Check for cyclic reference in typedefs

sdk/lib/_internal/compiler/implementation/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.
 
 part of dart2js;
 
 /**
  * If true, print a warning for each method that was resolved, but not
  * compiled.
  */
@@ skipping 67 matching lines @@
     assert(invariant(element, resolutionTree != null,
         message: 'Resolution tree is null for $element in codegen work item'));
   }
 
   void run(Compiler compiler, CodegenEnqueuer world) {
     if (world.isProcessed(element)) return;
     compiler.codegen(this, world);
   }
 }
 
+typedef void PostProcess();

[ahe, 2013/04/02 08:22:39]

I'd call this PostProcessAction or VoidFunction.

[Johnni Winther, 2013/04/02 09:40:14]

PostProcessAction it is.

+
+class PostProcessing {

[ahe, 2013/04/02 08:22:39]

I'd call this PostProcessTask.

[Johnni Winther, 2013/04/02 09:40:14]

Done.

+  final Element element;
+  final PostProcess process;
+
+  PostProcessing(this.element, this.process);
+}
+
 class ReadingFilesTask extends CompilerTask {
   ReadingFilesTask(Compiler compiler) : super(compiler);
   String get name => 'Reading input files';
 }
 
 abstract class Backend {
   final Compiler compiler;
   final ConstantSystem constantSystem;
 
   Backend(this.compiler,
@@ skipping 730 matching lines @@
   void processQueue(Enqueuer world, Element main) {
     world.nativeEnqueuer.processNativeClasses(libraries.values);
     if (main != null) {
       world.addToWorkList(main);
     }
     progress.reset();
     world.forEach((WorkItem work) {
       withCurrentElement(work.element, () => work.run(this, world));
     });
     world.queueIsClosed = true;
+    world.forEachPostProcessing((PostProcessing work) {
+      withCurrentElement(work.element, () => work.process());
+    });
     if (compilationFailed) return;
     assert(world.checkNoEnqueuedInvokedInstanceMethods());
     if (DUMP_INFERRED_TYPES && phase == PHASE_COMPILING) {
       backend.dumpInferredTypes();
     }
   }
 
   /**
    * Perform various checks of the queues. This includes checking that
    * the queues are empty (nothing was added after we stopped
@@ skipping 415 matching lines @@
 
   void close() {}
 
   toString() => name;
 
   /// Convenience method for getting an [api.CompilerOutputProvider].
   static NullSink outputProvider(String name, String extension) {
     return new NullSink('$name.$extension');
   }
 }