Create specialized versions of getInterceptor.

sdk/lib/_internal/compiler/implementation/resolution/members.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 resolution;
 
 abstract class TreeElements {
   Element operator[](Node node);
   Selector getSelector(Send send);
   DartType getType(Node node);
@@ skipping 1790 matching lines @@
           target.kind == ElementKind.FOREIGN &&
           selector.name == const SourceString('JS')) {
         world.nativeEnqueuer.registerJsCall(node, this);
       }
     }
 
     // TODO(ngeoffray): Warn if target is null and the send is
     // unqualified.
     useElement(node, target);
     registerSend(selector, target);
+    if (node.isPropertyAccess) {
+      // It might be the closurization of a method.
+      world.registerInstantiatedClass(compiler.functionClass);
+    }
     return node.isPropertyAccess ? target : null;
   }
 
   void warnArgumentMismatch(Send node, Element target) {
     // TODO(karlklose): we can be more precise about the reason of the
     // mismatch.
     warning(node.argumentsNode, MessageKind.INVALID_ARGUMENTS,
             [target.name]);
   }
 
@@ skipping 98 matching lines @@
 
   visitLiteralInt(LiteralInt node) {
     world.registerInstantiatedClass(compiler.intClass);
   }
 
   visitLiteralDouble(LiteralDouble node) {
     world.registerInstantiatedClass(compiler.doubleClass);
   }
 
   visitLiteralBool(LiteralBool node) {
+    world.registerInstantiatedClass(compiler.boolClass);
   }
 
   visitLiteralString(LiteralString node) {
     world.registerInstantiatedClass(compiler.stringClass);
   }
 
   visitLiteralNull(LiteralNull node) {
+    world.registerInstantiatedClass(compiler.nullClass);
   }
 
   visitStringJuxtaposition(StringJuxtaposition node) {
     world.registerInstantiatedClass(compiler.stringClass);
     node.visitChildren(this);
   }
 
   visitNodeList(NodeList node) {
     for (Link<Node> link = node.nodes; !link.isEmpty; link = link.tail) {
       visit(link.head);
@@ skipping 826 matching lines @@
     variables = new VariableListElement.node(
         definitions, ElementKind.VARIABLE_LIST, resolver.enclosingElement);
   }
 
   SourceString visitSendSet(SendSet node) {
     assert(node.arguments.tail.isEmpty); // Sanity check
     resolver.visit(node.arguments.head);
     return visit(node.selector);
   }
 
-  SourceString visitIdentifier(Identifier node) => node.source;
+  SourceString visitIdentifier(Identifier node) {
+    // The variable is initialized to null.
+    resolver.world.registerInstantiatedClass(compiler.nullClass);
+    return node.source;
+  }
 
   visitNodeList(NodeList node) {
     for (Link<Node> link = node.nodes; !link.isEmpty; link = link.tail) {
       SourceString name = visit(link.head);
       VariableElement element =
           new VariableElement(name, variables, kind, link.head);
       resolver.defineElement(link.head, element);
     }
   }
 }
@@ skipping 347 matching lines @@
     return e;
   }
 
   /// Assumed to be called by [resolveRedirectingFactory].
   Element visitReturn(Return node) {
     Node expression = node.expression;
     return finishConstructorReference(visit(expression),
                                       expression, expression);
   }
 }