RE: EXTERNAL: Re: [vhdl-200x] Directional records proposal

From: Jones, Andy D <andy.d.jones@lmco.com>
Date: Fri Jul 13 2012 - 06:30:28 PDT

Paul,

VHDL has built in types, but also allows the user to define new types and subtypes in terms of built-in types or previously defined types.

VHDL has built-in port modes (in, out, inout, buffer, etc.). But there is no means of extending that by defining new composite modes consisting of both built-in and previously defined composite modes.

User-defined modes is what I am calling this ability to define new composite modes for composite (record) types. I do not know whether defining composite modes for arrays is useful or not, but it seems like a logical extension.

Maybe something like "composite modes" is a more appropriate nomenclature?

I'm not married to any nomenclature for this feature; I just want the capability, preferably with semantics that "fit" into the mold of how existing things are done in VHDL.

Andy D Jones
Electrical Engineering
Lockheed Martin Missiles and Fire Control
Dallas TX

-----Original Message-----
From: owner-vhdl-200x@eda.org [mailto:owner-vhdl-200x@eda.org] On Behalf Of Paul Colin Gloster
Sent: Friday, July 13, 2012 5:58 AM
To: vhdl-200x@eda.org
Subject: EXTERNAL: Re: [vhdl-200x] Directional records proposal

Andy:

What did you mean by "user-defined modes"?

Yours sincerely,
Paul Colin Gloster
Received on Fri Jul 13 06:30:53 2012

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