Updated version:
http://cr.openjdk.java.net/~vlivanov/8037210/webrev.03/

- changed the way how arrays of types are created:
        static final BasicType[] ALL_TYPES = BasicType.values();
static final BasicType[] ARG_TYPES = Arrays.copyOf(ALL_TYPES, ALL_TYPES.length-1);

- added a test for BasicType (LambdaFormTest.testBasicType).

Best regards,
Vladimir Ivanov

On 3/22/14 2:08 AM, Vladimir Ivanov wrote:
John, thanks for the feedback.

Updated webrev:
http://cr.openjdk.java.net/~vlivanov/8037210/webrev.02

Also moved LambdaForm.testShortenSignature() into a stand-alone unit test.

Best regards,
Vladimir Ivanov

On 3/21/14 10:54 PM, John Rose wrote:
On Mar 21, 2014, at 8:49 AM, Vladimir Ivanov
<vladimir.x.iva...@oracle.com <mailto:vladimir.x.iva...@oracle.com>>
wrote:

Thanks for the feedback.

What do you think about the following:
http://cr.openjdk.java.net/~vlivanov/8037210/webrev.01/

That looks nice.  Strong typing; who woulda' thunk it.  :-)

The uses of ".ordinal()" are the extra cost relative to using just small
integers.  They seem totally reasonable in the code.

I suggest either wrapping "ordinal" as something like "id" or else
changing temp names like "id" to "ord", to reinforce the use of a common
name.

Don't make the enum class public.  And especially don't make the mutable
arrays public:

+        public static final BasicType[] ALL_TYPES = { L_TYPE, I_TYPE,
J_TYPE, F_TYPE, D_TYPE, V_TYPE };
+        public static final BasicType[] ARG_TYPES = { L_TYPE, I_TYPE,
J_TYPE, F_TYPE, D_TYPE };

— John

P.S.  That would only be safe if we had (what we don't yet) a notion of
frozen arrays like:

+        public static final BasicType final[] ALL_TYPES = { L_TYPE,
I_TYPE, J_TYPE, F_TYPE, D_TYPE, V_TYPE };
+        public static final BasicType final[] ARG_TYPES = { L_TYPE,
I_TYPE, J_TYPE, F_TYPE, D_TYPE };



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