Move registering of interceptors to the JsBackend.

lib/compiler/implementation/js_backend/backend.dart

Index: lib/compiler/implementation/js_backend/backend.dart
diff --git a/lib/compiler/implementation/js_backend/backend.dart b/lib/compiler/implementation/js_backend/backend.dart
index 9006953008a06a8e154a994fd8e3534c36f98079..a7ec5790036a9ec7ad0ad7382945a830bad48e08 100644
--- a/lib/compiler/implementation/js_backend/backend.dart
+++ b/lib/compiler/implementation/js_backend/backend.dart
@@ -430,6 +430,8 @@ class JavaScriptBackend extends Backend {
   final List<Element> invalidateAfterCodegen;
   ArgumentTypesRegistry argumentTypes;
 
+  Interceptors interceptors;

[kasperl, 2012/09/14 09:04:41]

final?

[karlklose, 2012/10/08 13:15:35]

Done.

+
   List<CompilerTask> get tasks {
     return <CompilerTask>[builder, optimizer, generator, emitter];
   }
@@ -441,6 +443,7 @@ class JavaScriptBackend extends Backend {
         namer = new Namer(compiler),
         returnInfo = new Map<Element, ReturnInfo>(),
         invalidateAfterCodegen = new List<Element>(),
+        interceptors = new Interceptors(compiler),
         super(compiler, constantSystem: JAVA_SCRIPT_CONSTANT_SYSTEM) {
     emitter = new CodeEmitterTask(compiler, namer, generateSourceMap);
     builder = new SsaBuilderTask(this);
@@ -457,6 +460,13 @@ class JavaScriptBackend extends Backend {
     return new JavaScriptItemCompilationContext();
   }
 
+  void onUseSelector(Selector selector, Enqueuer world) {
+    Element interceptor = interceptors.getStaticInterceptorBySelector(selector);
+    if (interceptor !== null) {
+      world.registerStaticUse(interceptor);
+    }
+  }
+
   void enqueueHelpers(Enqueuer world) {
     enqueueAllTopLevelFunctions(compiler.jsHelperLibrary, world);