Merge CommonElements and BackendHelpers!

pkg/compiler/lib/src/js_emitter/full_emitter/setup_program_builder.dart

 // Copyright (c) 2013, 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.js_emitter.full_emitter;
 
 // TODO(ahe): Share these with js_helper.dart.
 const FUNCTION_INDEX = 0;
 const NAME_INDEX = 1;
 const CALL_NAME_INDEX = 2;
@@ skipping 108 matching lines @@
     'initializeEmptyInstance': initializeEmptyInstanceAccess,
     'allClasses': allClassesAccess,
     'debugFastObjects': DEBUG_FAST_OBJECTS,
     'isTreeShakingDisabled': backend.mirrorsData.isTreeShakingDisabled,
     'precompiled': precompiledAccess,
     'finishedClassesAccess': finishedClassesAccess,
     'needsMixinSupport': emitter.needsMixinSupport,
     'needsNativeSupport': program.needsNativeSupport,
     'enabledJsInterop': backend.jsInteropAnalysis.enabledJsInterop,
     'jsInteropBoostrap': backend.jsInteropAnalysis.buildJsInteropBootstrap(),
-    'isInterceptorClass': namer.operatorIs(backend.helpers.jsInterceptorClass),
+    'isInterceptorClass':
+        namer.operatorIs(compiler.commonElements.jsInterceptorClass),
     'isObject': namer.operatorIs(compiler.commonElements.objectClass),
     'specProperty': js.string(namer.nativeSpecProperty),
     'trivialNsmHandlers': emitter.buildTrivialNsmHandlers(),
     'hasRetainedMetadata': backend.mirrorsData.hasRetainedMetadata,
     'types': typesAccess,
     'objectClassName': js.quoteName(namer.runtimeTypeName(
         // ignore: UNNECESSARY_CAST
         compiler.commonElements.objectClass as Entity)),
     'needsStructuredMemberInfo': emitter.needsStructuredMemberInfo,
     'usesMangledNames': compiler.commonElements.mirrorsLibrary != null ||
@@ skipping 294 matching lines @@
           prototype.#deferredAction();
         }
       }
 
       #trivialNsmHandlers;
 
       var properties = Object.keys(processedClasses.pending);
       for (var i = 0; i < properties.length; i++) finishClass(properties[i]);
     }
 
-    // Generic handler for deferred class setup. The handler updates the 
+    // Generic handler for deferred class setup. The handler updates the
     // prototype that it is installed on (it traverses the prototype chain
     // of [this] to find itself) and then removes itself. It recurses by
     // calling deferred handling again, which terminates on Object due to
     // the final handler.
     function finishAddStubsHelper() {
       var prototype = this;
       // Find the actual prototype that this handler is installed on.
       while (!prototype.hasOwnProperty(#deferredActionString)) {
         prototype = prototype.__proto__;
       }
@@ skipping 272 matching lines @@
           var mangledNames = isStatic ? #mangledGlobalNames : #mangledNames;
           var unmangledName = ${readString("array", "unmangledNameIndex")};
           // The function is either a getter, a setter, or a method.
           // If it is a method, it might also have a tear-off closure.
           // The unmangledName is the same as the getter-name.
           var reflectionName = unmangledName;
           if (getterStubName) mangledNames[getterStubName] = reflectionName;
           if (isSetter) {
             reflectionName += "=";
           } else if (!isGetter) {
-            reflectionName += ":" + 
+            reflectionName += ":" +
                 (requiredParameterCount + optionalParameterCount);
           }
           mangledNames[name] = reflectionName;
           funcs[0].$reflectionNameField = reflectionName;
           funcs[0].$metadataIndexField = unmangledNameIndex + 1;
           // The following line installs the [${JsGetName.CALL_CATCH_ALL}]
           // property for closures.
           if (optionalParameterCount) prototype[unmangledName + "*"] = funcs[0];
         }
       }
@@ skipping 94 matching lines @@
 (function() {
   var result = $array[$index];
   if ($check) {
     throw new Error(
         name + ": expected value of type \'$type\' at index " + ($index) +
         " but got " + (typeof result));
   }
   return result;
 })()''';
 }