Hide ClosureMirror.findInContext behind a flag for 1.0.

tests/lib/mirrors/find_in_context_private_test.dart

+// Copyright (c) 2013, 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.
+
+// VMOptions=--support_find_in_context=true
+
+library test.find_in_context_private;
+
+import "dart:mirrors";
+import "package:expect/expect.dart";
+
+var _globalVariable = "globalVariable";
+_globalFoo() => 17;
+
+class S {
+  static _staticFooInS() => "staticFooInS";
+  static var _staticInS = "staticInS";
+  var _instanceInS = "instanceInS";
+}
+
+class C extends S {
+  static _staticFooInC() => "staticFooInC";
+  static var _staticInC = "staticInC";
+  var _instanceInC = "instanceInC";
+
+  _method() {
+    var _local = "local";
+    nested() {
+      var _innerLocal = "innerLocal";
+      print(this._instanceInC);
+      print(_local);
+      print(_innerLocal);
+    }
+    return nested;
+  }
+
+}
+
+doFindInContext(cm, name, value) {
+  Expect.equals(value,
+                cm.findInContext(name).reflectee);
+}
+dontFindInContext(cm, name) {
+  Expect.isNull(cm.findInContext(name));
+}
+
+main() {
+  LibraryMirror wrongLibrary = reflectClass(List).owner;
+  p(name) => MirrorSystem.getSymbol(name, wrongLibrary);
+
+  C c = new C();
+
+  // In the context of C._method.nested.
+  ClosureMirror cm = reflect(c._method());
+
+  // N.B.: innerLocal is only defined with respective to an activation of the
+  // closure 'nested', not the closure itself.
+  dontFindInContext(cm, #_innerLocal);
+
+  doFindInContext(cm, #_local, "local");
+  doFindInContext(cm, #_method, c._method);
+  doFindInContext(cm, #_instanceInC, "instanceInC");
+  doFindInContext(cm, #_staticInC, "staticInC");
+  doFindInContext(cm, #_staticFooInC, C._staticFooInC);
+  dontFindInContext(cm, #_staticInS);
+  dontFindInContext(cm, #_staticFooInS);
+  doFindInContext(cm, #_globalFoo, _globalFoo);
+  doFindInContext(cm, #_globalVariable, "globalVariable");
+
+  dontFindInContext(cm, p('_local'));
+  dontFindInContext(cm, p('_innerLocal'));
+  dontFindInContext(cm, p('_method'));
+  dontFindInContext(cm, p('_instanceInC'));
+  dontFindInContext(cm, p('_staticInC'));
+  dontFindInContext(cm, p('_staticFooInC'));
+  dontFindInContext(cm, p('_staticInS'));
+  dontFindInContext(cm, p('_staticFooInS'));
+  dontFindInContext(cm, p('_globalFoo'));
+  dontFindInContext(cm, p('_globalVariable'));
+
+  // In the context of C._method.
+  cm = reflect(c._method);
+  dontFindInContext(cm, #_innerLocal);
+  dontFindInContext(cm, #_local);  // N.B.: See above.
+  doFindInContext(cm, #_method, c._method);
+  doFindInContext(cm, #_instanceInC, "instanceInC");
+  doFindInContext(cm, #_staticInC, "staticInC");
+  doFindInContext(cm, #_staticFooInC, C._staticFooInC);
+  dontFindInContext(cm, #_staticInS);
+  dontFindInContext(cm, #_staticFooInS);
+  doFindInContext(cm, #_globalFoo, _globalFoo);
+  doFindInContext(cm, #_globalVariable, "globalVariable");
+
+  dontFindInContext(cm, p('_local'));
+  dontFindInContext(cm, p('_innerLocal'));
+  dontFindInContext(cm, p('_method'));
+  dontFindInContext(cm, p('_instanceInC'));
+  dontFindInContext(cm, p('_staticInC'));
+  dontFindInContext(cm, p('_staticFooInC'));
+  dontFindInContext(cm, p('_staticInS'));
+  dontFindInContext(cm, p('_staticFooInS'));
+  dontFindInContext(cm, p('_globalFoo'));
+  dontFindInContext(cm, p('_globalVariable'));
+}