Refactor allocation policies.

src/ast.cc

Index: src/ast.cc
diff --git a/src/ast.cc b/src/ast.cc
index 8b6cdcee9feb3fdd623fcc9f45f7f3e3f39afe96..16686af3b8fa8af41eb7dd58815bf4932a82efb5 100644
--- a/src/ast.cc
+++ b/src/ast.cc
@@ -661,7 +661,7 @@ void Property::RecordTypeFeedback(TypeFeedbackOracle* oracle) {
   } else if (is_monomorphic_) {
     monomorphic_receiver_type_ = oracle->LoadMonomorphicReceiverType(this);
   } else if (oracle->LoadIsMegamorphicWithTypeInfo(this)) {
-    receiver_types_ = new ZoneMapList(kMaxKeyedPolymorphism);
+    receiver_types_ = ZoneMapList::New(ZONE, kMaxKeyedPolymorphism);
     oracle->CollectKeyedReceiverTypes(this->id(), receiver_types_);
   }
 }
@@ -681,7 +681,7 @@ void Assignment::RecordTypeFeedback(TypeFeedbackOracle* oracle) {
     // Record receiver type for monomorphic keyed stores.
     monomorphic_receiver_type_ = oracle->StoreMonomorphicReceiverType(this);
   } else if (oracle->StoreIsMegamorphicWithTypeInfo(this)) {
-    receiver_types_ = new ZoneMapList(kMaxKeyedPolymorphism);
+    receiver_types_ = ZoneMapList::New(ZONE, kMaxKeyedPolymorphism);
     oracle->CollectKeyedReceiverTypes(this->id(), receiver_types_);
   }
 }
@@ -693,7 +693,7 @@ void CountOperation::RecordTypeFeedback(TypeFeedbackOracle* oracle) {
     // Record receiver type for monomorphic keyed stores.
     monomorphic_receiver_type_ = oracle->StoreMonomorphicReceiverType(this);
   } else if (oracle->StoreIsMegamorphicWithTypeInfo(this)) {
-    receiver_types_ = new ZoneMapList(kMaxKeyedPolymorphism);
+    receiver_types_ = ZoneMapList::New(ZONE, kMaxKeyedPolymorphism);
     oracle->CollectKeyedReceiverTypes(this->id(), receiver_types_);
   }
 }
@@ -994,7 +994,7 @@ bool RegExpCapture::IsAnchoredAtEnd() {
 // output formats are alike.
 class RegExpUnparser: public RegExpVisitor {
  public:
-  RegExpUnparser();
+  explicit RegExpUnparser(Zone* zone);
   void VisitCharacterRange(CharacterRange that);
   SmartPointer<const char> ToString() { return stream_.ToCString(); }
 #define MAKE_CASE(Name) virtual void* Visit##Name(RegExp##Name*, void* data);
@@ -1002,12 +1002,13 @@ class RegExpUnparser: public RegExpVisitor {
 #undef MAKE_CASE
  private:
   StringStream* stream() { return &stream_; }
+  Zone* zone_;
   HeapStringAllocator alloc_;
   StringStream stream_;
 };
 
 
-RegExpUnparser::RegExpUnparser() : stream_(&alloc_) {
+RegExpUnparser::RegExpUnparser(Zone* zone) : zone_(zone), stream_(&alloc_) {
 }
 
 
@@ -1047,9 +1048,9 @@ void* RegExpUnparser::VisitCharacterClass(RegExpCharacterClass* that,
   if (that->is_negated())
     stream()->Add("^");
   stream()->Add("[");
-  for (int i = 0; i < that->ranges()->length(); i++) {
+  for (int i = 0; i < that->ranges(zone_)->length(); i++) {
     if (i > 0) stream()->Add(" ");
-    VisitCharacterRange(that->ranges()->at(i));
+    VisitCharacterRange(that->ranges(zone_)->at(i));
   }
   stream()->Add("]");
   return NULL;
@@ -1152,7 +1153,7 @@ void* RegExpUnparser::VisitEmpty(RegExpEmpty* that, void* data) {
 
 
 SmartPointer<const char> RegExpTree::ToString() {
-  RegExpUnparser unparser;
+  RegExpUnparser unparser(ZONE);
   Accept(&unparser, NULL);
   return unparser.ToString();
 }