Rename UniverseSelector to DynamicUse and move it to use.dart

pkg/compiler/lib/src/universe/use.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.universe.use;

[sigurdm, 2015/11/02 14:34:56]

Perhaps make a short library dartdoc explaining what a "use" is

[Siggi Cherem (dart-lang), 2015/11/02 16:55:47]

+1, let's also add the dartdoc to DynamicUse while we are at it :)

[Johnni Winther, 2015/11/04 10:08:26]

Done.

[Johnni Winther, 2015/11/04 10:08:26]

Done.

 
 import '../closure.dart' show
   BoxFieldElement;
 import '../common.dart';
 import '../elements/elements.dart';
+import '../world.dart' show
+    ClassWorld;
 import '../util/util.dart' show
     Hashing;
 
 import 'call_structure.dart' show
     CallStructure;
+import 'selector.dart' show
+    Selector;
+import 'universe.dart' show
+    ReceiverConstraint;
+
+
+enum DynamicUseKind {
+  INVOKE,
+  GET,
+  SET,
+}
+
+class DynamicUse {
+  final Selector selector;
+  final ReceiverConstraint mask;
+
+  DynamicUse(this.selector, this.mask);
+
+  bool appliesUnnamed(Element element, ClassWorld world) {
+    return selector.appliesUnnamed(element, world) &&
+        (mask == null || mask.canHit(element, selector, world));
+  }
+
+  DynamicUseKind get kind {
+    if (selector.isGetter) {
+      return DynamicUseKind.GET;
+    } else if (selector.isSetter) {
+      return DynamicUseKind.SET;
+    } else {
+      return DynamicUseKind.INVOKE;
+    }
+  }
+
+  int get hashCode => selector.hashCode * 13 + mask.hashCode * 17;
+
+  bool operator ==(other) {
+    if (identical(this, other)) return true;
+    if (other is! DynamicUse) return false;
+    return selector == other.selector && mask == other.mask;
+  }
+
+  String toString() => '$selector,$mask';
+}
 
 enum StaticUseKind {
   GENERAL,
   STATIC_TEAR_OFF,
   SUPER_TEAR_OFF,
   FIELD_GET,
   FIELD_SET,
 }
 
 /// Statically known use of an [Element].
@@ skipping 163 matching lines @@
   bool operator ==(other) {
     if (identical(this, other)) return true;
     if (other is! StaticUse) return false;
     return element == other.element &&
            kind == other.kind;
   }
 
   String toString() => 'StaticUse($element,$kind)';
 }