SET_PRIVATE(iterator, stringIteratorNextIndexSymbol, position);
return CreateIteratorResultObject(resultString, false);
return $iteratorCreateResultObject(resultString, false);
}

View File

@ -2,13 +2,14 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
(function() {
"use strict";
// This file relies on the fact that the following declaration has been made
// in runtime.js:
// var $Array = global.Array;
var $ArrayBuffer = global.ArrayBuffer;
%CheckIsBootstrapping();
var GlobalArray = global.Array;
var GlobalArrayBuffer = global.ArrayBuffer;
// --------------- Typed Arrays ---------------------
macro TYPED_ARRAYS(FUNCTION)
@ -78,7 +79,7 @@ function NAMEConstructByLength(obj, length) {
}
var byteLength = l * ELEMENT_SIZE;
if (byteLength > %_TypedArrayMaxSizeInHeap()) {
var buffer = new $ArrayBuffer(byteLength);
var buffer = new GlobalArrayBuffer(byteLength);
%_TypedArrayInitialize(obj, ARRAY_ID, buffer, 0, byteLength);
} else {
%_TypedArrayInitialize(obj, ARRAY_ID, null, 0, byteLength);
@ -243,7 +244,7 @@ function TypedArraySetFromOverlappingTypedArray(target, source, offset) {
}
var rightIndex = CopyRightPart();
var temp = new $Array(rightIndex + 1 - leftIndex);
var temp = new GlobalArray(rightIndex + 1 - leftIndex);
for (var i = leftIndex; i <= rightIndex; i++) {
temp[i - leftIndex] = source[i];
}
@ -300,9 +301,7 @@ function TypedArrayGetToStringTag() {
// -------------------------------------------------------------------
function SetupTypedArrays() {
macro SETUP_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE)
%CheckIsBootstrapping();
%SetCode(global.NAME, NAMEConstructor);
%FunctionSetPrototype(global.NAME, new $Object());
@ -329,9 +328,6 @@ macro SETUP_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE)
endmacro
TYPED_ARRAYS(SETUP_TYPED_ARRAY)
}
SetupTypedArrays();
// --------------------------- DataView -----------------------------
@ -439,47 +435,43 @@ endmacro
DATA_VIEW_TYPES(DATA_VIEW_GETTER_SETTER)
function SetupDataView() {
%CheckIsBootstrapping();
// Setup the DataView constructor.
%SetCode($DataView, DataViewConstructor);
%FunctionSetPrototype($DataView, new $Object);
// Setup the DataView constructor.
%SetCode($DataView, DataViewConstructor);
%FunctionSetPrototype($DataView, new $Object);
// Set up constructor property on the DataView prototype.
%AddNamedProperty($DataView.prototype, "constructor", $DataView, DONT_ENUM);
%AddNamedProperty(
$DataView.prototype, symbolToStringTag, "DataView", READ_ONLY|DONT_ENUM);
// Set up constructor property on the DataView prototype.
%AddNamedProperty($DataView.prototype, "constructor", $DataView, DONT_ENUM);
%AddNamedProperty(
$DataView.prototype, symbolToStringTag, "DataView", READ_ONLY|DONT_ENUM);
InstallGetter($DataView.prototype, "buffer", DataViewGetBufferJS);
InstallGetter($DataView.prototype, "byteOffset", DataViewGetByteOffset);
InstallGetter($DataView.prototype, "byteLength", DataViewGetByteLength);
InstallGetter($DataView.prototype, "buffer", DataViewGetBufferJS);
InstallGetter($DataView.prototype, "byteOffset", DataViewGetByteOffset);
InstallGetter($DataView.prototype, "byteLength", DataViewGetByteLength);
InstallFunctions($DataView.prototype, DONT_ENUM, [
"getInt8", DataViewGetInt8JS,
"setInt8", DataViewSetInt8JS,
InstallFunctions($DataView.prototype, DONT_ENUM, [
"getInt8", DataViewGetInt8JS,
"setInt8", DataViewSetInt8JS,
"getUint8", DataViewGetUint8JS,
"setUint8", DataViewSetUint8JS,
"getUint8", DataViewGetUint8JS,
"setUint8", DataViewSetUint8JS,
"getInt16", DataViewGetInt16JS,
"setInt16", DataViewSetInt16JS,
"getInt16", DataViewGetInt16JS,
"setInt16", DataViewSetInt16JS,
"getUint16", DataViewGetUint16JS,
"setUint16", DataViewSetUint16JS,
"getUint16", DataViewGetUint16JS,
"setUint16", DataViewSetUint16JS,
"getInt32", DataViewGetInt32JS,
"setInt32", DataViewSetInt32JS,
"getInt32", DataViewGetInt32JS,
"setInt32", DataViewSetInt32JS,
"getUint32", DataViewGetUint32JS,
"setUint32", DataViewSetUint32JS,
"getUint32", DataViewGetUint32JS,
"setUint32", DataViewSetUint32JS,
"getFloat32", DataViewGetFloat32JS,
"setFloat32", DataViewSetFloat32JS,
"getFloat32", DataViewGetFloat32JS,
"setFloat32", DataViewSetFloat32JS,
"getFloat64", DataViewGetFloat64JS,
"setFloat64", DataViewSetFloat64JS
]);
"getFloat64", DataViewGetFloat64JS,
"setFloat64", DataViewSetFloat64JS
]);
}
SetupDataView();
})();