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Re: Thoughts on getting correct line numbers in the byte compiler's warn


From: Alan Mackenzie
Subject: Re: Thoughts on getting correct line numbers in the byte compiler's warning messages
Date: Mon, 12 Nov 2018 14:16:32 +0000
User-agent: Mutt/1.10.1 (2018-07-13)

Hello, Eli.

On Sun, Nov 11, 2018 at 17:53:13 +0200, Eli Zaretskii wrote:
> > Date: Sun, 11 Nov 2018 12:59:45 +0000
> > From: Alan Mackenzie <address@hidden>
> > Cc: Michael Heerdegen <address@hidden>, address@hidden
> > 
> > I've now got this working, and created the new, optimistically named,
> > branch /scratch/accurate-warning-pos.

> Thanks.

>   +/* Return a new located symbol with the specified SYMBOL and LOCATION. */
>   +Lisp_Object
>   +build_located_symbol (Lisp_Object symbol, Lisp_Object location)
>   +{

> I'd prefer something like symbol_with_pos instead, and accordingly in
> other related symbol names.

DONE.

>   +DEFUN ("only-symbol-p", Fonly_symbol_p, Sonly_symbol_p, 1, 1, 0,
>   +       doc: /* Return t if OBJECT is a symbol, but not a located symbol.  
> */
>   +       attributes: const)
>   +  (Lisp_Object object)

> symbol-bare-p?

DONE.  (bare-symbol-p)

[ .... ]

>   diff --git a/src/lisp.h b/src/lisp.h
>   index eb67626..b4fc6f2 100644
>   --- a/src/lisp.h
>   +++ b/src/lisp.h
>   @@ -323,6 +323,64 @@ typedef union Lisp_X *Lisp_Word;
>    typedef EMACS_INT Lisp_Word;
>    #endif

>   +/* A Lisp_Object is a tagged pointer or integer.  Ordinarily it is a
>   +   Lisp_Word.  However, if CHECK_LISP_OBJECT_TYPE, it is a wrapper
>   +   around Lisp_Word, to help catch thinkos like 'Lisp_Object x = 0;'.
>   +
>   +   LISP_INITIALLY (W) initializes a Lisp object with a tagged value
>   +   that is a Lisp_Word W.  It can be used in a static initializer.  */

> Looks like you moved a large chunk of lisp.h to a different place in
> the file.  Any reasons for that?

I've now moved all but a few inline functions back again.

>   +/* FIXME!!! 2018-11-09.  Consider using lisp_h_PSEUDOVECTOR here. */

> What is this FIXME about?

It's gone, the issue having been resolved.

> This needs support in src/.gdbinit and documentation.

Not yet done.

> Thanks again for working in this.

-- 
Alan Mackenzie (Nuremberg, Germany).



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