Operators.

frog/leg/namer.dart

 // Copyright (c) 2011, 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.
 
 /**
  * Assigns JavaScript identifiers to Dart variables, class-names and members.
  */
 class Namer {
   final Compiler compiler;
 
   static final CLOSURE_INVOCATION_NAME = const SourceString('\$call');
+  // Remember to update core.dart 'eq' and 'eqNull' methods if you change
+  // this name.
+  static final OPERATOR_EQUALS = const SourceString('operator\$eq');
 
   static Set<String> _jsReserved = null;
   Set<String> get jsReserved() {
     if (_jsReserved === null) {
       _jsReserved = new Set<String>();
       _jsReserved.addAll(JsNames.javaScriptKeywords);
       _jsReserved.addAll(JsNames.reservedPropertySymbols);
     }
     return _jsReserved;
   }
@@ skipping 31 matching lines @@
     return 'get\$$name';
   }
 
   /**
    * Returns a preferred JS-id for the given top-level or static element.
    * The returned id is guaranteed to be a valid JS-id.
    */
   String _computeGuess(Element element) {
     assert(!element.isInstanceMember());
     if (element.kind == ElementKind.GENERATIVE_CONSTRUCTOR) {
-      SourceString name = getConstructorName(element);
       FunctionElement functionElement = element;
-      return instanceMethodName(name, functionElement.parameterCount(compiler));
+      return instanceMethodName(
+          element.name, functionElement.parameterCount(compiler));
     } else {
       // TODO(floitsch): deal with named constructors.
       String name = '${element.name}';
       if (element.kind == ElementKind.FUNCTION) {
         FunctionElement functionElement = element;
         name = '$name\$${functionElement.parameterCount(compiler)}';
       }
       // Prefix the name with '$' if it is reserved.
       if (jsReserved.contains(name)) {
         name = "\$$name";
         assert(!jsReserved.contains(name));
       }
       return name;
     }
   }
 
   String getBailoutName(Element element) {
     return '${getName(element)}\$bailout';
   }
 
-  SourceString getConstructorName(FunctionElement constructor) {
-    String dartName = constructor.name.stringValue;
-    return new SourceString(dartName.replaceFirst('\.', '\$'));
-  }
-
   /**
    * Returns a preferred JS-id for the given element. The returned id is
    * guaranteed to be a valid JS-id. Globals and static fields are furthermore
    * guaranteed to be unique.
    *
    * For accessing statics consider calling
    * [isolateAccess]/[isolateBailoutAccess] or [isolatePropertyAccess] instead.
    */
   String getName(Element element) {
     if (element.isInstanceMember()) {
       SourceString name;
       if (element.kind == ElementKind.GENERATIVE_CONSTRUCTOR_BODY) {
         ConstructorBodyElement bodyElement = element;
-        SourceString name = getConstructorName(bodyElement.constructor);
+        SourceString name = bodyElement.constructor.name;
         return instanceMethodName(name, bodyElement.parameterCount(compiler));
       } else if (element.kind == ElementKind.FUNCTION) {
         FunctionElement functionElement = element;
         int parameterCount = functionElement.parameterCount(compiler);
         return instanceMethodName(element.name, parameterCount);
       } else {
         return instanceFieldName(element.name);
       }
     } else {
       // Dealing with a top-level or static element.
@@ skipping 51 matching lines @@
   }
 
   String isolateBailoutAccess(Element element) {
     return '${isolateAccess(element)}\$bailout';
   }
 
   String operatorIs(ClassElement element) {
     return 'is\$${getName(element)}';
   }
 }