From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
To: "Thomas Koenig" <tkoenig@netcologne.de>,
gcc-patches@gcc.gnu.org, "Thomas König" <tk@tkoenig.net>,
"Tobias Burnus" <tobias@codesourcery.com>,
"fortran@gcc.gnu.org" <fortran@gcc.gnu.org>
Subject: Re: [patch, fortran] Load scalar intent-in variables at the beginning of procedures
Date: Wed, 20 Nov 2019 18:00:00 -0000 [thread overview]
Message-ID: <49A0C81F-85BA-477E-A70C-1AC077EAEA2A@gmail.com> (raw)
In-Reply-To: <56a5680e-5e48-4d74-dfca-0a083aae8a3c@netcologne.de>
On 19 November 2019 23:54:55 CET, Thomas Koenig <tkoenig@netcologne.de> wrote:
>Am 19.11.19 um 11:39 schrieb Bernhard Reutner-Fischer:
>> + char name[GFC_MAX_SYMBOL_LEN + 1];
>> + snprintf (name, GFC_MAX_SYMBOL_LEN, "__dummy_%d_%s", var_num++,
>> + f->sym->name);
>> +
>> + if (gfc_get_sym_tree (name, ns, &symtree, false) != 0)
>>
>> (I) you should + sizeof(__dummy__) + 10 for unsigned long %d or the
>like.
>
>GFC_MAX_SYMBOL_LEN is the maximum length of a gfortran symbol. AFAIK,
This is only true for user-provided names in the source code.
Think e.g. class names as can be seen in the dumps..
>it
>is not possible to use a longer symbol name than that, so it needs to
>be
>truncated. Uniqueness of the variable name is guaranteed by the var_num
>variable.
>
>If the user puts dummy arguments Supercalifragilisticexpialidociousa
>and
>Supercalifragilisticexpialidociousb into the argument list of a
>procedure, he will have to look at the numbers to differentiate them
>:-)
>
>> (II) s/__dummy/__intent_in/ for clarity?
>
>It's moved away a bit from INTENT(IN) now, because an argument which
>cannot be modified (even by passing to a procedure with a dummy
>argument
>with unknown intent) is now also handled.
So maybe __readonly_ , __rdonly_, __rd_or the like? dummy is really misleading a name in the dumps..
thanks,
next prev parent reply other threads:[~2019-11-20 18:00 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-11 21:57 Thomas König
2019-11-11 22:08 ` Thomas Koenig
2019-11-11 22:53 ` Janne Blomqvist
2019-11-11 23:02 ` Thomas König
2019-11-12 7:48 ` Janne Blomqvist
2019-11-12 12:50 ` Thomas König
2019-11-12 14:33 ` Tobias Burnus
2019-11-12 17:22 ` Thomas König
2019-11-15 7:41 ` Tobias Burnus
2019-11-15 18:07 ` Thomas König
2019-11-16 20:42 ` Thomas Koenig
2019-11-19 10:46 ` Bernhard Reutner-Fischer
2019-11-19 23:04 ` Thomas Koenig
2019-11-20 18:00 ` Bernhard Reutner-Fischer [this message]
2019-11-20 20:45 ` Janne Blomqvist
2019-11-20 21:07 ` Steve Kargl
2019-11-20 21:35 ` Bernhard Reutner-Fischer
2019-11-20 20:46 ` Janne Blomqvist
2019-11-20 21:39 ` Thomas König
2019-11-20 22:19 ` Janne Blomqvist
2019-11-20 22:32 ` Janne Blomqvist
2019-11-21 9:35 ` Janne Blomqvist
2019-11-20 22:37 ` Tobias Burnus
2019-11-20 22:41 ` Thomas König
2019-11-20 22:30 ` Tobias Burnus
2019-11-21 9:41 ` Tobias Burnus
2019-11-21 12:30 ` Richard Biener
2019-11-21 13:17 ` Tobias Burnus
2019-11-21 13:37 ` Tobias Burnus
2019-11-21 14:10 ` Richard Biener
2019-11-21 14:39 ` Tobias Burnus
2019-11-22 10:44 ` Tobias Burnus
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