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Re: [gomp3] Handle tabs like spaces

From: Tobias Burnus <burnus at net-b dot de>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: gcc-patches at gcc dot gnu dot org, fortran at gcc dot gnu dot org
Date: Tue, 27 May 2008 16:04:07 +0200
Subject: Re: [gomp3] Handle tabs like spaces
Newsgroups: gmane.comp.gcc.patches, gmane.comp.gcc.fortran
References: <20080527122157.GH16061@devserv.devel.redhat.com>

Jakub Jelinek wrote:

Pedantically !$omp must be followed by space to be valid, but seems
there are several OpenMP Fortran sources in the wild which use tabs.
The following patch accepts them (gfc_gobble_whitespace will take
care of pedantic warnings about tabs).

Old version: A warning is printed unconditionally and "!OMP$\t" lines are regarded as comment.

This patch: "!OMP$\t" is regarded as "!OMP$ " and no warning is ever printed.

Note: The warning does not seem to work for

!OMP$\tparallel

it only becomes active for

!OMP$\t\tparallel

I think one can change the behaviour to allow "!OMP$\t", but either by default or when using -pedantic a warning should be printed.

Tobias

References:
- [gomp3] Handle tabs like spaces
  - From: Jakub Jelinek

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