re PR libfortran/51407 (Use of BOZ edit descriptors to edit real and complex data and F2008)

2011-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51407
        * io/transfer.c (require_numeric_type): New function.
        (formatted_transfer_scalar_read, formatted_transfer_scalar_write):
        Use it, allow BOZ edit descriptors with F2008.

2011-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51407
        * gfortran.dg/io_real_boz_3.f90: New.
        * gfortran.dg/io_real_boz_4.f90: New.
        * gfortran.dg/io_real_boz_5.f90: New.

From-SVN: r182132

gcc/fortran/ChangeLog

 2011-12-08  Tobias Burnus  <burnus@net-b.de>
 
+	PR fortran/51407
+	* io/transfer.c (require_numeric_type): New function.
+	(formatted_transfer_scalar_read, formatted_transfer_scalar_write):
+	Use it, allow BOZ edit descriptors with F2008.
+
+2011-12-08  Tobias Burnus  <burnus@net-b.de>
+
 	PR fortran/51448
 	* fortran/trans-array.c (get_std_lbound): Fix handling of
 	conversion functions.

gcc/testsuite/ChangeLog

-2011-12-07  Tobias Burnus  <burnus@net-b.de>
+2011-12-08  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/51407
+	* gfortran.dg/io_real_boz_3.f90: New.
+	* gfortran.dg/io_real_boz_4.f90: New.
+	* gfortran.dg/io_real_boz_5.f90: New.
+
+2011-12-08  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/51448
 	* gfortran.dg/realloc_on_assign_8.f90: New.

gcc/testsuite/gfortran.dg/io_real_boz_3.f90

+! { dg-do  run }
+! { dg-options "-std=f2008" }
+!
+! PR fortran/51407
+!
+! Fortran 2008 allows BOZ edit descriptors for real/complex.
+!
+       real(kind=4) :: x
+       complex(kind=4) :: z
+       character(len=64) :: str1
+
+       x = 1.0_16 + 2.0_16**(-105)
+       z = cmplx (1.0, 2.0)
+
+       write (str1,'(b32)') x
+       read (str1,'(b32)') x
+       write (str1,'(o32)') x
+       read (str1,'(o32)') x
+       write (str1,'(z32)') x
+       read (str1,'(z32)') x
+       write (str1,'(b0)') x
+       write (str1,'(o0)') x
+       write (str1,'(z0)') x
+
+       write (str1,'(2b32)') z
+       read (str1,'(2b32)') z
+       write (str1,'(2o32)') z
+       read (str1,'(2o32)') z
+       write (str1,'(2z32)') z
+       read (str1,'(2z32)') z
+       write (str1,'(2b0)') z
+       write (str1,'(2o0)') z
+       write (str1,'(2z0)') z
+       end

gcc/testsuite/gfortran.dg/io_real_boz_4.f90

+! { dg-do  run }
+! { dg-options "-std=f2003" }
+!
+! PR fortran/51407
+!
+! Valid in F2008, but in F95/F2003:
+! { dg-output "Expected INTEGER for item 1 in formatted transfer, got REAL" }
+! { dg-shouldfail "Only F2003: BOZ edit with REAL" }
+!
+       real(kind=16) :: x
+       character(len=32) :: str1
+       x = 1.0_16 + 2.0_16**(-105)
+       write (str1,'(z32)') x
+       write (str1,'(z0)') x
+       end

gcc/testsuite/gfortran.dg/io_real_boz_5.f90

+! { dg-do  run }
+! { dg-options "-std=f2008" }
+!
+! PR fortran/51407
+!
+! Invalid in F2008 (accepted with -std=gnu)
+! { dg-output "Expected numeric type for item 1 in formatted transfer, got CHARACTER" }
+! { dg-shouldfail "Character type in BOZ" }
+!
+       character(len=32) :: str1
+       x = 1.0_16 + 2.0_16**(-105)
+       write (str1,'(z0)') 'X'
+       end