Support intercepted getters, setters and index operations.

pkg/compiler/lib/src/js_backend/codegen/glue.dart

Index: pkg/compiler/lib/src/js_backend/codegen/glue.dart
diff --git a/pkg/compiler/lib/src/js_backend/codegen/glue.dart b/pkg/compiler/lib/src/js_backend/codegen/glue.dart
index dbe95dabb40a33f84295d1e24dd86abf2abf1d24..6d7197d45a8520228fadf23c2a8914f5e2f80166 100644
--- a/pkg/compiler/lib/src/js_backend/codegen/glue.dart
+++ b/pkg/compiler/lib/src/js_backend/codegen/glue.dart
@@ -12,6 +12,24 @@ import '../../constants/values.dart';
 import '../../elements/elements.dart';
 import '../../constants/expressions.dart';
 import '../../closure.dart' show ClosureClassElement;
+import '../../universe/universe.dart' show SelectorKind;
+
+/// A non-call selector translated to JavaScript call semantics.
+///
+/// The name of the this selector is already the correct JavaScript target name
+/// as translated by the namer.
+class JsCallSelector extends Selector {
+  /// The selector from which this selector originated. This selector is used
+  /// to identify possible targets using Dart semantics.
+  final Selector source;
+  JsCallSelector(Selector source,
+                 String name,
+                 int arity,
+                 List<String> namedArguments)
+      : this.source = source,
+        super.internal(SelectorKind.CALL, name, null, arity, namedArguments,
+          <String>[], source.hashCode * 13 + name.hashCode);
+}

[asgerf, 2015/01/21 10:21:05]

It seems to me the JsCallSelector is never created.

 
 /// Encapsulates the dependencies of the function-compiler to the compiler,
 /// backend and emitter.
@@ -60,6 +78,9 @@ class Glue {
   FunctionElement get identicalFunction => _compiler.identicalFunction;
 
   String invocationName(Selector selector) {
+    if (selector is JsCallSelector) {
+      return selector.name;
+    }
     return _namer.invocationName(selector);
   }
 
@@ -95,4 +116,15 @@ class Glue {
         hasBeenInstantiated: hasBeenInstantiated);
   }
 
+
+  String getInterceptorName(Set<ClassElement> interceptedClasses) {
+    return _backend.namer.getInterceptorName(
+        getInterceptorMethod,
+        interceptedClasses);
+  }
+
+  js.Expression getInterceptorLibrary() {
+    return new js.VariableUse(
+        _backend.namer.globalObjectFor(_backend.interceptorsLibrary));
+  }
 }