WIP SharedArrayBuffer implementation

src/objects.cc

 // 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.
 
 #include <iomanip>
 #include <sstream>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 1569 matching lines @@
     case JS_OBJECT_TYPE:
     case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
     case JS_GENERATOR_OBJECT_TYPE:
     case JS_MODULE_TYPE:
     case JS_VALUE_TYPE:
     case JS_DATE_TYPE:
     case JS_ARRAY_TYPE:
     case JS_ARRAY_BUFFER_TYPE:
     case JS_TYPED_ARRAY_TYPE:
     case JS_DATA_VIEW_TYPE:
+    case JS_SHARED_ARRAY_BUFFER_TYPE:
+    case JS_SHARED_TYPED_ARRAY_TYPE:
     case JS_SET_TYPE:
     case JS_MAP_TYPE:
     case JS_SET_ITERATOR_TYPE:
     case JS_MAP_ITERATOR_TYPE:
     case JS_WEAK_MAP_TYPE:
     case JS_WEAK_SET_TYPE:
     case JS_REGEXP_TYPE:
     case JS_GLOBAL_PROXY_TYPE:
     case JS_GLOBAL_OBJECT_TYPE:
     case JS_BUILTINS_OBJECT_TYPE:
@@ skipping 15422 matching lines @@
 
   Handle<Map> map(typed_array->map());
   Isolate* isolate = typed_array->GetIsolate();
 
   DCHECK(IsFixedTypedArrayElementsKind(map->elements_kind()));
 
   Handle<Map> new_map = Map::TransitionElementsTo(
           map,
           FixedToExternalElementsKind(map->elements_kind()));
 
-  Handle<JSArrayBuffer> buffer = isolate->factory()->NewJSArrayBuffer();
+  Handle<JSArrayBuffer> buffer =
+      isolate->factory()->NewJSArrayBuffer(typed_array->is_shared());
   Handle<FixedTypedArrayBase> fixed_typed_array(
       FixedTypedArrayBase::cast(typed_array->elements()));
   Runtime::SetupArrayBufferAllocatingData(isolate, buffer,
       fixed_typed_array->DataSize(), false);
   memcpy(buffer->backing_store(),
          fixed_typed_array->DataPtr(),
          fixed_typed_array->DataSize());
   Handle<ExternalArray> new_elements =
       isolate->factory()->NewExternalArray(
           fixed_typed_array->length(), typed_array->type(),
@@ skipping 158 matching lines @@
 void PropertyCell::SetValueWithInvalidation(Handle<PropertyCell> cell,
                                             Handle<Object> new_value) {
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 } }  // namespace v8::internal