Support globals in frog isolates.

frog/corejs.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.
 
 /**
  * Generates JS helpers for dart:core. This used to be in a file "core.js".
  * Having them in Dart code means we can easily control which are generated.
  */
 // TODO(jmesserly): one idea to make this cleaner: put these as private "native"
 // methods somewhere in a library that we import. This would be rather elegant
@@ skipping 377 matching lines @@
 Object.prototype.$setindex = function(i, value) { return this[i] = value; }
 Array.prototype.$setindex = function(i, value) { return this[i] = value; }""");
     }
 
     if (useIsolates) {
       if (useWrap0) {
         w.writeln(@"""
 // Wrap a 0-arg dom-callback to bind it with the current isolate:
 function $wrap_call$0(fn) { return fn && fn.wrap$call$0(); }
 Function.prototype.wrap$call$0 = function() {
-  var isolate = $globalState.currentIsolate;
+  var isolateContext = $globalState.currentContext;
   var self = this;
   this.wrap$0 = function() {
-    isolate.eval(self);
+    isolateContext.eval(self);
     $globalState.topEventLoop.run();
   };
   this.wrap$call$0 = function() { return this.wrap$0; };
   return this.wrap$0;
 }""");
       }
       if (useWrap1) {
         w.writeln(@"""
 // Wrap a 1-arg dom-callback to bind it with the current isolate:
 function $wrap_call$1(fn) { return fn && fn.wrap$call$1(); }
 Function.prototype.wrap$call$1 = function() {
-  var isolate = $globalState.currentIsolate;
+  var isolateContext = $globalState.currentContext;
   var self = this;
   this.wrap$1 = function(arg) {
-    isolate.eval(function() { self(arg); });
+    isolateContext.eval(function() { self(arg); });
     $globalState.topEventLoop.run();
   };
   this.wrap$call$1 = function() { return this.wrap$1; };
   return this.wrap$1;
 }""");
       }
       w.writeln(@"""
 var $globalThis = this;
+var $globals = null;
 var $globalState = null;""");
     } else {
       if (useWrap0) {
         w.writeln(@"function $wrap_call$0(fn) { return fn; }");
       }
       if (useWrap1) {
         w.writeln(@"function $wrap_call$1(fn) { return fn; }");
       }
     }
 
     // Write operator helpers
     for (var opImpl in orderValuesByKeys(_usedOperators)) {
       w.writeln(opImpl);
     }
   }
 }