Handle escapes in string literals.

frog/leg/scanner/parser.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.
 
 /**
  * An event generating parser of Dart programs. This parser expects
  * all tokens in a linked list.
  */
 class Parser {
   final Listener listener;
@@ skipping 214 matching lines @@
         token = parseType(token.next);
         ++interfacesCount;
       } while (optional(',', token));
     }
     token = parseClassBody(token);
     listener.endClassDeclaration(interfacesCount, begin, extendsKeyword,
                                  implementsKeyword, token);
     return token.next;
   }
 
+
   Token parseString(Token token) {
     if (token.kind === STRING_TOKEN) {
       listener.handleLiteralString(token);
       return token.next;
     } else {
       return listener.expected('string', token);
     }
   }
 
   Token parseIdentifier(Token token) {
@@ skipping 1308 matching lines @@
     }
     listener.handleContinueStatement(hasTarget, continueKeyword, token);
     return expectSemicolon(token);
   }
 
   Token parseEmptyStatement(Token token) {
     listener.handleEmptyStatement(token);
     return expectSemicolon(token);
   }
 }