fixes #69, avoid module name inside module scope

test/codegen/expect/core/core.js

 var core;
-(function(core) {
+(function(exports) {
   'use strict';
   // Function _symbolToString: (Symbol) → String
   function _symbolToString(symbol) {
     return _internal.Symbol.getName(dart.as(symbol, _internal.Symbol));
   }
   // Function _symbolMapToStringMap: (Map<Symbol, dynamic>) → dynamic
   function _symbolMapToStringMap(map) {
     if (map === null)
       return null;
     let result = new Map();
@@ skipping 2866 matching lines @@
   Uri._schemeTable = /* Unimplemented const */new List.from([0, 0, 26624, 1023, 65534, 2047, 65534, 2047]);
   Uri._schemeLowerTable = /* Unimplemented const */new List.from([0, 0, 26624, 1023, 0, 0, 65534, 2047]);
   Uri._subDelimitersTable = /* Unimplemented const */new List.from([0, 0, 32722, 11263, 65534, 34815, 65534, 18431]);
   Uri._genDelimitersTable = /* Unimplemented const */new List.from([0, 0, 32776, 33792, 1, 10240, 0, 0]);
   Uri._userinfoTable = /* Unimplemented const */new List.from([0, 0, 32722, 12287, 65534, 34815, 65534, 18431]);
   Uri._regNameTable = /* Unimplemented const */new List.from([0, 0, 32754, 11263, 65534, 34815, 65534, 18431]);
   Uri._pathCharTable = /* Unimplemented const */new List.from([0, 0, 32722, 12287, 65535, 34815, 65534, 18431]);
   Uri._pathCharOrSlashTable = /* Unimplemented const */new List.from([0, 0, 65490, 12287, 65535, 34815, 65534, 18431]);
   Uri._queryCharTable = /* Unimplemented const */new List.from([0, 0, 65490, 45055, 65535, 34815, 65534, 18431]);
   // Exports:
-  core.Deprecated = Deprecated;
-  core.deprecated = deprecated;
-  core.override = override;
-  core.proxy = proxy;
-  core.bool = bool;
-  core.Comparable = Comparable;
-  core.Comparable$ = Comparable$;
-  core.DateTime = DateTime;
-  core.double = double;
-  core.Duration = Duration;
-  core.Error = Error;
-  core.AssertionError = AssertionError;
-  core.TypeError = TypeError;
-  core.CastError = CastError;
-  core.NullThrownError = NullThrownError;
-  core.ArgumentError = ArgumentError;
-  core.RangeError = RangeError;
-  core.IndexError = IndexError;
-  core.FallThroughError = FallThroughError;
-  core.AbstractClassInstantiationError = AbstractClassInstantiationError;
-  core.NoSuchMethodError = NoSuchMethodError;
-  core.UnsupportedError = UnsupportedError;
-  core.UnimplementedError = UnimplementedError;
-  core.StateError = StateError;
-  core.ConcurrentModificationError = ConcurrentModificationError;
-  core.OutOfMemoryError = OutOfMemoryError;
-  core.StackOverflowError = StackOverflowError;
-  core.CyclicInitializationError = CyclicInitializationError;
-  core.Exception = Exception;
-  core.FormatException = FormatException;
-  core.IntegerDivisionByZeroException = IntegerDivisionByZeroException;
-  core.Expando = Expando;
-  core.Expando$ = Expando$;
-  core.Function = Function;
-  core.identical = identical;
-  core.identityHashCode = identityHashCode;
-  core.int = int;
-  core.Invocation = Invocation;
-  core.Iterable = Iterable;
-  core.Iterable$ = Iterable$;
-  core.BidirectionalIterator = BidirectionalIterator;
-  core.BidirectionalIterator$ = BidirectionalIterator$;
-  core.Iterator = Iterator;
-  core.Iterator$ = Iterator$;
-  core.List = List;
-  core.List$ = List$;
-  core.Map = Map;
-  core.Map$ = Map$;
-  core.Null = Null;
-  core.num = num;
-  core.Object = Object;
-  core.Pattern = Pattern;
-  core.print = print;
-  core.Match = Match;
-  core.RegExp = RegExp;
-  core.Set = Set;
-  core.Set$ = Set$;
-  core.Sink = Sink;
-  core.Sink$ = Sink$;
-  core.StackTrace = StackTrace;
-  core.Stopwatch = Stopwatch;
-  core.String = String;
-  core.Runes = Runes;
-  core.RuneIterator = RuneIterator;
-  core.StringBuffer = StringBuffer;
-  core.StringSink = StringSink;
-  core.Symbol = Symbol;
-  core.Type = Type;
-  core.Uri = Uri;
+  exports.Deprecated = Deprecated;
+  exports.deprecated = deprecated;
+  exports.override = override;
+  exports.proxy = proxy;
+  exports.bool = bool;
+  exports.Comparable = Comparable;
+  exports.Comparable$ = Comparable$;
+  exports.DateTime = DateTime;
+  exports.double = double;
+  exports.Duration = Duration;
+  exports.Error = Error;
+  exports.AssertionError = AssertionError;
+  exports.TypeError = TypeError;
+  exports.CastError = CastError;
+  exports.NullThrownError = NullThrownError;
+  exports.ArgumentError = ArgumentError;
+  exports.RangeError = RangeError;
+  exports.IndexError = IndexError;
+  exports.FallThroughError = FallThroughError;
+  exports.AbstractClassInstantiationError = AbstractClassInstantiationError;
+  exports.NoSuchMethodError = NoSuchMethodError;
+  exports.UnsupportedError = UnsupportedError;
+  exports.UnimplementedError = UnimplementedError;
+  exports.StateError = StateError;
+  exports.ConcurrentModificationError = ConcurrentModificationError;
+  exports.OutOfMemoryError = OutOfMemoryError;
+  exports.StackOverflowError = StackOverflowError;
+  exports.CyclicInitializationError = CyclicInitializationError;
+  exports.Exception = Exception;
+  exports.FormatException = FormatException;
+  exports.IntegerDivisionByZeroException = IntegerDivisionByZeroException;
+  exports.Expando = Expando;
+  exports.Expando$ = Expando$;
+  exports.Function = Function;
+  exports.identical = identical;
+  exports.identityHashCode = identityHashCode;
+  exports.int = int;
+  exports.Invocation = Invocation;
+  exports.Iterable = Iterable;
+  exports.Iterable$ = Iterable$;
+  exports.BidirectionalIterator = BidirectionalIterator;
+  exports.BidirectionalIterator$ = BidirectionalIterator$;
+  exports.Iterator = Iterator;
+  exports.Iterator$ = Iterator$;
+  exports.List = List;
+  exports.List$ = List$;
+  exports.Map = Map;
+  exports.Map$ = Map$;
+  exports.Null = Null;
+  exports.num = num;
+  exports.Object = Object;
+  exports.Pattern = Pattern;
+  exports.print = print;
+  exports.Match = Match;
+  exports.RegExp = RegExp;
+  exports.Set = Set;
+  exports.Set$ = Set$;
+  exports.Sink = Sink;
+  exports.Sink$ = Sink$;
+  exports.StackTrace = StackTrace;
+  exports.Stopwatch = Stopwatch;
+  exports.String = String;
+  exports.Runes = Runes;
+  exports.RuneIterator = RuneIterator;
+  exports.StringBuffer = StringBuffer;
+  exports.StringSink = StringSink;
+  exports.Symbol = Symbol;
+  exports.Type = Type;
+  exports.Uri = Uri;
 })(core || (core = {}));