Introduce ClassLike, MemberLike, FieldLike and FunctionLike

pkg/compiler/lib/src/js_emitter/code_emitter_task.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.js_emitter;
 
 const USE_LAZY_EMITTER = const bool.fromEnvironment("dart2js.use.lazy.emitter");
 
 /**
  * Generates the code for all used classes in the program. Static fields (even
@@ skipping 42 matching lines @@
     metadataCollector = new MetadataCollector(compiler, emitter);
   }
 
   String get name => 'Code emitter';
 
   /// Returns the string that is used to find library patches that are
   /// specialized for the emitter.
   String get patchVersion => emitter.patchVersion;
 
   /// Returns the closure expression of a static function.
-  jsAst.Expression isolateStaticClosureAccess(FunctionElement element) {
+  jsAst.Expression isolateStaticClosureAccess(MethodElement element) {
     return emitter.isolateStaticClosureAccess(element);
   }
 
   /// Returns the JS function that must be invoked to get the value of the
   /// lazily initialized static.
   jsAst.Expression isolateLazyInitializerAccess(FieldElement element) {
     return emitter.isolateLazyInitializerAccess(element);
   }
 
   /// Returns the JS code for accessing the embedded [global].
   jsAst.Expression generateEmbeddedGlobalAccess(String global) {
     return emitter.generateEmbeddedGlobalAccess(global);
   }
 
   /// Returns the JS code for accessing the given [constant].
   jsAst.Expression constantReference(ConstantValue constant) {
     return emitter.constantReference(constant);
   }
 
   jsAst.Expression staticFieldAccess(FieldElement e) {
     return emitter.staticFieldAccess(e);
   }
 
   /// Returns the JS function representing the given function.
   ///
   /// The function must be invoked and can not be used as closure.
-  jsAst.Expression staticFunctionAccess(FunctionElement e) {
+  jsAst.Expression staticFunctionAccess(MethodElement e) {
     return emitter.staticFunctionAccess(e);
   }
 
   /// Returns the JS constructor of the given element.
   ///
   /// The returned expression must only be used in a JS `new` expression.
   jsAst.Expression constructorAccess(ClassElement e) {
     return emitter.constructorAccess(e);
   }
 
@@ skipping 102 matching lines @@
   bool isConstantInlinedOrAlreadyEmitted(ConstantValue constant);
 
   /// Returns the JS code for accessing the given [constant].
   jsAst.Expression constantReference(ConstantValue constant);
 
   /// Returns the JS template for the given [builtin].
   jsAst.Template templateForBuiltin(JsBuiltin builtin);
 
   void invalidateCaches();
 }