Introduces `ParserOptions`.

pkg/compiler/lib/src/common/resolution.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.common.resolution;
 
 import '../common.dart';
 import '../compiler.dart' show
     Compiler;
@@ skipping 13 matching lines @@
     FunctionSignature,
     LocalFunctionElement,
     MetadataAnnotation,
     MethodElement,
     TypedefElement,
     TypeVariableElement;
 import '../enqueue.dart' show
     ResolutionEnqueuer;
 import '../parser/element_listener.dart' show
     ScannerOptions;
+import '../parser/parser.dart' show
+    ParserOptions;
 import '../tree/tree.dart' show
     AsyncForIn,
     Send,
     TypeAnnotation;
 import '../universe/world_impact.dart' show
     WorldImpact;
 import 'work.dart' show
     ItemCompilationContext,
     WorkItem;
 
@@ skipping 154 matching lines @@
   void uncacheWorldImpact(Element element);
 
   /// Removes the [WorldImpact]s for all [Element]s in the resolution cache. ,
   /// Later calls to [getWorldImpact] or [computeWorldImpact] returns an empty
   /// impact.
   void emptyCache();
 }
 
 // TODO(johnniwinther): Rename to `Parser` or `ParsingContext`.
 abstract class Parsing {
+  ParserOptions get parserOptions;
   DiagnosticReporter get reporter;
   void parsePatchClass(ClassElement cls);
   measure(f());
   ScannerOptions getScannerOptionsFor(Element element);
 }