Generalized the EvalCache into a CompilationCache and enabled...

src/heap.cc

Index: src/heap.cc
===================================================================
--- src/heap.cc	(revision 268)
+++ src/heap.cc	(working copy)
@@ -31,6 +31,7 @@
 #include "api.h"
 #include "bootstrapper.h"
 #include "codegen-inl.h"
+#include "compilation-cache.h"
 #include "debug.h"
 #include "global-handles.h"
 #include "jsregexp.h"
@@ -447,10 +448,7 @@
 
 
 void Heap::MarkCompactPrologue() {
-  // Empty eval caches
-  Heap::eval_cache_global_ = Heap::null_value();
-  Heap::eval_cache_non_global_ = Heap::null_value();
-
+  CompilationCache::MarkCompactPrologue();
   RegExpImpl::OldSpaceCollectionPrologue();
   Top::MarkCompactPrologue();
   ThreadManager::MarkCompactPrologue();
@@ -1208,9 +1206,8 @@
   if (obj->IsFailure()) return false;
   natives_source_cache_ = FixedArray::cast(obj);
 
-  // Initialized eval cache to null value.
-  eval_cache_global_ = null_value();
-  eval_cache_non_global_ = null_value();
+  // Initialize compilation cache.
+  CompilationCache::Clear();
 
   return true;
 }
@@ -2279,34 +2276,6 @@
 }
 
 
-Object* Heap::LookupEvalCache(bool is_global_context, String* src) {
-  Object* cache = is_global_context ?
-      eval_cache_global_ : eval_cache_non_global_;
-  return cache == null_value() ?
-      null_value() : EvalCache::cast(cache)->Lookup(src);
-}
-
-
-Object* Heap::PutInEvalCache(bool is_global_context, String* src,
-                             JSFunction* value) {
-  Object** cache_ptr = is_global_context ?
-      &eval_cache_global_ : &eval_cache_non_global_;
-
-  if (*cache_ptr == null_value()) {
-    Object* obj = EvalCache::Allocate(kInitialEvalCacheSize);
-    if (obj->IsFailure()) return false;
-    *cache_ptr = obj;
-  }
-
-  Object* new_cache =
-      EvalCache::cast(*cache_ptr)->Put(src, value);
-  if (new_cache->IsFailure()) return new_cache;
-  *cache_ptr = new_cache;
-
-  return value;
-}
-
-
 #ifdef DEBUG
 void Heap::ZapFromSpace() {
   ASSERT(HAS_HEAP_OBJECT_TAG(kFromSpaceZapValue));
@@ -2417,6 +2386,8 @@
   SYNCHRONIZE_TAG("top");
   Debug::Iterate(v);
   SYNCHRONIZE_TAG("debug");
+  CompilationCache::Iterate(v);
+  SYNCHRONIZE_TAG("compilationcache");
 
   // Iterate over local handles in handle scopes.
   HandleScopeImplementer::Iterate(v);