Handlify LookupSingleCharacterStringFromCode.

src/factory.cc

 // 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.
 
 #include "factory.h"
 
 #include "isolate-inl.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 269 matching lines @@
 
 MaybeHandle<SeqTwoByteString> Factory::NewRawTwoByteString(
     int length, PretenureFlag pretenure) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateRawTwoByteString(length, pretenure),
       SeqTwoByteString);
 }
 
 
+Handle<String> Factory::LookupSingleCharacterStringFromCode(uint32_t index) {
+  CALL_HEAP_FUNCTION(
+      isolate(),
+      isolate()->heap()->LookupSingleCharacterStringFromCode(index),
+      String);
+}
+
+
 // Returns true for a character in a range.  Both limits are inclusive.
 static inline bool Between(uint32_t character, uint32_t from, uint32_t to) {
   // This makes uses of the the unsigned wraparound.
   return character - from <= to - from;
 }
 
 
 static inline Handle<String> MakeOrFindTwoCharacterString(Isolate* isolate,
                                                           uint16_t c1,
                                                           uint16_t c2) {
@@ skipping 162 matching lines @@
                                            int begin,
                                            int end) {
 #if VERIFY_HEAP
   if (FLAG_verify_heap) str->StringVerify();
 #endif
   ASSERT(begin > 0 || end < str->length());
 
   int length = end - begin;
   if (length <= 0) return empty_string();
   if (length == 1) {
-    return LookupSingleCharacterStringFromCode(isolate(), str->Get(begin));
+    return LookupSingleCharacterStringFromCode(str->Get(begin));
   }
   if (length == 2) {
     // Optimization for 2-byte strings often used as keys in a decompression
     // dictionary.  Check whether we already have the string in the string
     // table to prevent creation of many unnecessary strings.
     uint16_t c1 = str->Get(begin);
     uint16_t c2 = str->Get(begin + 1);
     return MakeOrFindTwoCharacterString(isolate(), c1, c2);
   }
 
@@ skipping 1496 matching lines @@
   if (name->Equals(h->infinity_string())) return infinity_value();
   return Handle<Object>::null();
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 } }  // namespace v8::internal