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From: =?UTF-8?Q?Arne_Vajh=C3=B8j?= <arne@vajhoej.dk>
Newsgroups: comp.os.vms
Subject: Re: Clair Grant on VMS code base
Date: Fri, 11 Apr 2025 15:05:09 -0400
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On 4/9/2025 5:10 PM, Lawrence D'Oliveiro wrote:
> On Wed, 9 Apr 2025 16:01:02 -0400, John Reagan wrote:
>> I just looked at the largest MAR file in DCL.  It has 10,000 lines but
>> many are comments and many are macro definitions.  Not actual VAX
>> instructions.
> 
> I would count macro definition bodies in full, and each macro expansion as
> one line. After all, macros are code written once and used multiple times,
> just like function calls as far as source code is concerned.

That definitely makes sense.

But there are still multiple possible counts:
- lines in files
- non-comment and non-blank lines in files
- non-comment and non-blank and non-continued lines in files

;  Macro-32 demo

          .title  loc
         $SSDEF
         .psect  $PDATA quad,pic,con,lcl,shr,noexe,nowrt
fmt:    .ascid  "!SL !SL !SL"
         .psect  $LOCAL quad,pic,con,lcl,noshr,noexe,wrt
buf:    .ascid  "                    "
         .psect  $CODE quad,pic,con,lcl,shr,exe,nowrt
         .entry  loc,^m<>
         pushl   #20
         pushl   #22
         pushl   #24
         pushab  buf
         pushl   #0
         pushab  fmt
         calls   #6, -
                 G^LIB$SYS_FAO
         pushab  buf
         calls   #1, -
                 G^LIB$PUT_OUTPUT
         movl    #SS$_NORMAL, r0
         ret
         .end    loc

But in the C vs Macro-32 discussion I think it about evens out. C got
more blank lines, but Macro-32 (hopefully!) has more comments.

Arne