Make more use of generated code in analysis server.

pkg/analysis_server/test/analysis_notification_highlights_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.
 
 library test.domain.analysis.notification.highlights;
 
 import 'dart:async';
 
-import 'package:analysis_server/src/computer/computer_highlights.dart';
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol.dart';
-import 'package:analysis_server/src/protocol2.dart' show AnalysisService;
+import 'package:analysis_server/src/protocol2.dart';
 import 'package:analysis_testing/reflective_tests.dart';
 import 'package:unittest/unittest.dart';
 
 import 'analysis_abstract.dart';
 
 
 main() {
   runReflectiveTests(AnalysisNotificationHighlightsTest);
   runReflectiveTests(HighlightTypeTest);
 }
 
 
 @ReflectiveTestCase()
 class AnalysisNotificationHighlightsTest extends AbstractAnalysisTest {
   List<HighlightRegion> regions;
 
-  void assertHasRawRegion(HighlightType type, int offset, int length) {
+  void assertHasRawRegion(HighlightRegionType type, int offset, int length) {
     for (HighlightRegion region in regions) {
       if (region.offset == offset &&
           region.length == length &&
           region.type == type) {
         return;
       }
     }
     fail(
         'Expected to find (offset=$offset; length=$length; type=$type) in\n'
             '${regions.join('\n')}');
   }
 
-  void assertHasRegion(HighlightType type, String search, [int length = -1]) {
+  void assertHasRegion(HighlightRegionType type, String search, [int length = -1]) {
     int offset = findOffset(search);
     length = findRegionLength(search, length);
     assertHasRawRegion(type, offset, length);
   }
 
-  void assertHasStringRegion(HighlightType type, String str) {
+  void assertHasStringRegion(HighlightRegionType type, String str) {
     int offset = findOffset(str);
     int length = str.length;
     assertHasRawRegion(type, offset, length);
   }
 
-  void assertNoRawRegion(HighlightType type, int offset, int length) {
+  void assertNoRawRegion(HighlightRegionType type, int offset, int length) {
     for (HighlightRegion region in regions) {
       if (region.offset == offset &&
           region.length == length &&
           region.type == type) {
         fail(
             'Not expected to find (offset=$offset; length=$length; type=$type) in\n'
                 '${regions.join('\n')}');
       }
     }
   }
 
 
-  void assertNoRegion(HighlightType type, String search, [int length = -1]) {
+  void assertNoRegion(HighlightRegionType type, String search, [int length = -1]) {
     int offset = findOffset(search);
     length = findRegionLength(search, length);
     assertNoRawRegion(type, offset, length);
   }
 
   int findRegionLength(String search, int length) {
     if (length == -1) {
       length = 0;
       while (length < search.length) {
         int c = search.codeUnitAt(length);
@@ skipping 12 matching lines @@
     return length;
   }
 
   Future prepareHighlights() {
     addAnalysisSubscription(AnalysisService.HIGHLIGHTS, testFile);
     return waitForTasksFinished();
   }
 
   void processNotification(Notification notification) {
     if (notification.event == ANALYSIS_HIGHLIGHTS) {
-      String file = notification.getParameter(FILE);
-      if (file == testFile) {
-        regions = [];
-        List<Map<String, Object>> regionsJson =
-            notification.getParameter(REGIONS);
-        for (Map<String, Object> regionJson in regionsJson) {
-          regions.add(new HighlightRegion.fromJson(regionJson));
-        }
+      var params = new AnalysisHighlightsParams.fromNotification(notification);
+      if (params.file == testFile) {
+        regions = params.regions;
       }
     }
   }
 
   @override
   void setUp() {
     super.setUp();
     createProject();
   }
 
   test_ANNOTATION_hasArguments() {
     addTestFile('''
 class AAA {
   const AAA(a, b, c);
 }
 @AAA(1, 2, 3) main() {}
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.ANNOTATION, '@AAA(', '@AAA('.length);
-      assertHasRegion(HighlightType.ANNOTATION, ') main', ')'.length);
+      assertHasRegion(HighlightRegionType.ANNOTATION, '@AAA(', '@AAA('.length);
+      assertHasRegion(HighlightRegionType.ANNOTATION, ') main', ')'.length);
     });
   }
 
   test_ANNOTATION_noArguments() {
     addTestFile('''
 const AAA = 42;
 @AAA main() {}
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.ANNOTATION, '@AAA');
+      assertHasRegion(HighlightRegionType.ANNOTATION, '@AAA');
     });
   }
 
   test_BUILT_IN_abstract() {
     addTestFile('''
 abstract class A {};
 main() {
   var abstract = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'abstract class');
-      assertNoRegion(HighlightType.BUILT_IN, 'abstract = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'abstract class');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'abstract = 42');
     });
   }
 
   test_BUILT_IN_as() {
     addTestFile('''
 import 'dart:math' as math;
 main() {
   p as int;
   var as = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'as math');
-      assertHasRegion(HighlightType.BUILT_IN, 'as int');
-      assertNoRegion(HighlightType.BUILT_IN, 'as = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'as math');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'as int');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'as = 42');
     });
   }
 
   test_BUILT_IN_deferred() {
     addTestFile('''
 import 'dart:math' deferred as math;
 main() {
   var deferred = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'deferred as math');
-      assertNoRegion(HighlightType.BUILT_IN, 'deferred = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'deferred as math');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'deferred = 42');
     });
   }
 
   test_BUILT_IN_export() {
     addTestFile('''
 export "dart:math";
 main() {
   var export = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'export "dart:');
-      assertNoRegion(HighlightType.BUILT_IN, 'export = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'export "dart:');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'export = 42');
     });
   }
 
   test_BUILT_IN_external() {
     addTestFile('''
 class A {
   external A();
   external aaa();
 }
 external main() {
   var external = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'external A()');
-      assertHasRegion(HighlightType.BUILT_IN, 'external aaa()');
-      assertHasRegion(HighlightType.BUILT_IN, 'external main()');
-      assertNoRegion(HighlightType.BUILT_IN, 'external = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'external A()');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'external aaa()');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'external main()');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'external = 42');
     });
   }
 
   test_BUILT_IN_factory() {
     addTestFile('''
 class A {
   factory A() => null;
 }
 main() {
   var factory = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'factory A()');
-      assertNoRegion(HighlightType.BUILT_IN, 'factory = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'factory A()');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'factory = 42');
     });
   }
 
   test_BUILT_IN_get() {
     addTestFile('''
 get aaa => 1;
 class A {
   get bbb => 2;
 }
 main() {
   var get = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'get aaa =>');
-      assertHasRegion(HighlightType.BUILT_IN, 'get bbb =>');
-      assertNoRegion(HighlightType.BUILT_IN, 'get = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'get aaa =>');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'get bbb =>');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'get = 42');
     });
   }
 
   test_BUILT_IN_hide() {
     addTestFile('''
 import 'foo.dart' hide Foo;
 main() {
   var hide = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'hide Foo');
-      assertNoRegion(HighlightType.BUILT_IN, 'hide = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'hide Foo');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'hide = 42');
     });
   }
 
   test_BUILT_IN_implements() {
     addTestFile('''
 class A {}
 class B implements A {}
 main() {
   var implements = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'implements A {}');
-      assertNoRegion(HighlightType.BUILT_IN, 'implements = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'implements A {}');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'implements = 42');
     });
   }
 
   test_BUILT_IN_import() {
     addTestFile('''
 import "foo.dart";
 main() {
   var import = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'import "');
-      assertNoRegion(HighlightType.BUILT_IN, 'import = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'import "');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'import = 42');
     });
   }
 
   test_BUILT_IN_library() {
     addTestFile('''
 library lib;
 main() {
   var library = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'library lib;');
-      assertNoRegion(HighlightType.BUILT_IN, 'library = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'library lib;');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'library = 42');
     });
   }
 
   test_BUILT_IN_native() {
     addTestFile('''
 class A native "A_native" {}
 class B {
   bbb() native "bbb_native";
 }
 main() {
   var native = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'native "A_');
-      assertHasRegion(HighlightType.BUILT_IN, 'native "bbb_');
-      assertNoRegion(HighlightType.BUILT_IN, 'native = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'native "A_');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'native "bbb_');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'native = 42');
     });
   }
 
   test_BUILT_IN_on() {
     addTestFile('''
 main() {
   try {
   } on int catch (e) {
   }
   var on = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'on int');
-      assertNoRegion(HighlightType.BUILT_IN, 'on = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'on int');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'on = 42');
     });
   }
 
   test_BUILT_IN_operator() {
     addTestFile('''
 class A {
   operator +(x) => null;
 }
 main() {
   var operator = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'operator +(');
-      assertNoRegion(HighlightType.BUILT_IN, 'operator = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'operator +(');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'operator = 42');
     });
   }
 
   test_BUILT_IN_part() {
     addTestFile('''
 part "my_part.dart";
 main() {
   var part = 42;
 }''');
     addFile('/project/bin/my_part.dart', 'part of lib;');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'part "my_');
-      assertNoRegion(HighlightType.BUILT_IN, 'part = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'part "my_');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'part = 42');
     });
   }
 
   test_BUILT_IN_partOf() {
     addTestFile('''
 part of lib;
 main() {
   var part = 1;
   var of = 2;
 }''');
     _addLibraryForTestPart();
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'part of', 'part of'.length);
-      assertNoRegion(HighlightType.BUILT_IN, 'part = 1');
-      assertNoRegion(HighlightType.BUILT_IN, 'of = 2');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'part of', 'part of'.length);
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'part = 1');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'of = 2');
     });
   }
 
   test_BUILT_IN_set() {
     addTestFile('''
 set aaa(x) {}
 class A
   set bbb(x) {}
 }
 main() {
   var set = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'set aaa(');
-      assertHasRegion(HighlightType.BUILT_IN, 'set bbb(');
-      assertNoRegion(HighlightType.BUILT_IN, 'set = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'set aaa(');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'set bbb(');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'set = 42');
     });
   }
 
   test_BUILT_IN_show() {
     addTestFile('''
 import 'foo.dart' show Foo;
 main() {
   var show = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'show Foo');
-      assertNoRegion(HighlightType.BUILT_IN, 'show = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'show Foo');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'show = 42');
     });
   }
 
   test_BUILT_IN_static() {
     addTestFile('''
 class A {
   static aaa;
   static bbb() {}
 }
 main() {
   var static = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'static aaa;');
-      assertHasRegion(HighlightType.BUILT_IN, 'static bbb()');
-      assertNoRegion(HighlightType.BUILT_IN, 'static = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'static aaa;');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'static bbb()');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'static = 42');
     });
   }
 
   test_BUILT_IN_typedef() {
     addTestFile('''
 typedef A();
 main() {
   var typedef = 42;
 }''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.BUILT_IN, 'typedef A();');
-      assertNoRegion(HighlightType.BUILT_IN, 'typedef = 42');
+      assertHasRegion(HighlightRegionType.BUILT_IN, 'typedef A();');
+      assertNoRegion(HighlightRegionType.BUILT_IN, 'typedef = 42');
     });
   }
 
   test_CLASS() {
     addTestFile('''
 class AAA {}
 AAA aaa;
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.CLASS, 'AAA {}');
-      assertHasRegion(HighlightType.CLASS, 'AAA aaa');
+      assertHasRegion(HighlightRegionType.CLASS, 'AAA {}');
+      assertHasRegion(HighlightRegionType.CLASS, 'AAA aaa');
     });
   }
 
   test_CLASS_notDynamic() {
     addTestFile('''
 dynamic f() {}
 ''');
     return prepareHighlights().then((_) {
-      assertNoRegion(HighlightType.CLASS, 'dynamic f()');
+      assertNoRegion(HighlightRegionType.CLASS, 'dynamic f()');
     });
   }
 
   test_CLASS_notVoid() {
     addTestFile('''
 void f() {}
 ''');
     return prepareHighlights().then((_) {
-      assertNoRegion(HighlightType.CLASS, 'void f()');
+      assertNoRegion(HighlightRegionType.CLASS, 'void f()');
     });
   }
 
   test_COMMENT() {
     addTestFile('''
 /**
  * documentation comment
  */ 
 void main() {
   // end-of-line comment
   my_function(1);
 }
 
 void my_function(String a) {
  /* block comment */
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.COMMENT_DOCUMENTATION, '/**', 32);
-      assertHasRegion(HighlightType.COMMENT_END_OF_LINE, '//', 22);
-      assertHasRegion(HighlightType.COMMENT_BLOCK, '/* b', 19);
+      assertHasRegion(HighlightRegionType.COMMENT_DOCUMENTATION, '/**', 32);
+      assertHasRegion(HighlightRegionType.COMMENT_END_OF_LINE, '//', 22);
+      assertHasRegion(HighlightRegionType.COMMENT_BLOCK, '/* b', 19);
     });
   }
 
   test_CONSTRUCTOR() {
     addTestFile('''
 class AAA {
   AAA() {}
   AAA.name(p) {}
 }
 main() {
   new AAA();
   new AAA.name(42);
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.CONSTRUCTOR, 'name(p)');
-      assertHasRegion(HighlightType.CONSTRUCTOR, 'name(42)');
-      assertNoRegion(HighlightType.CONSTRUCTOR, 'AAA() {}');
-      assertNoRegion(HighlightType.CONSTRUCTOR, 'AAA();');
+      assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'name(p)');
+      assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'name(42)');
+      assertNoRegion(HighlightRegionType.CONSTRUCTOR, 'AAA() {}');
+      assertNoRegion(HighlightRegionType.CONSTRUCTOR, 'AAA();');
     });
   }
 
   test_DIRECTIVE() {
     addTestFile('''
 library lib;
 import 'dart:math';
 export 'dart:math';
 part 'part.dart';
 ''');
     return prepareHighlights().then((_) {
-      assertHasStringRegion(HighlightType.DIRECTIVE, "library lib;");
-      assertHasStringRegion(HighlightType.DIRECTIVE, "import 'dart:math';");
-      assertHasStringRegion(HighlightType.DIRECTIVE, "export 'dart:math';");
-      assertHasStringRegion(HighlightType.DIRECTIVE, "part 'part.dart';");
+      assertHasStringRegion(HighlightRegionType.DIRECTIVE, "library lib;");
+      assertHasStringRegion(HighlightRegionType.DIRECTIVE, "import 'dart:math';");
+      assertHasStringRegion(HighlightRegionType.DIRECTIVE, "export 'dart:math';");
+      assertHasStringRegion(HighlightRegionType.DIRECTIVE, "part 'part.dart';");
     });
   }
 
   test_DIRECTIVE_partOf() {
     addTestFile('''
 part of lib;
 ''');
     _addLibraryForTestPart();
     return prepareHighlights().then((_) {
-      assertHasStringRegion(HighlightType.DIRECTIVE, "part of lib;");
+      assertHasStringRegion(HighlightRegionType.DIRECTIVE, "part of lib;");
     });
   }
 
   test_DYNAMIC_TYPE() {
     addTestFile('''
 f() {}
 main(p) {
   print(p);
   var v1 = f();
   int v2;
   var v3 = v2;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.DYNAMIC_TYPE, 'p)');
-      assertHasRegion(HighlightType.DYNAMIC_TYPE, 'v1 =');
-      assertNoRegion(HighlightType.DYNAMIC_TYPE, 'v2;');
-      assertNoRegion(HighlightType.DYNAMIC_TYPE, 'v3 =');
+      assertHasRegion(HighlightRegionType.DYNAMIC_TYPE, 'p)');
+      assertHasRegion(HighlightRegionType.DYNAMIC_TYPE, 'v1 =');
+      assertNoRegion(HighlightRegionType.DYNAMIC_TYPE, 'v2;');
+      assertNoRegion(HighlightRegionType.DYNAMIC_TYPE, 'v3 =');
     });
   }
 
   test_FIELD() {
     addTestFile('''
 class A {
   int aaa = 1;
   int bbb = 2;
   A([this.bbb = 3]);
 }
 main(A a) {
   a.aaa = 4;
   a.bbb = 5;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.FIELD, 'aaa = 1');
-      assertHasRegion(HighlightType.FIELD, 'bbb = 2');
-      assertHasRegion(HighlightType.FIELD, 'bbb = 3');
-      assertHasRegion(HighlightType.FIELD, 'aaa = 4');
-      assertHasRegion(HighlightType.FIELD, 'bbb = 5');
+      assertHasRegion(HighlightRegionType.FIELD, 'aaa = 1');
+      assertHasRegion(HighlightRegionType.FIELD, 'bbb = 2');
+      assertHasRegion(HighlightRegionType.FIELD, 'bbb = 3');
+      assertHasRegion(HighlightRegionType.FIELD, 'aaa = 4');
+      assertHasRegion(HighlightRegionType.FIELD, 'bbb = 5');
     });
   }
 
   test_FIELD_STATIC() {
     addTestFile('''
 class A {
   static aaa = 1;
   static get bbb => null;
   static set ccc(x) {}
 }
 main() {
   A.aaa = 2;
   A.bbb;
   A.ccc = 3;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.FIELD_STATIC, 'aaa = 1');
-      assertHasRegion(HighlightType.FIELD_STATIC, 'aaa = 2');
-      assertHasRegion(HighlightType.FIELD_STATIC, 'bbb;');
-      assertHasRegion(HighlightType.FIELD_STATIC, 'ccc = 3');
+      assertHasRegion(HighlightRegionType.FIELD_STATIC, 'aaa = 1');
+      assertHasRegion(HighlightRegionType.FIELD_STATIC, 'aaa = 2');
+      assertHasRegion(HighlightRegionType.FIELD_STATIC, 'bbb;');
+      assertHasRegion(HighlightRegionType.FIELD_STATIC, 'ccc = 3');
     });
   }
 
   test_FUNCTION() {
     addTestFile('''
 fff(p) {}
 main() {
   fff(42);
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.FUNCTION_DECLARATION, 'fff(p) {}');
-      assertHasRegion(HighlightType.FUNCTION, 'fff(42)');
+      assertHasRegion(HighlightRegionType.FUNCTION_DECLARATION, 'fff(p) {}');
+      assertHasRegion(HighlightRegionType.FUNCTION, 'fff(42)');
     });
   }
 
   test_FUNCTION_TYPE_ALIAS() {
     addTestFile('''
 typedef FFF(p);
 main(FFF fff) {
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.FUNCTION_TYPE_ALIAS, 'FFF(p)');
-      assertHasRegion(HighlightType.FUNCTION_TYPE_ALIAS, 'FFF fff)');
+      assertHasRegion(HighlightRegionType.FUNCTION_TYPE_ALIAS, 'FFF(p)');
+      assertHasRegion(HighlightRegionType.FUNCTION_TYPE_ALIAS, 'FFF fff)');
     });
   }
 
   test_GETTER_DECLARATION() {
     addTestFile('''
 get aaa => null;
 class A {
   get bbb => null;
 }
 main(A a) {
   aaa;
   a.bbb;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.GETTER_DECLARATION, 'aaa => null');
-      assertHasRegion(HighlightType.GETTER_DECLARATION, 'bbb => null');
-      assertHasRegion(HighlightType.TOP_LEVEL_VARIABLE, 'aaa;');
-      assertHasRegion(HighlightType.FIELD, 'bbb;');
+      assertHasRegion(HighlightRegionType.GETTER_DECLARATION, 'aaa => null');
+      assertHasRegion(HighlightRegionType.GETTER_DECLARATION, 'bbb => null');
+      assertHasRegion(HighlightRegionType.TOP_LEVEL_VARIABLE, 'aaa;');
+      assertHasRegion(HighlightRegionType.FIELD, 'bbb;');
     });
   }
 
   test_IDENTIFIER_DEFAULT() {
     addTestFile('''
 main() {
   aaa = 42;
   bbb(84);
   CCC ccc;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.IDENTIFIER_DEFAULT, 'aaa = 42');
-      assertHasRegion(HighlightType.IDENTIFIER_DEFAULT, 'bbb(84)');
-      assertHasRegion(HighlightType.IDENTIFIER_DEFAULT, 'CCC ccc');
+      assertHasRegion(HighlightRegionType.IDENTIFIER_DEFAULT, 'aaa = 42');
+      assertHasRegion(HighlightRegionType.IDENTIFIER_DEFAULT, 'bbb(84)');
+      assertHasRegion(HighlightRegionType.IDENTIFIER_DEFAULT, 'CCC ccc');
     });
   }
 
   test_IMPORT_PREFIX() {
     addTestFile('''
 import 'dart:math' as ma;
 main() {
   ma.max(1, 2);
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.IMPORT_PREFIX, 'ma;');
-      assertHasRegion(HighlightType.IMPORT_PREFIX, 'ma.max');
+      assertHasRegion(HighlightRegionType.IMPORT_PREFIX, 'ma;');
+      assertHasRegion(HighlightRegionType.IMPORT_PREFIX, 'ma.max');
     });
   }
 
   test_KEYWORD() {
     addTestFile('''
 main() {
   assert(true);
   for (;;) break;
   switch (0) {
     case 0: break;
@@ skipping 17 matching lines @@
 class A {}
 class B extends A {
   B() : super();
   m() {
     return this;
   }
 }
 class C = Object with A;
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.KEYWORD, 'assert(true)');
-      assertHasRegion(HighlightType.KEYWORD, 'for (;;)');
-      assertHasRegion(HighlightType.KEYWORD, 'for (var v4 in');
-      assertHasRegion(HighlightType.KEYWORD, 'break;');
-      assertHasRegion(HighlightType.KEYWORD, 'case 0:');
-      assertHasRegion(HighlightType.KEYWORD, 'catch (e) {}');
-      assertHasRegion(HighlightType.KEYWORD, 'class A {}');
-      assertHasRegion(HighlightType.KEYWORD, 'const v1');
-      assertHasRegion(HighlightType.KEYWORD, 'continue;');
-      assertHasRegion(HighlightType.KEYWORD, 'default:');
-      assertHasRegion(HighlightType.KEYWORD, 'do {} while');
-      assertHasRegion(HighlightType.KEYWORD, 'if (true)');
-      assertHasRegion(HighlightType.KEYWORD, 'false;');
-      assertHasRegion(HighlightType.KEYWORD, 'final v3 =');
-      assertHasRegion(HighlightType.KEYWORD, 'finally {}');
-      assertHasRegion(HighlightType.KEYWORD, 'in []');
-      assertHasRegion(HighlightType.KEYWORD, 'is int');
-      assertHasRegion(HighlightType.KEYWORD, 'new A();');
-      assertHasRegion(HighlightType.KEYWORD, 'rethrow;');
-      assertHasRegion(HighlightType.KEYWORD, 'return this');
-      assertHasRegion(HighlightType.KEYWORD, 'super();');
-      assertHasRegion(HighlightType.KEYWORD, 'switch (0)');
-      assertHasRegion(HighlightType.KEYWORD, 'this;');
-      assertHasRegion(HighlightType.KEYWORD, 'true;');
-      assertHasRegion(HighlightType.KEYWORD, 'try {');
-      assertHasRegion(HighlightType.KEYWORD, 'while (true) {}');
-      assertHasRegion(HighlightType.KEYWORD, 'while (true);');
-      assertHasRegion(HighlightType.KEYWORD, 'with A;');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'assert(true)');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'for (;;)');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'for (var v4 in');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'break;');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'case 0:');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'catch (e) {}');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'class A {}');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'const v1');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'continue;');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'default:');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'do {} while');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'if (true)');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'false;');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'final v3 =');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'finally {}');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'in []');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'is int');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'new A();');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'rethrow;');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'return this');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'super();');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'switch (0)');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'this;');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'true;');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'try {');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'while (true) {}');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'while (true);');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'with A;');
     });
   }
 
   test_KEYWORD_void() {
     addTestFile('''
 void main() {
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.KEYWORD, 'void main()');
+      assertHasRegion(HighlightRegionType.KEYWORD, 'void main()');
     });
   }
 
   test_LITERAL_BOOLEAN() {
     addTestFile('var V = true;');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.LITERAL_BOOLEAN, 'true;');
+      assertHasRegion(HighlightRegionType.LITERAL_BOOLEAN, 'true;');
     });
   }
 
   test_LITERAL_DOUBLE() {
     addTestFile('var V = 4.2;');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.LITERAL_DOUBLE, '4.2;', '4.2'.length);
+      assertHasRegion(HighlightRegionType.LITERAL_DOUBLE, '4.2;', '4.2'.length);
     });
   }
 
   test_LITERAL_INTEGER() {
     addTestFile('var V = 42;');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.LITERAL_INTEGER, '42;');
+      assertHasRegion(HighlightRegionType.LITERAL_INTEGER, '42;');
     });
   }
 
   test_LITERAL_LIST() {
     addTestFile('var V = <int>[1, 2, 3];');
     return prepareHighlights().then((_) {
-      assertHasStringRegion(HighlightType.LITERAL_LIST, '<int>[1, 2, 3]');
+      assertHasStringRegion(HighlightRegionType.LITERAL_LIST, '<int>[1, 2, 3]');
     });
   }
 
   test_LITERAL_MAP() {
     addTestFile("var V = const <int, String>{1: 'a', 2: 'b', 3: 'c'};");
     return prepareHighlights().then((_) {
       assertHasStringRegion(
-          HighlightType.LITERAL_MAP,
+          HighlightRegionType.LITERAL_MAP,
           "const <int, String>{1: 'a', 2: 'b', 3: 'c'}");
     });
   }
 
   test_LITERAL_STRING() {
     addTestFile('var V = "abc";');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.LITERAL_STRING, '"abc";', '"abc"'.length);
+      assertHasRegion(HighlightRegionType.LITERAL_STRING, '"abc";', '"abc"'.length);
     });
   }
 
   test_LOCAL_VARIABLE() {
     addTestFile('''
 main() {
   int vvv = 0;
   vvv;
   vvv = 1;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.LOCAL_VARIABLE_DECLARATION, 'vvv = 0');
-      assertHasRegion(HighlightType.LOCAL_VARIABLE, 'vvv;');
-      assertHasRegion(HighlightType.LOCAL_VARIABLE, 'vvv = 1;');
+      assertHasRegion(HighlightRegionType.LOCAL_VARIABLE_DECLARATION, 'vvv = 0');
+      assertHasRegion(HighlightRegionType.LOCAL_VARIABLE, 'vvv;');
+      assertHasRegion(HighlightRegionType.LOCAL_VARIABLE, 'vvv = 1;');
     });
   }
 
   test_METHOD() {
     addTestFile('''
 class A {
   aaa() {}
   static bbb() {}
 }
 main(A a) {
   a.aaa();
   a.aaa;
   A.bbb();
   A.bbb;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.METHOD_DECLARATION, 'aaa() {}');
-      assertHasRegion(HighlightType.METHOD_DECLARATION_STATIC, 'bbb() {}');
-      assertHasRegion(HighlightType.METHOD, 'aaa();');
-      assertHasRegion(HighlightType.METHOD, 'aaa;');
-      assertHasRegion(HighlightType.METHOD_STATIC, 'bbb();');
-      assertHasRegion(HighlightType.METHOD_STATIC, 'bbb;');
+      assertHasRegion(HighlightRegionType.METHOD_DECLARATION, 'aaa() {}');
+      assertHasRegion(HighlightRegionType.METHOD_DECLARATION_STATIC, 'bbb() {}');
+      assertHasRegion(HighlightRegionType.METHOD, 'aaa();');
+      assertHasRegion(HighlightRegionType.METHOD, 'aaa;');
+      assertHasRegion(HighlightRegionType.METHOD_STATIC, 'bbb();');
+      assertHasRegion(HighlightRegionType.METHOD_STATIC, 'bbb;');
     });
   }
 
   test_METHOD_bestType() {
     addTestFile('''
 main(p) {
   if (p is List) {
     p.add(null);
   }
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.METHOD, 'add(null)');
+      assertHasRegion(HighlightRegionType.METHOD, 'add(null)');
     });
   }
 
   test_PARAMETER() {
     addTestFile('''
 main(int p) {
   p;
   p = 42;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.PARAMETER, 'p) {');
-      assertHasRegion(HighlightType.PARAMETER, 'p;');
-      assertHasRegion(HighlightType.PARAMETER, 'p = 42');
+      assertHasRegion(HighlightRegionType.PARAMETER, 'p) {');
+      assertHasRegion(HighlightRegionType.PARAMETER, 'p;');
+      assertHasRegion(HighlightRegionType.PARAMETER, 'p = 42');
     });
   }
 
   test_SETTER_DECLARATION() {
     addTestFile('''
 set aaa(x) {}
 class A {
   set bbb(x) {}
 }
 main(A a) {
   aaa = 1;
   a.bbb = 2;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.SETTER_DECLARATION, 'aaa(x)');
-      assertHasRegion(HighlightType.SETTER_DECLARATION, 'bbb(x)');
-      assertHasRegion(HighlightType.TOP_LEVEL_VARIABLE, 'aaa = 1');
-      assertHasRegion(HighlightType.FIELD, 'bbb = 2');
+      assertHasRegion(HighlightRegionType.SETTER_DECLARATION, 'aaa(x)');
+      assertHasRegion(HighlightRegionType.SETTER_DECLARATION, 'bbb(x)');
+      assertHasRegion(HighlightRegionType.TOP_LEVEL_VARIABLE, 'aaa = 1');
+      assertHasRegion(HighlightRegionType.FIELD, 'bbb = 2');
     });
   }
 
   test_TOP_LEVEL_VARIABLE() {
     addTestFile('''
 const VVV = 0;
 @VVV // annotation
 main() {
   print(VVV);
   VVV = 1;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.TOP_LEVEL_VARIABLE, 'VVV = 0');
-      assertHasRegion(HighlightType.TOP_LEVEL_VARIABLE, 'VVV // annotation');
-      assertHasRegion(HighlightType.TOP_LEVEL_VARIABLE, 'VVV);');
-      assertHasRegion(HighlightType.TOP_LEVEL_VARIABLE, 'VVV = 1');
+      assertHasRegion(HighlightRegionType.TOP_LEVEL_VARIABLE, 'VVV = 0');
+      assertHasRegion(HighlightRegionType.TOP_LEVEL_VARIABLE, 'VVV // annotation');
+      assertHasRegion(HighlightRegionType.TOP_LEVEL_VARIABLE, 'VVV);');
+      assertHasRegion(HighlightRegionType.TOP_LEVEL_VARIABLE, 'VVV = 1');
     });
   }
 
   test_TYPE_NAME_DYNAMIC() {
     addTestFile('''
 dynamic main() {
   dynamic = 42;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.TYPE_NAME_DYNAMIC, 'dynamic main()');
-      assertNoRegion(HighlightType.IDENTIFIER_DEFAULT, 'dynamic main()');
-      assertNoRegion(HighlightType.TYPE_NAME_DYNAMIC, 'dynamic = 42');
+      assertHasRegion(HighlightRegionType.TYPE_NAME_DYNAMIC, 'dynamic main()');
+      assertNoRegion(HighlightRegionType.IDENTIFIER_DEFAULT, 'dynamic main()');
+      assertNoRegion(HighlightRegionType.TYPE_NAME_DYNAMIC, 'dynamic = 42');
     });
   }
 
   test_TYPE_PARAMETER() {
     addTestFile('''
 class A<T> {
   T fff;
   T mmm(T p) => null;
 }
 ''');
     return prepareHighlights().then((_) {
-      assertHasRegion(HighlightType.TYPE_PARAMETER, 'T> {');
-      assertHasRegion(HighlightType.TYPE_PARAMETER, 'T fff;');
-      assertHasRegion(HighlightType.TYPE_PARAMETER, 'T mmm(');
-      assertHasRegion(HighlightType.TYPE_PARAMETER, 'T p)');
+      assertHasRegion(HighlightRegionType.TYPE_PARAMETER, 'T> {');
+      assertHasRegion(HighlightRegionType.TYPE_PARAMETER, 'T fff;');
+      assertHasRegion(HighlightRegionType.TYPE_PARAMETER, 'T mmm(');
+      assertHasRegion(HighlightRegionType.TYPE_PARAMETER, 'T p)');
     });
   }
 
   void _addLibraryForTestPart() {
     addFile('$testFolder/my_lib.dart', '''
 library lib;
 part 'test.dart';
     ''');
   }
 }
 
 
 @ReflectiveTestCase()
 class HighlightTypeTest {
   void test_toString() {
-    expect(HighlightType.CLASS.toString(), HighlightType.CLASS.name);
+    expect(HighlightRegionType.CLASS.toString(), 'HighlightRegionType.CLASS');
   }
 
-  void test_valueOf() {
+  void test_constructor() {
     expect(
-        HighlightType.CLASS,
-        HighlightType.valueOf(HighlightType.CLASS.name));
+        HighlightRegionType.CLASS,
+        new HighlightRegionType(HighlightRegionType.CLASS.name));
   }
 
   void test_valueOf_unknown() {
     expect(() {
-      HighlightType.valueOf('no-such-type');
+      new HighlightRegionType('no-such-type');
     }, throws);
   }
 }