FORTRAN IV DATA statements

[Steve Kargl]

On Wed, Sep 02, 2009 at 03:45:49PM +0200, Tobias Schlüter wrote:
> 
> Hi Stephan,
> 
> Stephan Buchert wrote:
> [ In Fortran 66 ]
> >the lines
> >
> >      COMMON/DATIME/ISDATE(3),ISTIME(2),NAME(2)
> >      DATA ISDATE/'01-F','EB-0','2   '/,ISTIME/'15:4','9:27'/
> >
> >are ok, the data between the apostrophes being "literal constants."
> >
> >In FORTRAN 77 they would be string constants, but incompatible types of
> >variable and constants in DATA statements were no longer allowed. Thus
> >FORTRAN 77 made legal FORTRAN 66 (and FORTRAN IV) code invalid.
> 
> unfortunately, there are hundreds of legacy extensions to Fortran, and 
> it is quite low priority for us to implement them.  I think to implement 
> this particular extension would be < 10 lines (+ testcases), but I don't 
> believe any of the gfortran maintainers will do it soon, as supporting 
> valid Fortran (2003) has a higher priority.  If there's a good patch, it 
> will be incorporated, but for the time being opening a PR with a 
> reference to this thread and hoping that someone will find this 
> shortcoming important enough an issue to spend their time on it is your 
> best bet.
> 

tobias already opened a PR.

http://gcc.gnu.org/ml/gcc-bugs/2009-09/msg00079.html

-- 
Steve