First steps towards implementing ArrayBuffer &co in V8

src/bootstrapper.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1293 matching lines @@
       InstallFunction(global, "Map", JS_MAP_TYPE, JSMap::kSize,
                       prototype, Builtins::kIllegal, true);
     }
     {  // -- W e a k M a p
       Handle<JSObject> prototype =
           factory()->NewJSObject(isolate()->object_function(), TENURED);
       InstallFunction(global, "WeakMap", JS_WEAK_MAP_TYPE, JSWeakMap::kSize,
                       prototype, Builtins::kIllegal, true);
     }
   }
+
+  if (FLAG_harmony_typed_arrays) {
+    { // -- A r r a y B u f f e r
+      Handle<JSObject> prototype =
+          factory()->NewJSObject(isolate()->object_function(), TENURED);
+      InstallFunction(global, "__ArrayBuffer", JS_ARRAY_BUFFER_TYPE,
+                      JSArrayBuffer::kSize, prototype,
+                      Builtins::kIllegal, true);
+    }
+  }
 }
 
 
 bool Genesis::CompileBuiltin(Isolate* isolate, int index) {
   Vector<const char> name = Natives::GetScriptName(index);
   Handle<String> source_code =
       isolate->bootstrapper()->NativesSourceLookup(index);
   return CompileNative(isolate, name, source_code);
 }
 
@@ skipping 587 matching lines @@
     if (FLAG_harmony_collections &&
         strcmp(ExperimentalNatives::GetScriptName(i).start(),
                "native collection.js") == 0) {
       if (!CompileExperimentalBuiltin(isolate(), i)) return false;
     }
     if (FLAG_harmony_observation &&
         strcmp(ExperimentalNatives::GetScriptName(i).start(),
                "native object-observe.js") == 0) {
       if (!CompileExperimentalBuiltin(isolate(), i)) return false;
     }
+    if (FLAG_harmony_typed_arrays &&
+        strcmp(ExperimentalNatives::GetScriptName(i).start(),
+               "native typedarray.js") == 0) {
+      if (!CompileExperimentalBuiltin(isolate(), i)) return false;
+    }
   }
 
   InstallExperimentalNativeFunctions();
 
   return true;
 }
 
 
 static Handle<JSObject> ResolveBuiltinIdHolder(
     Handle<Context> native_context,
@@ skipping 564 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   ASSERT(!IsActive());
 }
 
 } }  // namespace v8::internal