fixes #131, use before define from variables to classes

lib/runtime/dart/core.js

 var core = dart.defineLibrary(core, {});
 var _js_helper = dart.lazyImport(_js_helper);
 var _internal = dart.lazyImport(_internal);
 var collection = dart.lazyImport(collection);
 var _interceptors = dart.lazyImport(_interceptors);
 var convert = dart.lazyImport(convert);
 (function(exports, _js_helper, _internal, collection, _interceptors, convert) {
   'use strict';
   class Object {
     constructor() {
@@ skipping 58 matching lines @@
   class bool extends Object {
     fromEnvironment(name, opts) {
       let defaultValue = opts && 'defaultValue' in opts ? opts.defaultValue : false;
       throw new UnsupportedError('bool.fromEnvironment can only be used as a const constructor');
     }
     toString() {
       return this ? "true" : "false";
     }
   }
   dart.defineNamedConstructor(bool, 'fromEnvironment');
-  class Function extends Object {
-    static apply(f, positionalArguments, namedArguments) {
-      if (namedArguments === void 0)
-        namedArguments = null;
-      return _js_helper.Primitives.applyFunction(f, positionalArguments, namedArguments == null ? null : Function._toMangledNames(namedArguments));
+  class num extends Object {
+    static parse(input, onError) {
+      if (onError === void 0)
+        onError = null;
+      let source = input.trim();
+      num._parseError = false;
+      let result = int.parse(source, {onError: num._onParseErrorInt});
+      if (!dart.notNull(num._parseError))
+        return result;
+      num._parseError = false;
+      result = double.parse(source, num._onParseErrorDouble);
+      if (!dart.notNull(num._parseError))
+        return result;
+      if (onError == null)
+        throw new FormatException(input);
+      return onError(input);
     }
-    static _toMangledNames(namedArguments) {
-      let result = dart.map();
-      namedArguments.forEach((symbol, value) => {
-        result.set(_symbolToString(dart.as(symbol, Symbol)), value);
-      });
-      return result;
+    static _onParseErrorInt(_) {
+      num._parseError = true;
+      return 0;
+    }
+    static _onParseErrorDouble(_) {
+      num._parseError = true;
+      return 0.0;
     }
   }
+  num[dart.implements] = () => [Comparable$(num)];
+  class int extends num {
+    fromEnvironment(name, opts) {
+      let defaultValue = opts && 'defaultValue' in opts ? opts.defaultValue : null;
+      throw new UnsupportedError('int.fromEnvironment can only be used as a const constructor');
+    }
+    static parse(source, opts) {
+      let radix = opts && 'radix' in opts ? opts.radix : null;
+      let onError = opts && 'onError' in opts ? opts.onError : null;
+      return _js_helper.Primitives.parseInt(source, radix, onError);
+    }
+  }
+  dart.defineNamedConstructor(int, 'fromEnvironment');
   let Comparator$ = dart.generic(function(T) {
-    let Comparator = dart.typedef('Comparator', () => dart.functionType(int, [T, T]));
+    let Comparator = dart.typedef('Comparator', dart.functionType(int, [T, T]));
     return Comparator;
   });
   let Comparator = Comparator$();
   let Comparable$ = dart.generic(function(T) {
     class Comparable extends Object {
       static compare(a, b) {
         return a.compareTo(b);
       }
     }
     return Comparable;
@@ skipping 264 matching lines @@
   DateTime.MAY = 5;
   DateTime.JUNE = 6;
   DateTime.JULY = 7;
   DateTime.AUGUST = 8;
   DateTime.SEPTEMBER = 9;
   DateTime.OCTOBER = 10;
   DateTime.NOVEMBER = 11;
   DateTime.DECEMBER = 12;
   DateTime.MONTHS_PER_YEAR = 12;
   DateTime._MAX_MILLISECONDS_SINCE_EPOCH = 8640000000000000;
-  class num extends Object {
-    static parse(input, onError) {
-      if (onError === void 0)
-        onError = null;
-      let source = input.trim();
-      num._parseError = false;
-      let result = int.parse(source, {onError: num._onParseErrorInt});
-      if (!dart.notNull(num._parseError))
-        return result;
-      num._parseError = false;
-      result = double.parse(source, num._onParseErrorDouble);
-      if (!dart.notNull(num._parseError))
-        return result;
-      if (onError == null)
-        throw new FormatException(input);
-      return onError(input);
-    }
-    static _onParseErrorInt(_) {
-      num._parseError = true;
-      return 0;
-    }
-    static _onParseErrorDouble(_) {
-      num._parseError = true;
-      return 0.0;
-    }
-  }
-  num[dart.implements] = () => [Comparable$(num)];
-  num._parseError = false;
   class double extends num {
     static parse(source, onError) {
       if (onError === void 0)
         onError = null;
       return _js_helper.Primitives.parseDouble(source, onError);
     }
   }
   double.NAN = 0.0 / 0.0;
   double.INFINITY = 1.0 / 0.0;
   double.NEGATIVE_INFINITY = -dart.notNull(double.INFINITY);
@@ skipping 610 matching lines @@
     class Expando extends Object {
       Expando(name) {
         if (name === void 0)
           name = null;
         this.name = name;
       }
       toString() {
         return `Expando:${this.name}`;
       }
       get(object) {
-        let values = _js_helper.Primitives.getProperty(object, Expando._EXPANDO_PROPERTY_NAME);
+        let values = _js_helper.Primitives.getProperty(object, Expando$()._EXPANDO_PROPERTY_NAME);
         return values == null ? null : dart.as(_js_helper.Primitives.getProperty(values, this[_getKey]()), T);
       }
       set(object, value) {
         dart.as(value, T);
-        let values = _js_helper.Primitives.getProperty(object, Expando._EXPANDO_PROPERTY_NAME);
+        let values = _js_helper.Primitives.getProperty(object, Expando$()._EXPANDO_PROPERTY_NAME);
         if (values == null) {
           values = new Object();
-          _js_helper.Primitives.setProperty(object, Expando._EXPANDO_PROPERTY_NAME, values);
+          _js_helper.Primitives.setProperty(object, Expando$()._EXPANDO_PROPERTY_NAME, values);
         }
         _js_helper.Primitives.setProperty(values, this[_getKey](), value);
       }
       [_getKey]() {
-        let key = dart.as(_js_helper.Primitives.getProperty(this, Expando._KEY_PROPERTY_NAME), String);
+        let key = dart.as(_js_helper.Primitives.getProperty(this, Expando$()._KEY_PROPERTY_NAME), String);
         if (key == null) {
           key = `expando$key$${(() => {
-            let x = Expando._keyCount;
-            Expando._keyCount = dart.notNull(x) + 1;
+            let x = Expando$()._keyCount;
+            Expando$()._keyCount = dart.notNull(x) + 1;
             return x;
           })()}`;
-          _js_helper.Primitives.setProperty(this, Expando._KEY_PROPERTY_NAME, key);
+          _js_helper.Primitives.setProperty(this, Expando$()._KEY_PROPERTY_NAME, key);
         }
         return key;
       }
     }
-    Expando._KEY_PROPERTY_NAME = 'expando$key';
-    Expando._EXPANDO_PROPERTY_NAME = 'expando$values';
-    Expando._keyCount = 0;
     return Expando;
   });
   let Expando = Expando$();
+  Expando._KEY_PROPERTY_NAME = 'expando$key';
+  Expando._EXPANDO_PROPERTY_NAME = 'expando$values';
+  Expando._keyCount = 0;
+  class Function extends Object {
+    static apply(f, positionalArguments, namedArguments) {
+      if (namedArguments === void 0)
+        namedArguments = null;
+      return _js_helper.Primitives.applyFunction(f, positionalArguments, namedArguments == null ? null : Function._toMangledNames(namedArguments));
+    }
+    static _toMangledNames(namedArguments) {
+      let result = dart.map();
+      namedArguments.forEach((symbol, value) => {
+        result.set(_symbolToString(dart.as(symbol, Symbol)), value);
+      });
+      return result;
+    }
+  }
   // Function identical: (Object, Object) → bool
   function identical(a, b) {
     return _js_helper.Primitives.identicalImplementation(a, b);
   }
   // Function identityHashCode: (Object) → int
   function identityHashCode(object) {
     return _js_helper.objectHashCode(object);
   }
-  class int extends num {
-    fromEnvironment(name, opts) {
-      let defaultValue = opts && 'defaultValue' in opts ? opts.defaultValue : null;
-      throw new UnsupportedError('int.fromEnvironment can only be used as a const constructor');
-    }
-    static parse(source, opts) {
-      let radix = opts && 'radix' in opts ? opts.radix : null;
-      let onError = opts && 'onError' in opts ? opts.onError : null;
-      return _js_helper.Primitives.parseInt(source, radix, onError);
-    }
-  }
-  dart.defineNamedConstructor(int, 'fromEnvironment');
   class Invocation extends Object {
     get isAccessor() {
       return dart.notNull(this.isGetter) || dart.notNull(this.isSetter);
     }
   }
   let $iterator = dart.JsSymbol('$iterator');
   let $join = dart.JsSymbol('$join');
   let Iterable$ = dart.generic(function(E) {
     class Iterable extends Object {
       Iterable() {
@@ skipping 14 matching lines @@
         let buffer = new StringBuffer();
         buffer.writeAll(this, separator);
         return dart.toString(buffer);
       }
     }
     dart.defineNamedConstructor(Iterable, 'generate');
     return Iterable;
   });
   let Iterable = Iterable$();
   let _Generator$ = dart.generic(function(E) {
-    let _Generator = dart.typedef('_Generator', () => dart.functionType(E, [int]));
+    let _Generator = dart.typedef('_Generator', dart.functionType(E, [int]));
     return _Generator;
   });
   let _Generator = _Generator$();
   let _end = dart.JsSymbol('_end');
   let _start = dart.JsSymbol('_start');
   let _generator = dart.JsSymbol('_generator');
   let $skip = dart.JsSymbol('$skip');
   let $take = dart.JsSymbol('$take');
   let _GeneratorIterable$ = dart.generic(function(E) {
     class _GeneratorIterable extends collection.IterableBase$(E) {
       _GeneratorIterable(end, generator) {
         this[_end] = end;
         this[_start] = 0;
-        this[_generator] = dart.as(generator != null ? generator : _GeneratorIterable._id, _Generator$(E));
+        this[_generator] = dart.as(generator != null ? generator : exports._GeneratorIterable$()._id, _Generator$(E));
         super.IterableBase();
       }
       slice(start, end, generator) {
         this[_start] = start;
         this[_end] = end;
         this[_generator] = generator;
         super.IterableBase();
       }
       get [$iterator]() {
         return new (_GeneratorIterator$(E))(this[_start], this[_end], this[_generator]);
@@ skipping 517 matching lines @@
   let Map = Map$();
   class Null extends Object {
     _uninstantiable() {
       throw new UnsupportedError('class Null cannot be instantiated');
     }
     toString() {
       return "null";
     }
   }
   dart.defineNamedConstructor(Null, '_uninstantiable');
+  num._parseError = false;
   class Pattern extends Object {}
   // Function print: (Object) → void
   function print(object) {
     let line = `${object}`;
     if (_internal.printToZone == null) {
       _internal.printToConsole(line);
     } else {
       dart.dcall(_internal.printToZone, line);
     }
   }
@@ skipping 1671 matching lines @@
   }
   class SupportJsExtensionMethods extends Object {
     SupportJsExtensionMethods() {
     }
   }
   class _ListConstructorSentinel extends Object {
     _ListConstructorSentinel() {
     }
   }
   // Exports:
+  exports.Object = Object;
   exports.JsName = JsName;
-  exports.Object = Object;
   exports.JsPeerInterface = JsPeerInterface;
   exports.SupportJsExtensionMethod = SupportJsExtensionMethod;
   exports.Deprecated = Deprecated;
   exports.deprecated = deprecated;
   exports.override = override;
   exports.proxy = proxy;
   exports.bool = bool;
+  exports.num = num;
+  exports.int = int;
   exports.Comparator$ = Comparator$;
   exports.Comparator = Comparator;
-  exports.Function = Function;
   exports.Comparable$ = Comparable$;
   exports.Comparable = Comparable;
   exports.DateTime = DateTime;
   exports.double = double;
-  exports.num = num;
   exports.Duration = Duration;
   exports.Error = Error;
   exports.AssertionError = AssertionError;
   exports.TypeError = TypeError;
   exports.CastError = CastError;
   exports.NullThrownError = NullThrownError;
   exports.ArgumentError = ArgumentError;
   exports.RangeError = RangeError;
   exports.IndexError = IndexError;
   exports.FallThroughError = FallThroughError;
   exports.AbstractClassInstantiationError = AbstractClassInstantiationError;
   exports.$length = $length;
   exports.$get = $get;
   exports.NoSuchMethodError = NoSuchMethodError;
   exports.UnsupportedError = UnsupportedError;
   exports.UnimplementedError = UnimplementedError;
   exports.StateError = StateError;
   exports.ConcurrentModificationError = ConcurrentModificationError;
   exports.OutOfMemoryError = OutOfMemoryError;
   exports.StackOverflowError = StackOverflowError;
   exports.CyclicInitializationError = CyclicInitializationError;
   exports.Exception = Exception;
   exports.FormatException = FormatException;
   exports.IntegerDivisionByZeroException = IntegerDivisionByZeroException;
   exports.Expando$ = Expando$;
   exports.Expando = Expando;
+  exports.Function = Function;
   exports.identical = identical;
   exports.identityHashCode = identityHashCode;
-  exports.int = int;
   exports.Invocation = Invocation;
   exports.$iterator = $iterator;
   exports.$join = $join;
   exports.Iterable$ = Iterable$;
   exports.Iterable = Iterable;
   exports.$skip = $skip;
   exports.$take = $take;
   exports.BidirectionalIterator$ = BidirectionalIterator$;
   exports.BidirectionalIterator = BidirectionalIterator;
   exports.Iterator$ = Iterator$;
@@ skipping 64 matching lines @@
   exports.Stopwatch = Stopwatch;
   exports.String = String;
   exports.RuneIterator = RuneIterator;
   exports.StringBuffer = StringBuffer;
   exports.StringSink = StringSink;
   exports.Symbol = Symbol;
   exports.Type = Type;
   exports.Uri = Uri;
   exports.SupportJsExtensionMethods = SupportJsExtensionMethods;
 })(core, _js_helper, _internal, collection, _interceptors, convert);