AllocationSites for all literals

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 4d8a45bb2d58d3066219dfc01d80b03ea64af9c9..02bd1fe8c4176f2dd26f5eab0e7099f38c67248b 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2026,6 +2026,8 @@ class JSReceiver: public HeapObject {
   DISALLOW_IMPLICIT_CONSTRUCTORS(JSReceiver);
 };
 
+class AllocationSiteContext;

[Hannes Payer (out of office), 2013/10/11 12:55:44]

Move this one up to the other forward class declarations.

[mvstanton, 2013/10/11 13:41:47]

Done.

+
 // The JSObject describes real heap allocated JavaScript objects with
 // properties.
 // Note that the map of JSObject changes during execution to enable inline
@@ -2534,8 +2536,13 @@ class JSObject: public JSReceiver {
   MUST_USE_RESULT MaybeObject* SetObserved(Isolate* isolate);
 
   // Copy object.
+  static Handle<JSObject> Copy(Handle<JSObject> object,
+                               AllocationSiteContext* site_context);
   static Handle<JSObject> Copy(Handle<JSObject> object);
-  static Handle<JSObject> DeepCopy(Handle<JSObject> object);
+  static Handle<JSObject> DeepCopy(Handle<JSObject> object,
+                                   AllocationSiteContext* site_context);
+  static Handle<JSObject> DeepWalk(Handle<JSObject> object,
+                                   AllocationSiteContext* site_context);
 
   // Casting.
   static inline JSObject* cast(Object* obj);
@@ -7883,6 +7890,10 @@ class AllocationSite: public Struct {
 
   inline void Initialize();
 
+  bool HasNestedSites() {
+    return nested_site()->IsAllocationSite();
+  }
+
   ElementsKind GetElementsKind() {
     ASSERT(!IsLiteralSite());
     return static_cast<ElementsKind>(Smi::cast(transition_info())->value());
@@ -7896,7 +7907,7 @@ class AllocationSite: public Struct {
     // If transition_info is a smi, then it represents an ElementsKind
     // for a constructed array. Otherwise, it must be a boilerplate
     // for an array literal
-    return transition_info()->IsJSArray();
+    return transition_info()->IsJSArray() || transition_info()->IsJSObject();

[Hannes Payer (out of office), 2013/10/11 12:55:44]

The method name and the description is outdated.

[mvstanton, 2013/10/11 13:41:47]

Updated comment and changed to SitePointsToLiteral() which is more logical.

   }
 
   DECLARE_PRINTER(AllocationSite)