Fix for issue 19100 - better recovery

pkg/analyzer/test/generated/parser_test.dart

 // Copyright (c) 2014, 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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.parser_test;
 
 import 'package:analyzer/src/generated/error.dart';
@@ skipping 5665 matching lines @@
     expect(result.keyword, isNull);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_type_prefixed() {
     FinalConstVarOrType result = ParserTestCase.parse("parseFinalConstVarOrType", <Object> [false], "p.A a");
     expect(result.keyword, isNull);
     expect(result.type, isNotNull);
   }
 
+  void test_parseFinalConstVarOrType_type_prefixed_noIdentifier() {
+    FinalConstVarOrType result = ParserTestCase.parse("parseFinalConstVarOrType", <Object> [false], "p.A,");
+    expect(result.keyword, isNull);
+    expect(result.type, isNotNull);
+  }
+
   void test_parseFinalConstVarOrType_type_prefixedAndParameterized() {
     FinalConstVarOrType result = ParserTestCase.parse("parseFinalConstVarOrType", <Object> [false], "p.A<B> a");
     expect(result.keyword, isNull);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_type_simple() {
     FinalConstVarOrType result = ParserTestCase.parse("parseFinalConstVarOrType", <Object> [false], "A a");
     expect(result.keyword, isNull);
     expect(result.type, isNotNull);
   }
 
   void test_parseFinalConstVarOrType_var() {
     FinalConstVarOrType result = ParserTestCase.parse("parseFinalConstVarOrType", <Object> [false], "var");
     Token keyword = result.keyword;
     expect(keyword, isNotNull);
     expect(keyword.type, TokenType.KEYWORD);
     expect((keyword as KeywordToken).keyword, Keyword.VAR);
     expect(result.type, isNull);
   }
 
+  void test_parseFinalConstVarOrType_void() {
+    FinalConstVarOrType result = ParserTestCase.parse("parseFinalConstVarOrType", <Object> [false], "void f()");
+    expect(result.keyword, isNull);
+    expect(result.type, isNotNull);
+  }
+
+  void test_parseFinalConstVarOrType_void_noIdentifier() {
+    FinalConstVarOrType result = ParserTestCase.parse("parseFinalConstVarOrType", <Object> [false], "void,");
+    expect(result.keyword, isNull);
+    expect(result.type, isNotNull);
+  }
+
   void test_parseFormalParameter_final_withType_named() {
     ParameterKind kind = ParameterKind.NAMED;
     DefaultFormalParameter parameter = ParserTestCase.parse("parseFormalParameter", <Object> [kind], "final A a : null");
     SimpleFormalParameter simpleParameter = parameter.parameter as SimpleFormalParameter;
     expect(simpleParameter.identifier, isNotNull);
     expect(simpleParameter.keyword, isNotNull);
     expect(simpleParameter.type, isNotNull);
     expect(simpleParameter.kind, kind);
     expect(parameter.separator, isNotNull);
     expect(parameter.defaultValue, isNotNull);
@@ skipping 2559 matching lines @@
 main() {
   groupSep = ' | ';
   runReflectiveTests(ComplexParserTest);
   runReflectiveTests(ErrorParserTest);
   runReflectiveTests(IncrementalParserTest);
   runReflectiveTests(NonErrorParserTest);
   runReflectiveTests(RecoveryParserTest);
   runReflectiveTests(ResolutionCopierTest);
   runReflectiveTests(SimpleParserTest);
 }