ZoneVector overload of Factory::NewStringFromTwoByte

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 "src/factory.h"
 
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/conversions.h"
@@ skipping 274 matching lines @@
   uint16_t* data = result->GetChars();
   const char* ascii_data = string.start();
   for (int i = 0; i < non_ascii_start; i++) {
     *data++ = *ascii_data++;
   }
   // Now write the remainder.
   decoder->WriteUtf16(data, utf16_length);
   return result;
 }
 
-
-MaybeHandle<String> Factory::NewStringFromTwoByte(Vector<const uc16> string,
+MaybeHandle<String> Factory::NewStringFromTwoByte(const uc16* string,
+                                                  int length,
                                                   PretenureFlag pretenure) {
-  int length = string.length();
-  const uc16* start = string.start();
-  if (String::IsOneByte(start, length)) {
+  if (String::IsOneByte(string, length)) {
     if (length == 1) return LookupSingleCharacterStringFromCode(string[0]);
     Handle<SeqOneByteString> result;
     ASSIGN_RETURN_ON_EXCEPTION(
         isolate(),
         result,
         NewRawOneByteString(length, pretenure),
         String);
-    CopyChars(result->GetChars(), start, length);
+    CopyChars(result->GetChars(), string, length);
     return result;
   } else {
     Handle<SeqTwoByteString> result;
     ASSIGN_RETURN_ON_EXCEPTION(
         isolate(),
         result,
         NewRawTwoByteString(length, pretenure),
         String);
-    CopyChars(result->GetChars(), start, length);
+    CopyChars(result->GetChars(), string, length);
     return result;
   }
 }
 
+MaybeHandle<String> Factory::NewStringFromTwoByte(Vector<const uc16> string,
+                                                  PretenureFlag pretenure) {
+  return NewStringFromTwoByte(string.start(), string.length(), pretenure);
+}
+
+MaybeHandle<String> Factory::NewStringFromTwoByte(
+    const ZoneVector<uc16>* string, PretenureFlag pretenure) {
+  return NewStringFromTwoByte(string->data(), static_cast<int>(string->size()),
+                              pretenure);
+}
 
 Handle<String> Factory::NewInternalizedStringFromUtf8(Vector<const char> str,
                                                       int chars,
                                                       uint32_t hash_field) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateInternalizedStringFromUtf8(
           str, chars, hash_field),
       String);
 }
@@ skipping 2063 matching lines @@
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 }  // namespace internal
 }  // namespace v8