Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: =?UTF-8?Q?Arne_Vajh=C3=B8j?= <arne@vajhoej.dk>
Newsgroups: comp.os.vms
Subject: Re: Can C #includes like this be made to work on VMS?
Date: Wed, 16 Oct 2024 19:26:52 -0400
Organization: A noiseless patient Spider
Lines: 30
Message-ID: <vepi3s$2e42b$1@dont-email.me>
References: <vemd23$1qdt1$1@dont-email.me>
 <memo.20241015201538.19028q@jgd.cix.co.uk> <vemfc9$1qphf$1@dont-email.me>
 <vemh9n$1qq0t$1@dont-email.me> <670eff59$0$705$14726298@news.sunsite.dk>
 <671041dd$0$716$14726298@news.sunsite.dk> <vepghu$2e4fp$10@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Thu, 17 Oct 2024 01:26:52 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="5cbbbf2280be16c52b008897aa345113";
	logging-data="2560075"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX19/r0i6weszsMwxssrzx9q8qCtzLRg5o4I="
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:m01slY9npmNqShMwsdo4xL8FQZ8=
Content-Language: en-US
In-Reply-To: <vepghu$2e4fp$10@dont-email.me>
Bytes: 2597

On 10/16/2024 7:00 PM, Lawrence D'Oliveiro wrote:
> On Wed, 16 Oct 2024 18:44:44 -0400, Arne Vajhøj wrote:
>> procedure eve_all_replace(fndstr,rplstr)
>> local fnd_string,
>>         rpl_string, pos_mark, count_integer;
>> if not (eve$prompt_string(fndstr,fnd_string,"Old string: ",
>>                             "No old string given")) then
>>       return;
> 
> When DEC introduced TPU/EVE, I raised my arms to the heavens in joy at
> finally being liberated from the suffering that was EDT. (Hate EDT. Hate,
> hate, hate.)
> 
> Then I left it behind with VMS ... and a few decades later, finally found
> the time to get to grips with Emacs.
> 
> In Emacs/ELisp, there is the distinction between a “function” (what TPU
> would call a “procedure”, I guess) and a “command”. A “function” only
> becomes a “command” when you insert the “(interactive ...)” directive near
> its start. This is a declarative construct that supplies the information
> Emacs uses to obtain the right arguments for the function automatically,
> including prompting the user as necessary, so your code doesn’t have to.

In EVE a procedure EVE_FOOBAR can be called with:
* command FOOBAR ARG ! the EVE_ prefix makes it a command
* command TPU EVE_FOOBAR(ARG) ! only interesting if it does not have the 
EVE_ prefix

Arne