Scanner for UTF-8 byte arrays

sdk/lib/_internal/compiler/implementation/mirror_renamer/renamer.dart

 // Copyright (c) 2013, 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.
 
 part of mirror_renamer;
 
 class MirrorRenamer {
   static const String MIRROR_HELPER_GET_NAME_FUNCTION = 'helperGetName';
   static const String MIRROR_HELPER_LIBRARY_NAME = '_mirror_helper';
   static const String MIRROR_HELPER_SYMBOLS_MAP_NAME = '_SYMBOLS';
@@ skipping 69 matching lines @@
       if (!first) {
         sb.write(',');
       } else {
         first = false;
       }
       sb.write("'$mangledName' : '");
       sb.write(symbols[mangledName]);
       sb.write("'");
     }
     sb.write('};');
+    sb.writeCharCode(0); // Terminate the string with '0', see [StringScanner].
     topLevelNodes.add(parse(sb.toString()));
 
     // Replace calls to Mirrorsystem.getName with calls to helper function.
     mirrorSystemGetNameNodes.forEach((node) {
       renames[node.selector] = renames[mirrorHelperGetNameFunctionNode.name];
       renames[node.receiver] = '';
     });
   }
 }