Re: Fwd: [Help-gnucap] inline comment delimiter

> On Tuesday 15 September 2009, asomers@... wrote:
>> Here's a thread that started out on gnucap-help:
>>
>> What is the inline comment delimiter in gnucap,
>
> It depends on the language plugin, but mostly it doesn't work.
> Let's fix it now.
>
> Gnucap accepts several different simulation languages.  What is
> the comment delimiter should depend on what language you are
> using.
>
>> and what
>>  should it be?
>
> With the language plugins, it is possible to have exact
> compatibility with most other simulators, even the different
> incompatible versions of Spice.
>
> As it stands, compatibility isn't perfect, but Hspice and Eldo
> have been treated as the "spice" versions for which the highest
> compatibility is desired.
>
>> According to the manual for V0.35, the delimiter is quote.
>>  It doesn't say whether that is single quote or double quote.
>
> That's unclear. .. The manual is being rewritten completely.
> The new version is on the wiki at:
> http://gnucap.org/dokuwiki/doku.php?id=gnucap:manual
>
>> From experiment, it seems that ' starts a comment on my
>> lines, but " starts a comment on a .SUBCKT line.
>
> Several characters are accepted to start whole-line comments,
> going back a long time when different versions of spice used
> different characters.  Since there was no standard, accept all
> of them.
>
> I think it has converged to "*".  Correct me if I am wrong.
>
> It is easy to change it to just about anything.  So, since the
> example is Spice format ..  What do the different versions of
> Spice do?
>
> (Hspice, Pspice, NGspice, LTspice, Eldo, Multi-sim, Smart-spice,
> .....)
>
> There is another issue now ...  You can have parameter
> expressions.  It looks like Hspice and Eldo want them in single
> quotes.  Pspice appears to want curly braces.  What else is
> there?
>
> Another comment issue is how comments mix with extension lines.
> It seems to be different in different simulators.
>
>
>
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