Implement Function.prototype.toMethod.

src/harmony-classes.js

Index: src/harmony-classes.js
diff --git a/src/harmony-classes.js b/src/harmony-classes.js
new file mode 100644
index 0000000000000000000000000000000000000000..d7b088d12396e25706525a404b1abb5f72b98b87
--- /dev/null
+++ b/src/harmony-classes.js
@@ -0,0 +1,31 @@
+// Copyright 2012 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// This file relies on the fact that the following declarations have been made
+// in runtime.js:
+// var $Function = global.Function;
+// var $Array = global.Array;
+
+
+(function() {
+  function FunctionToMethod(homeObject) {
+    if (!IS_SPEC_FUNCTION(this)) {
+      throw MakeTypeError('toMethod_non_function',
+                          [%ToString(this), typeof this]);

[arv (Not doing code reviews), 2014/08/15 22:28:47]

Maybe TO_STRING_INLINE?

[Dmitry Lomov (no reviews), 2014/08/15 22:56:57]

This is an error case, fine without inlining.

+
+    }
+
+    if (!IS_SPEC_OBJECT(homeObject)) {

[arv (Not doing code reviews), 2014/08/15 22:28:47]

This is wrong order. This test should come before the is function test.

[Dmitry Lomov (no reviews), 2014/08/15 22:56:57]

Good catch. This must be a spec bug. Will file.

+      throw MakeTypeError('toMethod_non_object');

[arv (Not doing code reviews), 2014/08/15 22:28:47]

Maybe include homeObject in the error message?

[Dmitry Lomov (no reviews), 2014/08/15 22:56:57]

Done.

+    }
+
+    return %ToMethod(this, homeObject);
+  }
+
+  %CheckIsBootstrapping();
+
+  InstallFunctions($Function.prototype, DONT_ENUM, $Array(
+        "toMethod", FunctionToMethod

[arv (Not doing code reviews), 2014/08/15 22:28:47]

wrong indentation

[Dmitry Lomov (no reviews), 2014/08/15 22:56:57]

Done.

+  ));
+}());