isolates refactor: this change introduces 'dart:isolate' as a library. This is a

frog/minfrog

 #!/usr/bin/env node
 //  ********** Library dart:core **************
 //  ********** Natives dart:core **************
 function $defProp(obj, prop, value) {
   Object.defineProperty(obj, prop,
       {value: value, enumerable: false, writable: true, configurable: true});
 }
 Function.prototype.bind = Function.prototype.bind ||
   function(thisObj) {
     var func = this;
@@ skipping 1709 matching lines @@
       hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
       hash ^= hash >> 11;
       return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
 }
 StringImplementation.prototype.compareTo = function(other) {
   'use strict'; return this == other ? 0 : this < other ? -1 : 1;
 }
 StringImplementation.prototype.contains$1 = StringImplementation.prototype.contains;
 StringImplementation.prototype.indexOf$1 = StringImplementation.prototype.indexOf;
 StringImplementation.prototype.substring$1 = StringImplementation.prototype.substring;
-// ********** Code for _Worker **************
 // ********** Code for _ArgumentMismatchException **************
 $inherits(_ArgumentMismatchException, ClosureArgumentMismatchException);
 function _ArgumentMismatchException(_message) {
   this._dart_coreimpl_message = _message;
   ClosureArgumentMismatchException.call(this);
 }
 _ArgumentMismatchException.prototype.toString = function() {
   return ("Closure argument mismatch: " + this._dart_coreimpl_message);
 }
 _ArgumentMismatchException.prototype.toString$0 = _ArgumentMismatchException.prototype.toString;
@@ skipping 1371 matching lines @@
   if (this.useIndex) {
     this.markCorelibTypeUsed("NoSuchMethodException");
     this.ensureDefProp();
     w.writeln($globals.options.disableBoundsChecks ? "$defProp(Object.prototype, '$index', function(i) {\n  $throw(new NoSuchMethodException(this, \"operator []\", [i]));\n});\n$defProp(Array.prototype, '$index', function(i) {\n  return this[i];\n});\n$defProp(String.prototype, '$index', function(i) {\n  return this[i];\n});" : "$defProp(Object.prototype, '$index', function(i) {\n  $throw(new NoSuchMethodException(this, \"operator []\", [i]));\n});\n$defProp(Array.prototype, '$index', function(index) {\n  var i = index | 0;\n  if (i !== index) {\n    throw new IllegalArgumentException('index is not int');\n  } else if (i < 0 || i >= this.length) {\n    throw new IndexOutOfRangeException(index);\n  }\n  return this[i];\n});\n$defProp(String.prototype, '$index', function(i) {\n  return this[i];\n});");
   }
   if (this.useSetIndex) {
     this.markCorelibTypeUsed("NoSuchMethodException");
     this.ensureDefProp();
     w.writeln($globals.options.disableBoundsChecks ? "$defProp(Object.prototype, '$setindex', function(i, value) {\n  $throw(new NoSuchMethodException(this, \"operator []=\", [i, value]));\n});\n$defProp(Array.prototype, '$setindex',\n    function(i, value) { return this[i] = value; });" : "$defProp(Object.prototype, '$setindex', function(i, value) {\n  $throw(new NoSuchMethodException(this, \"operator []=\", [i, value]));\n});\n$defProp(Array.prototype, '$setindex', function(index, value) {\n  var i = index | 0;\n  if (i !== index) {\n    throw new IllegalArgumentException('index is not int');\n  } else if (i < 0 || i >= this.length) {\n    throw new IndexOutOfRangeException(index);\n  }\n  return this[i] = value;\n});");
   }
-  if (this.useIsolates) {
-    if (this.useWrap0) {
-      w.writeln("// Wrap a 0-arg dom-callback to bind it with the current isolate:\nfunction $wrap_call$0(fn) { return fn && fn.wrap$call$0(); }\nFunction.prototype.wrap$call$0 = function() {\n  var isolateContext = $globalState.currentContext;\n  var self = this;\n  this.wrap$0 = function() {\n    isolateContext.eval(self);\n    $globalState.topEventLoop.run();\n  };\n  this.wrap$call$0 = function() { return this.wrap$0; };\n  return this.wrap$0;\n}");
-    }
-    if (this.useWrap1) {
-      w.writeln("// Wrap a 1-arg dom-callback to bind it with the current isolate:\nfunction $wrap_call$1(fn) { return fn && fn.wrap$call$1(); }\nFunction.prototype.wrap$call$1 = function() {\n  var isolateContext = $globalState.currentContext;\n  var self = this;\n  this.wrap$1 = function(arg) {\n    isolateContext.eval(function() { self(arg); });\n    $globalState.topEventLoop.run();\n  };\n  this.wrap$call$1 = function() { return this.wrap$1; };\n  return this.wrap$1;\n}");
-    }
-    w.writeln("var $globalThis = this;\nvar $globals = null;\nvar $globalState = null;");
-  }
-  else {
+  if (!this.useIsolates) {
     if (this.useWrap0) {
       w.writeln("function $wrap_call$0(fn) { return fn; }");
     }
     if (this.useWrap1) {
       w.writeln("function $wrap_call$1(fn) { return fn; }");
     }
   }
   var $$list = orderValuesByKeys(this._usedOperators);
   for (var $$i = $$list.iterator(); $$i.hasNext(); ) {
     var opImpl = $$i.next();
@@ skipping 185 matching lines @@
     this.markLibrariesUsed([$globals.world.coreimpl, $globals.world.corelib, this.main.declaringType.get$library()]);
   }
   $globals.world.numImplType.markUsed();
   $globals.world.stringImplType.markUsed();
   if (this.corejs.useIndex || this.corejs.useSetIndex) {
     if (!$globals.options.disableBoundsChecks) {
       this.markTypeUsed($globals.world.corelib.types.$index("IndexOutOfRangeException"));
       this.markTypeUsed($globals.world.corelib.types.$index("IllegalArgumentException"));
     }
   }
-  if ($globals.world.corelib.types.$index("Isolate").get$isUsed() || $globals.world.coreimpl.types.$index("ReceivePortImpl").get$isUsed()) {
-    if (this.corejs.useWrap0 || this.corejs.useWrap1) {
-      this.genMethod($globals.world.coreimpl.types.$index("IsolateContext").getMember("eval"));
-      this.genMethod($globals.world.coreimpl.types.$index("EventLoop").getMember("run"));
-    }
+  if ($globals.world.isolatelib != null) {
     this.corejs.useIsolates = true;
-    var isolateMain = $globals.world.coreimpl.lookup("startRootIsolate", this.main.get$span());
-    var isolateMainTarget = new TypeValue($globals.world.coreimpl.topType, this.main.get$span());
-    mainCall = isolateMain.invoke(this.mainContext, null, isolateMainTarget, new Arguments(null, [this.main._get(this.mainContext, this.main.definition, null)]));
+    var isolateMain = $globals.world.isolatelib.lookup("startRootIsolate", this.main.get$span());
+    mainCall = isolateMain.invoke(this.mainContext, null, new TypeValue($globals.world.isolatelib.topType, this.main.get$span()), new Arguments(null, [this.main._get(this.mainContext, this.main.definition, null)]));
   }
   this.writeTypes($globals.world.coreimpl);
   this.writeTypes($globals.world.corelib);
   this.writeTypes(this.main.declaringType.get$library());
   if (this._mixins != null) this.writer.write(this._mixins.get$text());
   this.writeDynamicDispatchMetadata();
   this.writeGlobals();
   this.writer.writeln(("" + mainCall.get$code() + ";"));
 }
 WorldGenerator.prototype.markLibrariesUsed = function(libs) {
@@ skipping 10821 matching lines @@
       return li.get$library().get$isCore();
     })
     )) {
       library.imports.add(new LibraryImport(this.corelib));
     }
     this.libraries.$setindex(filename, library);
     this._todo.add(library);
     if (filename == "dart:dom") {
       this.dom = library;
     }
+    else if (filename == "dart:isolate") {
+      this.isolatelib = library;
+    }
   }
   return library;
 }
 World.prototype.process = function() {
   while (this._todo.get$length() > (0)) {
     var todo = this._todo;
     this._todo = [];
     for (var $$i = todo.iterator(); $$i.hasNext(); ) {
       var lib = $$i.next();
       lib.visitSources();
@@ skipping 295 matching lines @@
       this.libDir = temp;
     }
     else {
       this.libDir = "lib";
     }
   }
 }
 // ********** Code for LibraryReader **************
 function LibraryReader() {
   if ($eq$($globals.options.config, "dev")) {
-    this._specialLibs = _map(["dart:core", joinPaths($globals.options.libDir, "corelib.dart"), "dart:coreimpl", joinPaths($globals.options.libDir, "corelib_impl.dart"), "dart:html", joinPaths($globals.options.libDir, "../../client/html/release/html.dart"), "dart:htmlimpl", joinPaths($globals.options.libDir, "../../client/html/release/htmlimpl.dart"), "dart:dom", joinPaths($globals.options.libDir, "../../client/dom/frog/dom_frog.dart"), "dart:json", joinPaths($globals.options.libDir, "../../lib/json/json_frog.dart")]);
+    this._specialLibs = _map(["dart:core", joinPaths($globals.options.libDir, "corelib.dart"), "dart:coreimpl", joinPaths($globals.options.libDir, "corelib_impl.dart"), "dart:html", joinPaths($globals.options.libDir, "../../client/html/release/html.dart"), "dart:htmlimpl", joinPaths($globals.options.libDir, "../../client/html/release/htmlimpl.dart"), "dart:dom", joinPaths($globals.options.libDir, "../../client/dom/frog/dom_frog.dart"), "dart:json", joinPaths($globals.options.libDir, "../../lib/json/json_frog.dart"), "dart:isolate", joinPaths($globals.options.libDir, "../../lib/isolate/isolate_frog.dart")]);
   }
   else if ($eq$($globals.options.config, "sdk")) {
-    this._specialLibs = _map(["dart:core", joinPaths($globals.options.libDir, "core/core_frog.dart"), "dart:coreimpl", joinPaths($globals.options.libDir, "coreimpl/coreimpl_frog.dart"), "dart:html", joinPaths($globals.options.libDir, "html/html.dart"), "dart:htmlimpl", joinPaths($globals.options.libDir, "htmlimpl/htmlimpl.dart"), "dart:dom", joinPaths($globals.options.libDir, "dom/frog/dom_frog.dart"), "dart:json", joinPaths($globals.options.libDir, "json/json_frog.dart")]);
+    this._specialLibs = _map(["dart:core", joinPaths($globals.options.libDir, "core/core_frog.dart"), "dart:coreimpl", joinPaths($globals.options.libDir, "coreimpl/coreimpl_frog.dart"), "dart:html", joinPaths($globals.options.libDir, "html/html.dart"), "dart:htmlimpl", joinPaths($globals.options.libDir, "htmlimpl/htmlimpl.dart"), "dart:dom", joinPaths($globals.options.libDir, "dom/frog/dom_frog.dart"), "dart:json", joinPaths($globals.options.libDir, "json/json_frog.dart"), "dart:isolate", joinPaths($globals.options.libDir, "isolate/isolate_frog.dart")]);
   }
   else {
     $globals.world.error(("Invalid configuration " + $globals.options.config));
   }
 }
 LibraryReader.prototype.readFile = function(fullname) {
   var filename = this._specialLibs.$index(fullname);
   if ($eq$(filename)) {
     filename = fullname;
   }
@@ skipping 317 matching lines @@
 var const$0002 = Object.create(EmptyQueueException.prototype, {});
 var const$0006 = Object.create(IllegalAccessException.prototype, {});
 var const$0007 = ImmutableList.ImmutableList$from$factory([]);
 var const$0009 = new JSSyntaxRegExp("^[a-zA-Z]:/");
 var const$0010 = ImmutableList.ImmutableList$from$factory(["__PROTO__", "prototype", "constructor"]);
 var const$0011 = ImmutableList.ImmutableList$from$factory(["NaN", "Infinity", "undefined", "eval", "parseInt", "parseFloat", "isNan", "isFinite", "decodeURI", "decodeURIComponent", "encodeURI", "encodeURIComponent", "Object", "Function", "Array", "String", "Boolean", "Number", "Date", "RegExp", "Error", "EvalError", "RangeError", "ReferenceError", "SyntaxError", "TypeError", "URIError", "Math", "arguments", "escape", "unescape", "applicationCache", "closed", "Components", "content", "controllers", "crypto", "defaultStatus", "dialogArguments", "directories", "document", "frameElement", "frames", "fullScreen", "globalStorage", "history", "innerHeight", "innerWidth", "length", "location", "locationbar", "localStorage", "menubar", "mozInnerScreenX", "mozInnerScreenY", "mozScreenPixelsPerCssPixel", "name", "navigator", "opener", "outerHeight", "outerWidth", "pageXOffset", "pageYOffset", "parent", "personalbar", "pkcs11", "returnValue", "screen", "scrollbars", "scrollMaxX", "scrollMaxY", "self", "sessionStorage", "sidebar", "status", "statusbar", "toolbar", "top", "window", "alert", "addEventListener", "atob", "back", "blur", "btoa", "captureEvents", "clearInterval", "clearTimeout", "close", "confirm", "disableExternalCapture", "dispatchEvent", "dump", "enableExternalCapture", "escape", "find", "focus", "forward", "GeckoActiveXObject", "getAttention", "getAttentionWithCycleCount", "getComputedStyle", "getSelection", "home", "maximize", "minimize", "moveBy", "moveTo", "open", "openDialog", "postMessage", "print", "prompt", "QueryInterface", "releaseEvents", "removeEventListener", "resizeBy", "resizeTo", "restore", "routeEvent", "scroll", "scrollBy", "scrollByLines", "scrollByPages", "scrollTo", "setInterval", "setResizeable", "setTimeout", "showModalDialog", "sizeToContent", "stop", "uuescape", "updateCommands", "XPCNativeWrapper", "XPCSafeJSOjbectWrapper", "onabort", "onbeforeunload", "onchange", "onclick", "onclose", "oncontextmenu", "ondragdrop", "onerror", "onfocus", "onhashchange", "onkeydown", "onkeypress", "onkeyup", "onload", "onmousedown", "onmousemove", "onmouseout", "onmouseover", "onmouseup", "onmozorientation", "onpaint", "onreset", "onresize", "onscroll", "onselect", "onsubmit", "onunload", "ontouchcancel", "ontouchend", "ontouchmove", "ontouchstart", "ongesturestart", "ongesturechange", "ongestureend", "uneval", "getPrototypeOf", "let", "yield", "abstract", "int", "short", "boolean", "interface", "static", "byte", "long", "char", "final", "native", "synchronized", "float", "package", "throws", "goto", "private", "transient", "implements", "protected", "volatile", "double", "public", "attachEvent", "clientInformation", "clipboardData", "createPopup", "dialogHeight", "dialogLeft", "dialogTop", "dialogWidth", "onafterprint", "onbeforedeactivate", "onbeforeprint", "oncontrolselect", "ondeactivate", "onhelp", "onresizeend", "event", "external", "Debug", "Enumerator", "Global", "Image", "ActiveXObject", "VBArray", "Components", "toString", "getClass", "constructor", "prototype", "valueOf", "Anchor", "Applet", "Attr", "Canvas", "CanvasGradient", "CanvasPattern", "CanvasRenderingContext2D", "CDATASection", "CharacterData", "Comment", "CSS2Properties", "CSSRule", "CSSStyleSheet", "Document", "DocumentFragment", "DocumentType", "DOMException", "DOMImplementation", "DOMParser", "Element", "Event", "ExternalInterface", "FlashPlayer", "Form", "Frame", "History", "HTMLCollection", "HTMLDocument", "HTMLElement", "IFrame", "Image", "Input", "JSObject", "KeyEvent", "Link", "Location", "MimeType", "MouseEvent", "Navigator", "Node", "NodeList", "Option", "Plugin", "ProcessingInstruction", "Range", "RangeException", "Screen", "Select", "Table", "TableCell", "TableRow", "TableSelection", "Text", "TextArea", "UIEvent", "Window", "XMLHttpRequest", "XMLSerializer", "XPathException", "XPathResult", "XSLTProcessor", "java", "Packages", "netscape", "sun", "JavaObject", "JavaClass", "JavaArray", "JavaMember", "$wnd", "$doc", "$entry", "$moduleName", "$moduleBase", "$gwt_version", "$sessionId", "$stack", "$stackDepth", "$location", "call"]);
 var const$0012 = ImmutableList.ImmutableList$from$factory(["break", "delete", "function", "return", "typeof", "case", "do", "if", "switch", "var", "catch", "else", "in", "this", "void", "continue", "false", "instanceof", "throw", "while", "debugger", "finally", "new", "true", "with", "default", "for", "null", "try", "abstract", "double", "goto", "native", "static", "boolean", "enum", "implements", "package", "super", "byte", "export", "import", "private", "synchronized", "char", "extends", "int", "protected", "throws", "class", "final", "interface", "public", "transient", "const", "float", "long", "short", "volatile"]);
 var $globals = {};
 $static_init();
 main();