Remove deprecated StringBuffer.add, addAll and addCharCode.

pkg/yaml/lib/parser.dart

 // 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.
 
 part of yaml;
 
 /// Translates a string of characters into a YAML serialization tree.
 ///
 /// This parser is designed to closely follow the spec. All productions in the
 /// spec are numbered, and the corresponding methods in the parser have the same
@@ skipping 329 matching lines @@
   captureAndTransform(consumer(), String transformation(String captured)) {
     if (capturedString == null) return consumer();
     if (capturingAs) return consumer();
 
     flushCapture();
     capturingAs = true;
     var res = consumer();
     capturingAs = false;
     if (!truth(res)) return res;
 
-    capturedString.add(transformation(s.substring(captureStart, pos)));
+    capturedString.write(transformation(s.substring(captureStart, pos)));
     captureStart = pos;
     return res;
   }
 
   void flushCapture() {
-    capturedString.add(s.substring(captureStart, pos));
+    capturedString.write(s.substring(captureStart, pos));
     captureStart = pos;
   }
 
   /// Adds a tag and an anchor to [node], if they're defined.
   _Node addProps(_Node node, _Pair<_Tag, String> props) {
     if (props == null || node == null) return node;
     if (truth(props.first)) node.tag = props.first;
     if (truth(props.last)) node.anchor = props.last;
     return node;
   }
@@ skipping 1563 matching lines @@
       var pair = contents[i];
       if (pair.first.contains(pos)) return pair.last;
     }
     return null;
   }
 
   /// Associates [value] with [range].
   operator[]=(_Range range, E value) =>
     contents.add(new _Pair<_Range, E>(range, value));
 }