Better dependency tracking

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 35 matching lines @@
   }
 
   bool isAnalyzed() => resolutionTree != null;
 }
 
 // TODO(johnniwinther): Split this class into interface and implementation.
 // TODO(johnniwinther): Move this implementation to the JS backend.
 class CodegenRegistry extends Registry {
   final Compiler compiler;
   final TreeElements treeElements;
+  DependencyInformation dependencyInfo;

[sra1, 2014/07/30 21:43:48]

Allocate it (the only DependencyInformation) here, or have the DumpInfoTask own
it.

[Ty Overby (Google), 2014/08/01 16:39:37]

Done.
I got rid of DependencyInformation and use DumpInfoTask.

 
-  CodegenRegistry(this.compiler, this.treeElements);
+  CodegenRegistry(this.compiler, this.treeElements) {
+    this.dependencyInfo = compiler.enqueuer.codegen.dependencyInfo;
+  }
 
   bool get isForResolution => false;
 
   Element get currentElement => treeElements.currentElement;
 
   // TODO(johnniwinther): Remove this getter when [Registry] creates a
   // dependency node.
   Setlet<Element> get otherDependencies => treeElements.otherDependencies;
 
   CodegenEnqueuer get world => compiler.enqueuer.codegen;
   js_backend.JavaScriptBackend get backend => compiler.backend;
 
   void registerDependency(Element element) {
     treeElements.registerDependency(element);
   }
 
   void registerInstantiatedClass(ClassElement element) {
     world.registerInstantiatedClass(element, this);
   }
 
   void registerInstantiatedType(InterfaceType type) {
     world.registerInstantiatedType(type, this);
   }
 
   void registerStaticUse(Element element) {
     world.registerStaticUse(element);
   }
 
   void registerDynamicInvocation(Selector selector) {
     world.registerDynamicInvocation(currentElement, selector);

[sra1, 2014/07/30 21:43:48]

dependencyInfo.elementUsesSelector(currentElement, selector);

[Ty Overby (Google), 2014/08/01 16:39:37]

Done.

   }
 
   void registerDynamicSetter(Selector selector) {
     world.registerDynamicSetter(currentElement, selector);

[sra1, 2014/07/30 21:43:48]

dependencyInfo.elementUsesSelector(currentElement, selector);

[Ty Overby (Google), 2014/08/01 16:39:37]

Done.

   }
 
   void registerDynamicGetter(Selector selector) {
     world.registerDynamicGetter(currentElement, selector);

[sra1, 2014/07/30 21:43:48]

dependencyInfo.elementUsesSelector(currentElement, selector);

[Ty Overby (Google), 2014/08/01 16:39:37]

Done.

   }
 
   void registerGetterForSuperMethod(Element element) {
     world.registerGetterForSuperMethod(element);
   }
 
   void registerFieldGetter(Element element) {
     world.registerFieldGetter(element);
   }
 
@@ skipping 1962 matching lines @@
   static NullSink outputProvider(String name, String extension) {
     return new NullSink('$name.$extension');
   }
 }
 
 /// Information about suppressed warnings and hints for a given library.
 class SuppressionInfo {
   int warnings = 0;
   int hints = 0;
 }