fixes #146, JS globals were not understood by the renamer

lib/runtime/dart/core.js

 var core;
 (function(exports) {
   'use strict';
   class Object {
     constructor() {
       let name = this.constructor.name;
       let init = this[name];
       let result = void 0;
       if (init)
         result = init.apply(this, arguments);
@@ skipping 82 matching lines @@
   let Comparator = Comparator$();
   let Comparable$ = dart.generic(function(T) {
     class Comparable extends Object {
       static compare(a, b) {
         return a.compareTo(b);
       }
     }
     return Comparable;
   });
   let Comparable = Comparable$();
-  let _internal = dart.JsSymbol('_internal');
+  let _internal$ = dart.JsSymbol('_internal');
   let _now = dart.JsSymbol('_now');
   let _brokenDownDateToMillisecondsSinceEpoch = dart.JsSymbol('_brokenDownDateToMillisecondsSinceEpoch');
   let _MAX_MILLISECONDS_SINCE_EPOCH = dart.JsSymbol('_MAX_MILLISECONDS_SINCE_EPOCH');
   let _fourDigits = dart.JsSymbol('_fourDigits');
   let _sixDigits = dart.JsSymbol('_sixDigits');
   let _threeDigits = dart.JsSymbol('_threeDigits');
   let _twoDigits = dart.JsSymbol('_twoDigits');
   class DateTime extends Object {
     DateTime(year, month, day, hour, minute, second, millisecond) {
       if (month === void 0)
         month = 1;
       if (day === void 0)
         day = 1;
       if (hour === void 0)
         hour = 0;
       if (minute === void 0)
         minute = 0;
       if (second === void 0)
         second = 0;
       if (millisecond === void 0)
         millisecond = 0;
-      this[_internal](year, month, day, hour, minute, second, millisecond, false);
+      this[_internal$](year, month, day, hour, minute, second, millisecond, false);
     }
     utc(year, month, day, hour, minute, second, millisecond) {
       if (month === void 0)
         month = 1;
       if (day === void 0)
         day = 1;
       if (hour === void 0)
         hour = 0;
       if (minute === void 0)
         minute = 0;
       if (second === void 0)
         second = 0;
       if (millisecond === void 0)
         millisecond = 0;
-      this[_internal](year, month, day, hour, minute, second, millisecond, true);
+      this[_internal$](year, month, day, hour, minute, second, millisecond, true);
     }
     now() {
       this[_now]();
     }
     static parse(formattedString) {
       let re = new RegExp('^([+-]?\\d{4,6})-?(\\d\\d)-?(\\d\\d)' + '(?:[ T](\\d\\d)(?::?(\\d\\d)(?::?(\\d\\d)(.\\d{1,6})?)?)?' + '( ?[zZ]| ?([-+])(\\d\\d)(?::?(\\d\\d))?)?)?$');
       let match = re.firstMatch(formattedString);
       if (match != null) {
         // Function parseIntOrZero: (String) → int
         function parseIntOrZero(matched) {
@@ skipping 148 matching lines @@
     }
     subtract(duration) {
       let ms = this.millisecondsSinceEpoch;
       return new DateTime.fromMillisecondsSinceEpoch(dart.notNull(ms) - dart.notNull(duration.inMilliseconds), {isUtc: this.isUtc});
     }
     difference(other) {
       let ms = this.millisecondsSinceEpoch;
       let otherMs = other.millisecondsSinceEpoch;
       return new Duration({milliseconds: dart.notNull(ms) - dart.notNull(otherMs)});
     }
-    [_internal](year, month, day, hour, minute, second, millisecond, isUtc) {
+    [_internal$](year, month, day, hour, minute, second, millisecond, isUtc) {
       this.isUtc = typeof isUtc == 'boolean' ? isUtc : dart.throw_(new ArgumentError(isUtc));
       this.millisecondsSinceEpoch = dart.as(_js_helper.checkInt(_js_helper.Primitives.valueFromDecomposedDate(year, month, day, hour, minute, second, millisecond, isUtc)), int);
     }
     [_now]() {
       this.isUtc = false;
       this.millisecondsSinceEpoch = _js_helper.Primitives.dateNow();
     }
     static [_brokenDownDateToMillisecondsSinceEpoch](year, month, day, hour, minute, second, millisecond, isUtc) {
       return dart.as(_js_helper.Primitives.valueFromDecomposedDate(year, month, day, hour, minute, second, millisecond, isUtc), int);
     }
@@ skipping 29 matching lines @@
       return dart.as(_js_helper.Primitives.getMilliseconds(this), int);
     }
     get weekday() {
       return dart.as(_js_helper.Primitives.getWeekday(this), int);
     }
   }
   DateTime[dart.implements] = () => [Comparable];
   dart.defineNamedConstructor(DateTime, 'utc');
   dart.defineNamedConstructor(DateTime, 'now');
   dart.defineNamedConstructor(DateTime, 'fromMillisecondsSinceEpoch');
-  dart.defineNamedConstructor(DateTime, _internal);
+  dart.defineNamedConstructor(DateTime, _internal$);
   dart.defineNamedConstructor(DateTime, _now);
   DateTime.MONDAY = 1;
   DateTime.TUESDAY = 2;
   DateTime.WEDNESDAY = 3;
   DateTime.THURSDAY = 4;
   DateTime.FRIDAY = 5;
   DateTime.SATURDAY = 6;
   DateTime.SUNDAY = 7;
   DateTime.DAYS_PER_WEEK = 7;
   DateTime.JANUARY = 1;
@@ skipping 1588 matching lines @@
         let numberSignIndex = uri.indexOf('#', dart.notNull(index) + 1);
         if (dart.notNull(numberSignIndex) < 0) {
           query = Uri[_makeQuery](uri, dart.notNull(index) + 1, uri.length, null);
         } else {
           query = Uri[_makeQuery](uri, dart.notNull(index) + 1, numberSignIndex, null);
           fragment = Uri[_makeFragment](uri, dart.notNull(numberSignIndex) + 1, uri.length);
         }
       } else if (char == Uri[_NUMBER_SIGN]) {
         fragment = Uri[_makeFragment](uri, dart.notNull(index) + 1, uri.length);
       }
-      return new Uri[_internal](scheme, userinfo, host, port, path, query, fragment);
+      return new Uri[_internal$](scheme, userinfo, host, port, path, query, fragment);
     }
     static [_fail](uri, index, message) {
       throw new FormatException(message, uri, index);
     }
-    [_internal](scheme, userInfo, host, port, path, query, fragment) {
+    [_internal$](scheme, userInfo, host, port, path, query, fragment) {
       this.scheme = scheme;
       this[_userInfo] = userInfo;
       this[_host] = host;
       this[_port] = port;
       this[_path] = path;
       this[_query] = query;
       this[_fragment] = fragment;
       this[_pathSegments] = null;
       this[_queryParameters] = null;
     }
@@ skipping 14 matching lines @@
         query = null;
       query = Uri[_makeQuery](query, 0, Uri[_stringOrNullLength](query), queryParameters);
       fragment = Uri[_makeFragment](fragment, 0, Uri[_stringOrNullLength](fragment));
       port = Uri[_makePort](port, scheme);
       let isFile = scheme == "file";
       if (host == null && (dart.notNull(userInfo.isNotEmpty) || port != null || dart.notNull(isFile))) {
         host = "";
       }
       let ensureLeadingSlash = host != null;
       path = Uri[_makePath](path, 0, Uri[_stringOrNullLength](path), pathSegments, ensureLeadingSlash, isFile);
-      return new Uri[_internal](scheme, userInfo, host, port, path, query, fragment);
+      return new Uri[_internal$](scheme, userInfo, host, port, path, query, fragment);
     }
     http(authority, unencodedPath, queryParameters) {
       if (queryParameters === void 0)
         queryParameters = null;
       return Uri[_makeHttpUri]("http", authority, unencodedPath, queryParameters);
     }
     https(authority, unencodedPath, queryParameters) {
       if (queryParameters === void 0)
         queryParameters = null;
       return Uri[_makeHttpUri]("https", authority, unencodedPath, queryParameters);
@@ skipping 189 matching lines @@
       if (query != null || dart.notNull(queryParameters != null)) {
         query = Uri[_makeQuery](query, 0, Uri[_stringOrNullLength](query), queryParameters);
       } else if (this.hasQuery) {
         query = this.query;
       }
       if (fragment != null) {
         fragment = Uri[_makeFragment](fragment, 0, fragment.length);
       } else if (this.hasFragment) {
         fragment = this.fragment;
       }
-      return new Uri[_internal](scheme, userInfo, host, port, path, query, fragment);
+      return new Uri[_internal$](scheme, userInfo, host, port, path, query, fragment);
     }
     get pathSegments() {
       if (this[_pathSegments] == null) {
         let pathToSplit = !dart.notNull(this.path.isEmpty) && this.path.codeUnitAt(0) == Uri[_SLASH] ? this.path.substring(1) : this.path;
         this[_pathSegments] = new collection.UnmodifiableListView(pathToSplit == "" ? /* Unimplemented const */dart.setType([], List$(String)) : pathToSplit.split("/")[exports.$map](Uri.decodeComponent)[exports.$toList]({growable: false}));
       }
       return this[_pathSegments];
     }
     get queryParameters() {
       if (this[_queryParameters] == null) {
@@ skipping 413 matching lines @@
             }
             if (reference.hasQuery)
               targetQuery = reference.query;
           }
           targetUserInfo = this[_userInfo];
           targetHost = this[_host];
           targetPort = this[_port];
         }
       }
       let fragment = reference.hasFragment ? reference.fragment : null;
-      return new Uri[_internal](targetScheme, targetUserInfo, targetHost, targetPort, targetPath, targetQuery, fragment);
+      return new Uri[_internal$](targetScheme, targetUserInfo, targetHost, targetPort, targetPath, targetQuery, fragment);
     }
     get hasAuthority() {
       return this[_host] != null;
     }
     get hasPort() {
       return this[_port] != null;
     }
     get hasQuery() {
       return this[_query] != null;
     }
@@ skipping 339 matching lines @@
             bytes[exports.$add](codeUnit);
           }
         }
       }
       return encoding.decode(bytes);
     }
     static [_isAlphabeticCharacter](codeUnit) {
       return dart.notNull(codeUnit) >= dart.notNull(Uri[_LOWER_CASE_A]) && dart.notNull(codeUnit) <= dart.notNull(Uri[_LOWER_CASE_Z]) || dart.notNull(codeUnit) >= dart.notNull(Uri[_UPPER_CASE_A]) && dart.notNull(codeUnit) <= dart.notNull(Uri[_UPPER_CASE_Z]);
     }
   }
-  dart.defineNamedConstructor(Uri, _internal);
+  dart.defineNamedConstructor(Uri, _internal$);
   dart.defineNamedConstructor(Uri, 'http');
   dart.defineNamedConstructor(Uri, 'https');
   dart.defineNamedConstructor(Uri, 'file');
   Uri._SPACE = 32;
   Uri._DOUBLE_QUOTE = 34;
   Uri._NUMBER_SIGN = 35;
   Uri._PERCENT = 37;
   Uri._ASTERISK = 42;
   Uri._PLUS = 43;
   Uri._DOT = 46;
@@ skipping 128 matching lines @@
   exports.Symbol = Symbol;
   exports.Type = Type;
   exports.$forEach = $forEach;
   exports.$map = $map;
   exports.$toList = $toList;
   exports.$isEmpty = $isEmpty;
   exports.$removeLast = $removeLast;
   exports.$fold = $fold;
   exports.Uri = Uri;
 })(core || (core = {}));