Issue - 7123

vm/raw_object_snapshot.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/bigint_operations.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/snapshot.h"
 #include "vm/symbols.h"
 #include "vm/visitor.h"
@@ skipping 1584 matching lines @@
 }
 
 
 void RawString::WriteTo(SnapshotWriter* writer,
                         intptr_t object_id,
                         Snapshot::Kind kind) {
   UNREACHABLE();  // String is an abstract class.
 }
 
 
-template<typename StringType, typename CharacterType>
+template<typename StringType, typename CharacterType, typename CallbackType>
 void String::ReadFromImpl(SnapshotReader* reader,
                           String* str_obj,
                           intptr_t len,
                           intptr_t tags,
+                          CallbackType new_symbol,
                           Snapshot::Kind kind) {
   ASSERT(reader != NULL);
   if (RawObject::IsCanonical(tags)) {
     // Set up canonical string object.
     ASSERT(reader != NULL);
     CharacterType* ptr =
         Isolate::Current()->current_zone()->Alloc<CharacterType>(len);
     for (intptr_t i = 0; i < len; i++) {
       ptr[i] = reader->Read<CharacterType>();
     }
-    *str_obj ^= Symbols::NewSymbol(ptr, len);
+    *str_obj ^= (*new_symbol)(ptr, len);
   } else {
     // Set up the string object.
     *str_obj = StringType::New(len, HEAP_SPACE(kind));
     str_obj->set_tags(tags);
     str_obj->SetHash(0);  // Will get computed when needed.
     for (intptr_t i = 0; i < len; i++) {
       *StringType::CharAddr(*str_obj, i) = reader->Read<CharacterType>();
     }
   }
 }
@@ skipping 15 matching lines @@
     str_obj = obj;
     str_obj.set_tags(tags);
     obj->ptr()->hash_ = Smi::New(hash);
     if (len > 0) {
       uint8_t* raw_ptr = CharAddr(str_obj, 0);
       reader->ReadBytes(raw_ptr, len);
     }
     ASSERT((hash == 0) || (String::Hash(str_obj, 0, str_obj.Length()) == hash));
   } else {
     String::ReadFromImpl<OneByteString, uint8_t>(
-        reader, &str_obj, len, tags, kind);
+        reader, &str_obj, len, tags, Symbols::FromLatin1, kind);
   }
   reader->AddBackRef(object_id, &str_obj, kIsDeserialized);
   return raw(str_obj);
 }
 
 
 RawTwoByteString* TwoByteString::ReadFrom(SnapshotReader* reader,
                                           intptr_t object_id,
                                           intptr_t tags,
                                           Snapshot::Kind kind) {
@@ skipping 10 matching lines @@
     obj->ptr()->hash_ = Smi::New(hash);
     uint16_t* raw_ptr = (len > 0)? CharAddr(str_obj, 0) : NULL;
     for (intptr_t i = 0; i < len; i++) {
       ASSERT(CharAddr(str_obj, i) == raw_ptr);  // Will trigger assertions.
       *raw_ptr = reader->Read<uint16_t>();
       raw_ptr += 1;
     }
     ASSERT(String::Hash(str_obj, 0, str_obj.Length()) == hash);
   } else {
     String::ReadFromImpl<TwoByteString, uint16_t>(
-        reader, &str_obj, len, tags, kind);
+        reader, &str_obj, len, tags, Symbols::FromUTF16, kind);
   }
   reader->AddBackRef(object_id, &str_obj, kIsDeserialized);
   return raw(str_obj);
 }
 
 
 template<typename T>
 static void StringWriteTo(SnapshotWriter* writer,
                           intptr_t object_id,
                           Snapshot::Kind kind,
@@ skipping 512 matching lines @@
   // Write out the class and tags information.
   writer->WriteIndexedObject(kWeakPropertyCid);
   writer->WriteIntptrValue(writer->GetObjectTags(this));
 
   // Write out all the other fields.
   writer->Write<RawObject*>(ptr()->key_);
   writer->Write<RawObject*>(ptr()->value_);
 }
 
 }  // namespace dart