Implement SharedArrayBuffer

src/typedarray.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 (function(global, utils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 109 matching lines @@
     for (var i = 0; i < l; i++) {
       // It is crucial that we let any execptions from arrayLike[i]
       // propagate outside the function.
       obj[i] = arrayLike[i];
     }
   }
 }
 
 function NAMEConstructor(arg1, arg2, arg3) {
   if (%_IsConstructCall()) {
-    if (IS_ARRAYBUFFER(arg1)) {
+    if (IS_ARRAYBUFFER(arg1) || IS_SHAREDARRAYBUFFER(arg1)) {
       NAMEConstructByArrayBuffer(this, arg1, arg2, arg3);
     } else if (IS_NUMBER(arg1) || IS_STRING(arg1) ||
                IS_BOOLEAN(arg1) || IS_UNDEFINED(arg1)) {
       NAMEConstructByLength(this, arg1);
     } else {
       NAMEConstructByArrayLike(this, arg1);
     }
   } else {
     throw MakeTypeError(kConstructorNotFunction, "NAME")
   }
@@ skipping 199 matching lines @@
     "set", TypedArraySet
   ]);
 endmacro
 
 TYPED_ARRAYS(SETUP_TYPED_ARRAY)
 
 // --------------------------- DataView -----------------------------
 
 function DataViewConstructor(buffer, byteOffset, byteLength) { // length = 3
   if (%_IsConstructCall()) {
+    // TODO(binji): support SharedArrayBuffers?
     if (!IS_ARRAYBUFFER(buffer)) throw MakeTypeError(kDataViewNotArrayBuffer);
     if (!IS_UNDEFINED(byteOffset)) {
         byteOffset = $toPositiveInteger(byteOffset, kInvalidDataViewOffset);
     }
     if (!IS_UNDEFINED(byteLength)) {
         byteLength = TO_INTEGER(byteLength);
     }
 
     var bufferByteLength = %_ArrayBufferGetByteLength(buffer);
 
@@ skipping 105 matching lines @@
   "setUint32", DataViewSetUint32JS,
 
   "getFloat32", DataViewGetFloat32JS,
   "setFloat32", DataViewSetFloat32JS,
 
   "getFloat64", DataViewGetFloat64JS,
   "setFloat64", DataViewSetFloat64JS
 ]);
 
 })