Add multibyte string support to debugger

lib/json/json.dart

 // Copyright (c) 2011, 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.
 
 #library("json");
 
 // Pure Dart implementation of JSON protocol.
 
 /**
  * Utility class to parse JSON and serialize objects to JSON.
@@ skipping 62 matching lines @@
   static final int CHAR_2 = 50;
   static final int CHAR_3 = 51;
   static final int CHAR_4 = 52;
   static final int CHAR_5 = 53;
   static final int CHAR_6 = 54;
   static final int CHAR_7 = 55;
   static final int CHAR_8 = 56;
   static final int CHAR_9 = 57;
   static final int COLON = 58;
   static final int CHAR_CAPITAL_E = 69;
+  static final int CHAR_CAPITAL_U = 85;
   static final int LBRACKET = 91;
   static final int BACKSLASH = 92;
   static final int RBRACKET = 93;
   static final int CHAR_B = 98;
   static final int CHAR_E = 101;
   static final int CHAR_F = 102;
   static final int CHAR_N = 110;
   static final int CHAR_R = 114;
   static final int CHAR_T = 116;
   static final int CHAR_U = 117;
@@ skipping 195 matching lines @@
               _error('Invalid unicode esacape sequence');
             }
             final codeString = json.substring(position + 1, position + 5);
             try {
               c = Math.parseInt('0x${codeString}');
             } catch (var e) {
               _error('Invalid unicode esacape sequence');
             }
             position += 4;
             break;
+          case CHAR_CAPITAL_U:
+            // Non-standard 32 bit characters of format \UHHHHHHHH.

[siva, 2012/07/18 17:11:31]

What do you mean by non-standard here? not part of standard JSON?

[hausner, 2012/07/18 22:20:36]

I reverted the changes in this file, they are no longer needed.

+            if (position + 9 > length) {
+              _error('Invalid unicode esacape sequence');
+            }
+            final codeString = json.substring(position + 1, position + 9);
+            try {
+              c = Math.parseInt('0x${codeString}');
+            } catch (var e) {
+              _error('Invalid unicode esacape sequence');
+            }
+            position += 8;
+            break;
           default:
             _error('Invalid esacape sequence in string literal');
         }
       }
       charCodes.add(c);
       position++;
     }
 
     return new String.fromCharCodes(charCodes);
   }
@@ skipping 238 matching lines @@
         first = false;
       });
       _sb.add('}');
       _seen.removeLast();
       return;
     } else {
       throw const JsonUnsupportedObjectType();
     }
   }
 }