Which version of VHDL supports delimited comments.

Hi,
I am new to VHDL. The book "The designer's guide to VHDL", 3rd ed.
says:

VHDL-87, -93 and -2002
These versions of VHDL only allow single-line comments, not delimited
comments.

I am very curious which version VHDL allows delimited comments.


Thanks a lot.

fl

fl wrote:

> I am very curious which version VHDL allows delimited comments.

None, but many editors will
comment or uncomment a region.

-- Mike Treseler

Mike Treseler

"fl" <> wrote in message
news:6b3e7763-0ab6-4535-916b-...
> Hi,
> I am new to VHDL. The book "The designer's guide to VHDL", 3rd ed.
> says:
>
> VHDL-87, -93 and -2002
> These versions of VHDL only allow single-line comments, not delimited
> comments.
>
> I am very curious which version VHDL allows delimited comments.

It is supported in VHDL2006/7/8/9 or whatever it will be called. Currently
only Aldec supports part of this new standard.

It is the same as in C/C++, that is, /* ... */

Hans
www.ht-lab.com


>
>
> Thanks a lot.

HT-Lab

Brian Drummond wrote:
> On Wed, 11 Jun 2008 22:06:25 +0100, "HT-Lab" <> wrote:
>
>> "fl" <> wrote in message
>> news:6b3e7763-0ab6-4535-916b-...
>>> Hi,
>>> I am new to VHDL. The book "The designer's guide to VHDL", 3rd ed.
>>> says:
>>>
>>> VHDL-87, -93 and -2002
>>> These versions of VHDL only allow single-line comments, not delimited
>>> comments.
>>>
>>> I am very curious which version VHDL allows delimited comments.
>> It is supported in VHDL2006/7/8/9 or whatever it will be called. Currently
>> only Aldec supports part of this new standard.
>>
>> It is the same as in C/C++, that is, /* ... */
>>
>> Hans
>> www.ht-lab.com
>>
>
> I seriously hope not. I would far rather it was the same as in Modula-2
> etc.

The draft standard for VHDL-2008 does support delimited comments in the
C/C++ style. It does not support nested delimited comments.

--
Tim McBrayer
x4229

Tim McBrayer