Split parser/listener.dart, parser/class_element_listener.dart and tokens/token.dart into smaller l…

pkg/compiler/lib/src/compiler.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.
 
 library dart2js.compiler_base;
 
 import 'dart:async' show
     EventSink,
     Future;
 
@@ skipping 97 matching lines @@
     ScannerTask;
 import 'serialization/task.dart' show
     SerializationTask;
 import 'script.dart' show
     Script;
 import 'ssa/ssa.dart' show
     HInstruction;
 import 'tracer.dart' show
     Tracer;
 import 'tokens/token.dart' show
-    COMMENT_TOKEN,
-    EOF_TOKEN,
     StringToken,
     Token,
     TokenPair;
+import 'tokens/token_constants.dart' as Tokens show
+    COMMENT_TOKEN,
+    EOF_TOKEN;
 import 'tokens/token_map.dart' show
     TokenMap;
 import 'tree/tree.dart' show
     Node;
 import 'typechecker.dart' show
     TypeCheckerTask;
 import 'types/types.dart' as ti;
 import 'universe/universe.dart' show
     CallStructure,
     Selector,
@@ skipping 1384 matching lines @@
       throw 'Could not find $name in $container';
     }
     return element;
   }
 
   bool get isMockCompilation => false;
 
   Token processAndStripComments(Token currentToken) {
     Token firstToken = currentToken;
     Token prevToken;
-    while (currentToken.kind != EOF_TOKEN) {
-      if (identical(currentToken.kind, COMMENT_TOKEN)) {
+    while (currentToken.kind != Tokens.EOF_TOKEN) {
+      if (identical(currentToken.kind, Tokens.COMMENT_TOKEN)) {
         Token firstCommentToken = currentToken;
-        while (identical(currentToken.kind, COMMENT_TOKEN)) {
+        while (identical(currentToken.kind, Tokens.COMMENT_TOKEN)) {
           currentToken = currentToken.next;
         }
         commentMap[currentToken] = firstCommentToken;
         if (prevToken == null) {
           firstToken = currentToken;
         } else {
           prevToken.next = currentToken;
         }
       }
       prevToken = currentToken;
@@ skipping 241 matching lines @@
 
   @override
   InterfaceType streamType([DartType elementType]) {
     InterfaceType type = streamClass.computeType(compiler);
     if (elementType == null) {
       return streamClass.rawType;
     }
     return type.createInstantiation([elementType]);
   }
 }