WIP SharedArrayBuffer implementation

src/accessors.cc

 // Copyright 2012 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.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/contexts.h"
 #include "src/deoptimizer.h"
@@ skipping 61 matching lines @@
 bool Accessors::IsJSObjectFieldAccessor(Handle<Map> map, Handle<Name> name,
                                         int* object_offset) {
   Isolate* isolate = name->GetIsolate();
 
   switch (map->instance_type()) {
     case JS_ARRAY_TYPE:
       return
         CheckForName(name, isolate->factory()->length_string(),
                      JSArray::kLengthOffset, object_offset);
     case JS_ARRAY_BUFFER_TYPE:
+    case JS_SHARED_ARRAY_BUFFER_TYPE:
       return CheckForName(name, isolate->factory()->byte_length_string(),
                           JSArrayBuffer::kByteLengthOffset, object_offset);
     default:
       if (map->instance_type() < FIRST_NONSTRING_TYPE) {
         return CheckForName(name, isolate->factory()->length_string(),
                             String::kLengthOffset, object_offset);
       }
 
       return false;
   }
 }
 
 
 bool Accessors::IsJSArrayBufferViewFieldAccessor(Handle<Map> map,
                                                  Handle<Name> name,
                                                  int* object_offset) {
   Isolate* isolate = name->GetIsolate();
 
   switch (map->instance_type()) {
     case JS_TYPED_ARRAY_TYPE:
+    case JS_SHARED_TYPED_ARRAY_TYPE:

[jochen (gone - plz use gerrit), 2015/04/28 18:31:46]

can shared array buffers be neutered?

[binji, 2015/04/29 18:27:22]

no, does that affect the code here?

       // %TypedArray%.prototype is non-configurable, and so are the following
       // named properties on %TypedArray%.prototype, so we can directly inline
       // the field-load for typed array maps that still use their
       // %TypedArray%.prototype.
       if (JSFunction::cast(map->GetConstructor())->prototype() !=
           map->prototype()) {
         return false;
       }
       return CheckForName(name, isolate->factory()->length_string(),
                           JSTypedArray::kLengthOffset, object_offset) ||
@@ skipping 1374 matching lines @@
   info->set_data(Smi::FromInt(index));
   Handle<Object> getter = v8::FromCData(isolate, &ModuleGetExport);
   Handle<Object> setter = v8::FromCData(isolate, &ModuleSetExport);
   info->set_getter(*getter);
   if (!(attributes & ReadOnly)) info->set_setter(*setter);
   return info;
 }
 
 
 } }  // namespace v8::internal