Split World usage into open, inference, and closed world.

pkg/compiler/lib/src/js_emitter/program_builder/program_builder.dart

 // Copyright (c) 2014, 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.
 
 library dart2js.js_emitter.program_builder;
 
 import '../../closure.dart' show ClosureFieldElement;
 import '../../common.dart';
 import '../../common/names.dart' show Names, Selectors;
 import '../../compiler.dart' show Compiler;
@@ skipping 653 matching lines @@
 
   bool _methodCanBeReflected(FunctionElement method) {
     return backend.isAccessibleByReflection(method) ||
         // During incremental compilation, we have to assume that reflection
         // *might* get enabled.
         _compiler.options.hasIncrementalSupport;
   }
 
   bool _methodCanBeApplied(FunctionElement method) {
     return _compiler.enabledFunctionApply &&
-        _compiler.world.getMightBePassedToApply(method);
+        _compiler.closedWorld.getMightBePassedToApply(method);
   }
 
   // TODO(herhut): Refactor incremental compilation and remove method.
   Method buildMethodHackForIncrementalCompilation(FunctionElement element) {
     assert(_compiler.options.hasIncrementalSupport);
     if (element.isInstanceMember) {
       return _buildMethod(element);
     } else {
       return _buildStaticMethod(element);
     }
@@ skipping 39 matching lines @@
         : null;
 
     if (isNotApplyTarget) {
       canTearOff = false;
     } else {
       if (element.enclosingClass.isClosure) {
         canTearOff = false;
         isClosureCallMethod = true;
       } else {
         // Careful with operators.
-        canTearOff = universe.hasInvokedGetter(element, _compiler.world) ||
-            (canBeReflected && !element.isOperator);
+        canTearOff =
+            universe.hasInvokedGetter(element, _compiler.closedWorld) ||
+                (canBeReflected && !element.isOperator);
         assert(canTearOff ||
             !universe.methodsNeedingSuperGetter.contains(element));
         tearOffName = namer.getterForElement(element);
       }
     }
 
     if (canTearOff) {
       assert(invariant(element, !element.isGenerativeConstructor));
       assert(invariant(element, !element.isGenerativeConstructorBody));
       assert(invariant(element, !element.isConstructor));
@@ skipping 229 matching lines @@
       Constant constant = new Constant(name, holder, constantValue);
       _constants[constantValue] = constant;
     }
   }
 
   Holder _registerStaticStateHolder() {
     return _registry.registerHolder(namer.staticStateHolder,
         isStaticStateHolder: true);
   }
 }