[kernel] Position on switch expression

pkg/analyzer/lib/src/fasta/ast_builder.dart

 // Copyright (c) 2016, 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 fasta.analyzer.ast_builder;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast_factory.dart' show AstFactory;
 import 'package:analyzer/dart/ast/standard_ast_factory.dart' as standard;
 import 'package:analyzer/dart/ast/token.dart' show Token, TokenType;
@@ skipping 899 matching lines @@
         rightDelimiter = raw.rightDelimiter;
       } else {
         parameters.add(raw as FormalParameter);
       }
     }
     push(ast.formalParameterList(
         beginToken, parameters, leftDelimiter, rightDelimiter, endToken));
   }
 
   @override
-  void endSwitchBlock(int caseCount, Token leftBracket, Token rightBracket) {
+  void endSwitchBlock(int caseCount, Token leftBracket, Token rightBracket,
+      Token switchKeyword) {
     debugEvent("SwitchBlock");
     List<List<SwitchMember>> membersList = popList(caseCount);
     exitBreakTarget();
     exitLocalScope();
     List<SwitchMember> members =
         membersList?.expand((members) => members)?.toList() ?? <SwitchMember>[];
     push(leftBracket);
     push(members);
     push(rightBracket);
   }
@@ skipping 1113 matching lines @@
       } else if (identical('var', s)) {
         finalConstOrVarKeyword = token;
       } else if (identical('covariant', s)) {
         covariantKeyword = token;
       } else {
         unhandled("$s", "modifier", token.charOffset, null);
       }
     }
   }
 }