more fasta event cleanup and testing

pkg/compiler/lib/src/parser/node_listener.dart

 // Copyright (c) 2015, 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 dart2js.parser.node_listener;
 
 import 'package:front_end/src/fasta/parser/parser.dart'
     show FormalParameterType, MemberKind;
 import 'package:front_end/src/fasta/parser/identifier_context.dart'
     show IdentifierContext;
@@ skipping 848 matching lines @@
     Link<Node> caseNodes = const Link<Node>();
     while (caseCount > 0) {
       SwitchCase switchCase = popNode();
       caseNodes = caseNodes.prepend(switchCase);
       caseCount--;
     }
     pushNode(new NodeList(beginToken, caseNodes, endToken, null));
   }
 
   @override
-  void handleSwitchCase(int labelCount, int caseCount, Token defaultKeyword,
+  void endSwitchCase(int labelCount, int caseCount, Token defaultKeyword,
       int statementCount, Token firstToken, Token endToken) {
     NodeList statements = makeNodeList(statementCount, null, null, null);
     NodeList labelsAndCases =
         makeNodeList(labelCount + caseCount, null, null, null);
     pushNode(
         new SwitchCase(labelsAndCases, defaultKeyword, statements, firstToken));
   }
 
   @override
   void handleBreakStatement(
@@ skipping 188 matching lines @@
     }
     lastErrorWasNativeFunctionBody = false;
   }
 
   void internalError({Token token, Node node}) {
     // TODO(ahe): This should call reporter.internalError.
     Spannable spannable = (token == null) ? node : token;
     throw new SpannableAssertionFailure(spannable, 'Internal error in parser.');
   }
 }