Support getters and setters.

frog/tests/leg_only/src/GettersSettersTest.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.
 
 class GettersSettersTest {
 
   static int foo;
 
+  static get bar() {
+    return foo;
+  }
+
+  static set bar(newValue) {
+    foo = newValue;
+  }
+
   static testMain() {
     A a = new A();
     a.x = 2;
     Expect.equals(2, a.x);
     Expect.equals(2, a.x_);
 
     // Test inheritance.
     a = new B();
     a.x = 4;
     Expect.equals(4, a.x);
@@ skipping 16 matching lines @@
     a.x_ = 0;
     a[2] += 8;
     Expect.equals(12, a[0]);
 
     // Test calling a function that internally uses getters.
     Expect.equals(true, a.isXPositive());
 
     // Test static fields.
     foo = 42;
     Expect.equals(42, foo);
+    Expect.equals(42, bar);
     A.foo = 43;
     Expect.equals(43, A.foo);
+    Expect.equals(43, A.bar);
 
-    new D().test();
-
-    OverrideField of = new OverrideField();
-    Expect.equals(27, of.getX_());
-
-    ReferenceField rf = new ReferenceField();
-    rf.x_ = 1;
-    Expect.equals(1, rf.getIt());
-    rf.setIt(2);
-    Expect.equals(2, rf.x_);
+    bar = 42;
+    Expect.equals(42, foo);
+    Expect.equals(42, bar);
+    A.bar = 43;
+    Expect.equals(43, A.foo);
+    Expect.equals(43, A.bar);
   }
 }
 
 class A {
-  // TODO(fabiofmv): consider removing once http://b/4254120 is fixed.
-  A() { }
+  A();
   int x_;
   static int foo;
 
   static get bar() {
     return foo;
   }
 
   static set bar(newValue) {
     foo = newValue;
   }
@@ skipping 17 matching lines @@
   void operator []=(int index, int value) {
     x_ = index + value;
   }
 
   int getX_() {
     return x_;
   }
 }
 
 class B extends A {
-  B() : super() {}
+  B();
 }
 
 class C extends A {
   int y_;
 
-  C() : super() {
+  C() {
     this.x_ = 0;
   }
 
   int get x() {
     return y_;
   }
 
   void set x(int value) {
     y_ = value;
   }
 }
 
-class D extends A {
-  D() : super() {}
-
-  var x2_;
-
-  set x(new_x) {
-    x2_ = new_x;
-  }
-
-  test() {
-    x = 87;
-    Expect.equals(87, x2_);
-    x = 42;
-    Expect.equals(42, x2_);
-
-    foo = 0;
-    Expect.equals(0, bar);
-    bar = 1;
-    Expect.equals(1, foo);
-    var tmp = foo;
-    foo += 3;
-    Expect.equals(4, bar);
-    bar += 5;
-    Expect.equals(9, foo);
-  }
-}
-
-class OverrideField extends A {
-  OverrideField() : super() {}
-
-  int get x_() {
-    return 27;
-  }
-}
-
-class ReferenceField extends A {
-  ReferenceField() : super() {}
-
-  setIt(a) {
-     super.x_ = a;
-  }
-
-  int getIt() {
-     return super.x_;
-  }
-}
-
 main() {
   GettersSettersTest.testMain();
 }