Handlify number-related allocators.

src/factory.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_FACTORY_H_
 #define V8_FACTORY_H_
 
 #include "isolate.h"
 
 namespace v8 {
@@ skipping 264 matching lines @@
                                         int new_length,
                                         PretenureFlag pretenure = NOT_TENURED);
 
   Handle<FixedDoubleArray> CopyFixedDoubleArray(
       Handle<FixedDoubleArray> array);
 
   Handle<ConstantPoolArray> CopyConstantPoolArray(
       Handle<ConstantPoolArray> array);
 
   // Numbers (e.g. literals) are pretenured by the parser.
+  // The return value may be a smi or a heap number.
   Handle<Object> NewNumber(double value,
                            PretenureFlag pretenure = NOT_TENURED);
 
   Handle<Object> NewNumberFromInt(int32_t value,
                                   PretenureFlag pretenure = NOT_TENURED);
   Handle<Object> NewNumberFromUint(uint32_t value,
                                   PretenureFlag pretenure = NOT_TENURED);
   Handle<Object> NewNumberFromSize(size_t value,
                                    PretenureFlag pretenure = NOT_TENURED) {
     if (Smi::IsValid(static_cast<intptr_t>(value))) {
@@ skipping 195 matching lines @@
   Handle<Object> NewReferenceError(const char* message,
                                    Vector< Handle<Object> > args);
   Handle<Object> NewReferenceError(const char* message, Handle<JSArray> args);
   Handle<Object> NewReferenceError(Handle<String> message);
 
   Handle<Object> NewEvalError(const char* message,
                               Vector< Handle<Object> > args);
 
   Handle<String> NumberToString(Handle<Object> number,
                                 bool check_number_string_cache = true);
-  Handle<String> Uint32ToString(uint32_t value);
+
+  Handle<String> Uint32ToString(uint32_t value) {
+    return NumberToString(NewNumberFromUint(value));
+  }
 
   enum ApiInstanceType {
     JavaScriptObject,
     InnerGlobalObject,
     OuterGlobalObject
   };
 
   Handle<JSFunction> CreateApiFunction(
       Handle<FunctionTemplateInfo> data,
       ApiInstanceType type = JavaScriptObject);
@@ skipping 122 matching lines @@
       Handle<Object> prototype,
       PretenureFlag pretenure = TENURED);
 
   // Create a new map cache.
   Handle<MapCache> NewMapCache(int at_least_space_for);
 
   // Update the map cache in the native context with (keys, map)
   Handle<MapCache> AddToMapCache(Handle<Context> context,
                                  Handle<FixedArray> keys,
                                  Handle<Map> map);
+
+  // Attempt to find the number in a small cache.  If we finds it, return
+  // the string representation of the number.  Otherwise return undefined.
+  Handle<Object> GetNumberStringCache(Handle<Object> number);
+
+  // Update the cache with a new number-string pair.
+  void SetNumberStringCache(Handle<Object> number, Handle<String> string);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_