Implement Harmony sets and maps.

src/bootstrapper.cc

 // Copyright 2011 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 1209 matching lines @@
 
   // Initialize the data slot.
   global_context()->set_data(heap->undefined_value());
 }
 
 
 void Genesis::InitializeExperimentalGlobal() {
   Handle<JSObject> global = Handle<JSObject>(global_context()->global());
 
   // TODO(mstarzinger): Move this into Genesis::InitializeGlobal once we no
-  // longer need to live behind a flag, so WeakMap gets added to the snapshot.
+  // longer need to live behind a flag, so functions get added to the snapshot.
+  if (FLAG_harmony_collections) {  // -- S e t
+    Handle<JSObject> prototype =
+        factory()->NewJSObject(isolate()->object_function(), TENURED);
+    InstallFunction(global, "Set", JS_SET_TYPE, JSSet::kSize,
+                    prototype, Builtins::kIllegal, true);
+  }
+  if (FLAG_harmony_collections) {  // -- M a p
+    Handle<JSObject> prototype =
+        factory()->NewJSObject(isolate()->object_function(), TENURED);
+    InstallFunction(global, "Map", JS_MAP_TYPE, JSMap::kSize,
+                    prototype, Builtins::kIllegal, true);
+  }
   if (FLAG_harmony_weakmaps) {  // -- 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);
   }
 }
 
 
 bool Genesis::CompileBuiltin(Isolate* isolate, int index) {
@@ skipping 492 matching lines @@
 
 bool Genesis::InstallExperimentalNatives() {
   for (int i = ExperimentalNatives::GetDebuggerCount();
        i < ExperimentalNatives::GetBuiltinsCount();
        i++) {
     if (FLAG_harmony_proxies &&
         strcmp(ExperimentalNatives::GetScriptName(i).start(),
                "native proxy.js") == 0) {
       if (!CompileExperimentalBuiltin(isolate(), i)) return false;
     }
+    if (FLAG_harmony_collections &&
+        strcmp(ExperimentalNatives::GetScriptName(i).start(),
+               "native collection.js") == 0) {
+      if (!CompileExperimentalBuiltin(isolate(), i)) return false;
+    }
     if (FLAG_harmony_weakmaps &&
         strcmp(ExperimentalNatives::GetScriptName(i).start(),
                "native weakmap.js") == 0) {
       if (!CompileExperimentalBuiltin(isolate(), i)) return false;
     }
   }
 
   InstallExperimentalNativeFunctions();
 
   return true;
@@ skipping 514 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   ASSERT(!IsActive());
 }
 
 } }  // namespace v8::internal