Introduce a lookup cache class in the runtime system and use it for...

src/heap-inl.h

Index: src/heap-inl.h
===================================================================
--- src/heap-inl.h	(revision 556)
+++ src/heap-inl.h	(working copy)
@@ -165,6 +165,26 @@
 }
 
 
+Object* Heap::GetKeyedLookupCache() {
+  if (keyed_lookup_cache()->IsUndefined()) {
+    Object* obj = LookupCache::Allocate(4);
+    if (obj->IsFailure()) return obj;
+    keyed_lookup_cache_ = obj;
+  }

[bak, 2008/10/23 06:08:11]

Use keyed_lookup_cache() instead of keyed_lookup_cache_.

+  return keyed_lookup_cache_;
+}
+
+
+void Heap::SetKeyedLookupCache(LookupCache* cache) {
+  keyed_lookup_cache_ = cache;
+}
+
+
+void Heap::ClearKeyedLookupCache() {
+  keyed_lookup_cache_ = undefined_value();
+}
+
+
 #define GC_GREEDY_CHECK() \
   ASSERT(!FLAG_gc_greedy || v8::internal::Heap::GarbageCollectionGreedyCheck())