Handlify number-related allocators.

src/heap.h

 // Copyright 2012 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 749 matching lines @@
   // Please note this function does not perform a garbage collection.
   MUST_USE_RESULT MaybeObject* AllocateMap(
       InstanceType instance_type,
       int instance_size,
       ElementsKind elements_kind = TERMINAL_FAST_ELEMENTS_KIND);
 
   // Allocates a partial map for bootstrapping.
   MUST_USE_RESULT MaybeObject* AllocatePartialMap(InstanceType instance_type,
                                                   int instance_size);
 
-  // Allocates an empty code cache.
-  MUST_USE_RESULT MaybeObject* AllocateCodeCache();
-
   // Allocates an empty PolymorphicCodeCache.
   MUST_USE_RESULT MaybeObject* AllocatePolymorphicCodeCache();
 
   // Clear the Instanceof cache (used when a prototype changes).
   inline void ClearInstanceofCache();
 
   // Iterates the whole code space to clear all ICs of the given kind.
   void ClearAllICsByKind(Code::Kind kind);
 
   // For use during bootup.
@@ skipping 204 matching lines @@
   // callee is only valid in sloppy mode.
   static const int kArgumentsCalleeIndex = 1;
 
   // Allocates an arguments object - optionally with an elements array.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this does not perform a garbage collection.
   MUST_USE_RESULT MaybeObject* AllocateArgumentsObject(
       Object* callee, int length);
 
-  // Same as NewNumberFromDouble, but may return a preallocated/immutable
-  // number object (e.g., minus_zero_value_, nan_value_)
-  MUST_USE_RESULT MaybeObject* NumberFromDouble(
-      double value, PretenureFlag pretenure = NOT_TENURED);
-
   // Allocated a HeapNumber from value.
   MUST_USE_RESULT MaybeObject* AllocateHeapNumber(
       double value, PretenureFlag pretenure = NOT_TENURED);
 
   // Converts an int into either a Smi or a HeapNumber object.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this does not perform a garbage collection.
-  MUST_USE_RESULT inline MaybeObject* NumberFromInt32(
-      int32_t value, PretenureFlag pretenure = NOT_TENURED);
-
-  // Converts an int into either a Smi or a HeapNumber object.
-  // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
-  // failed.
-  // Please note this does not perform a garbage collection.
   MUST_USE_RESULT inline MaybeObject* NumberFromUint32(
       uint32_t value, PretenureFlag pretenure = NOT_TENURED);
 
   // Allocates a new foreign object.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this does not perform a garbage collection.
   MUST_USE_RESULT MaybeObject* AllocateForeign(
       Address address, PretenureFlag pretenure = NOT_TENURED);
 
@@ skipping 373 matching lines @@
   // Support for partial snapshots.  After calling this we have a linear
   // space to write objects in each space.
   void ReserveSpace(int *sizes, Address* addresses);
 
   //
   // Support for the API.
   //
 
   bool CreateApiObjects();
 
-  // Attempt to find the number in a small cache.  If we finds it, return
-  // the string representation of the number.  Otherwise return undefined.
-  Object* GetNumberStringCache(Object* number);
-
-  // Update the cache with a new number-string pair.
-  void SetNumberStringCache(Object* number, String* str);
-
   // Adjusts the amount of registered external memory.
   // Returns the adjusted value.
   inline int64_t AdjustAmountOfExternalAllocatedMemory(
       int64_t change_in_bytes);
 
   // This is only needed for testing high promotion mode.
   void SetNewSpaceHighPromotionModeActive(bool mode) {
     new_space_high_promotion_mode_active_ = mode;
   }
 
@@ skipping 76 matching lines @@
   STATIC_CHECK(kTrueValueRootIndex == Internals::kTrueValueRootIndex);
   STATIC_CHECK(kFalseValueRootIndex == Internals::kFalseValueRootIndex);
   STATIC_CHECK(kempty_stringRootIndex == Internals::kEmptyStringRootIndex);
 
   // Generated code can embed direct references to non-writable roots if
   // they are in new space.
   static bool RootCanBeWrittenAfterInitialization(RootListIndex root_index);
   // Generated code can treat direct references to this root as constant.
   bool RootCanBeTreatedAsConstant(RootListIndex root_index);
 
-  MUST_USE_RESULT MaybeObject* NumberToString(
-      Object* number, bool check_number_string_cache = true);
-  MUST_USE_RESULT MaybeObject* Uint32ToString(
-      uint32_t value, bool check_number_string_cache = true);
-
   Map* MapForFixedTypedArray(ExternalArrayType array_type);
   RootListIndex RootIndexForFixedTypedArray(
       ExternalArrayType array_type);
 
   Map* MapForExternalArrayType(ExternalArrayType array_type);
   RootListIndex RootIndexForExternalArrayType(
       ExternalArrayType array_type);
 
   RootListIndex RootIndexForEmptyExternalArray(ElementsKind kind);
   RootListIndex RootIndexForEmptyFixedTypedArray(ElementsKind kind);
@@ skipping 624 matching lines @@
   static void ScavengeObjectSlow(HeapObject** p, HeapObject* object);
 
   // Total RegExp code ever generated
   double total_regexp_code_generated_;
 
   GCTracer* tracer_;
 
   // Allocates a small number to string cache.
   MUST_USE_RESULT MaybeObject* AllocateInitialNumberStringCache();
   // Creates and installs the full-sized number string cache.
-  void AllocateFullSizeNumberStringCache();
-  // Get the length of the number to string cache based on the max semispace
-  // size.
   int FullSizeNumberStringCacheLength();
   // Flush the number to string cache.
   void FlushNumberStringCache();
 
   // Allocates a fixed-size allocation sites scratchpad.
   MUST_USE_RESULT MaybeObject* AllocateAllocationSitesScratchpad();
 
   // Sets used allocation sites entries to undefined.
   void FlushAllocationSitesScratchpad();
 
@@ skipping 805 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_