Handlify KeyedIC::ComputeStub.

src/ic.h

 // 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 333 matching lines @@
   enum StubKind {
     LOAD,
     STORE_NO_TRANSITION,
     STORE_TRANSITION_SMI_TO_OBJECT,
     STORE_TRANSITION_SMI_TO_DOUBLE,
     STORE_TRANSITION_DOUBLE_TO_OBJECT
   };
   explicit KeyedIC(Isolate* isolate) : IC(NO_EXTRA_FRAME, isolate) {}
   virtual ~KeyedIC() {}
 
-  virtual MaybeObject* GetElementStubWithoutMapCheck(
+  virtual Handle<Code> GetElementStubWithoutMapCheck(
       bool is_js_array,
       ElementsKind elements_kind) = 0;
 
  protected:
   virtual Handle<Code> string_stub() {
     return Handle<Code>::null();
   }
 
   virtual Code::Kind kind() const = 0;
 
   Handle<Code> ComputeStub(Handle<JSObject> receiver,
                            StubKind stub_kind,
                            StrictModeFlag strict_mode,
                            Handle<Code> default_stub);
 
-  MaybeObject* ComputeStub(JSObject* receiver,
-                           StubKind stub_kind,
-                           StrictModeFlag strict_mode,
-                           Code* default_stub);
-
-  virtual MaybeObject* ComputePolymorphicStub(MapList* receiver_maps,
+  virtual Handle<Code> ComputePolymorphicStub(MapHandleList* receiver_maps,
                                               StrictModeFlag strict_mode) = 0;
 
-  MaybeObject* ComputeMonomorphicStubWithoutMapCheck(
-      Map* receiver_map,
+  Handle<Code> ComputeMonomorphicStubWithoutMapCheck(
+      Handle<Map> receiver_map,
       StrictModeFlag strict_mode);
 
  private:
-  void GetReceiverMapsForStub(Code* stub, MapList* result);
+  void GetReceiverMapsForStub(Handle<Code> stub, MapHandleList* result);
 
-  MaybeObject* ComputeMonomorphicStub(JSObject* receiver,
+  Handle<Code> ComputeMonomorphicStub(Handle<JSObject> receiver,
                                       StubKind stub_kind,
                                       StrictModeFlag strict_mode,
-                                      Code* default_stub);
+                                      Handle<Code> default_stub);
 
-  MaybeObject* ComputeTransitionedMap(JSObject* receiver, StubKind stub_kind);
+  Handle<Map> ComputeTransitionedMap(Handle<JSObject> receiver,
+                                     StubKind stub_kind);
 
   static bool IsTransitionStubKind(StubKind stub_kind) {
     return stub_kind > STORE_NO_TRANSITION;
   }
 };
 
 
 class KeyedLoadIC: public KeyedIC {
  public:
   explicit KeyedLoadIC(Isolate* isolate) : KeyedIC(isolate) {
@@ skipping 19 matching lines @@
   static void GenerateIndexedInterceptor(MacroAssembler* masm);
   static void GenerateNonStrictArguments(MacroAssembler* masm);
 
   // Bit mask to be tested against bit field for the cases when
   // generic stub should go into slow case.
   // Access check is necessary explicitly since generic stub does not perform
   // map checks.
   static const int kSlowCaseBitFieldMask =
       (1 << Map::kIsAccessCheckNeeded) | (1 << Map::kHasIndexedInterceptor);
 
-  virtual MaybeObject* GetElementStubWithoutMapCheck(
+  virtual Handle<Code> GetElementStubWithoutMapCheck(
       bool is_js_array,
       ElementsKind elements_kind);
 
  protected:
   virtual Code::Kind kind() const { return Code::KEYED_LOAD_IC; }
 
-  virtual MaybeObject* ComputePolymorphicStub(
-      MapList* receiver_maps,
-      StrictModeFlag strict_mode);
+  virtual Handle<Code> ComputePolymorphicStub(MapHandleList* receiver_maps,
+                                              StrictModeFlag strict_mode);
 
   virtual Handle<Code> string_stub() {
     return isolate()->builtins()->KeyedLoadIC_String();
   }
 
  private:
   // Update the inline cache.
   void UpdateCaches(LookupResult* lookup,
                     State state,
                     Handle<Object> object,
@@ skipping 114 matching lines @@
   }
   static void GenerateMiss(MacroAssembler* masm, bool force_generic);
   static void GenerateSlow(MacroAssembler* masm);
   static void GenerateRuntimeSetProperty(MacroAssembler* masm,
                                          StrictModeFlag strict_mode);
   static void GenerateGeneric(MacroAssembler* masm, StrictModeFlag strict_mode);
   static void GenerateNonStrictArguments(MacroAssembler* masm);
   static void GenerateTransitionElementsSmiToDouble(MacroAssembler* masm);
   static void GenerateTransitionElementsDoubleToObject(MacroAssembler* masm);
 
-  virtual MaybeObject* GetElementStubWithoutMapCheck(
+  virtual Handle<Code> GetElementStubWithoutMapCheck(
       bool is_js_array,
       ElementsKind elements_kind);
 
  protected:
   virtual Code::Kind kind() const { return Code::KEYED_STORE_IC; }
 
-  virtual MaybeObject* ComputePolymorphicStub(
-      MapList* receiver_maps,
-      StrictModeFlag strict_mode);
+  virtual Handle<Code> ComputePolymorphicStub(MapHandleList* receiver_maps,
+                                              StrictModeFlag strict_mode);
 
   private:
   // Update the inline cache.
   void UpdateCaches(LookupResult* lookup,
                     State state,
                     StrictModeFlag strict_mode,
                     Handle<JSObject> receiver,
                     Handle<String> name,
                     Handle<Object> value);
 
@@ skipping 136 matching lines @@
   void patch(Code* code);
 };
 
 
 // Helper for BinaryOpIC and CompareIC.
 void PatchInlinedSmiCode(Address address);
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_