decl.c (gfc_verify_c_interop_param): Permit allocatable and pointer with -std=f2008ts.

2013-05-04  Tobias Burnus  <burnus@net-b.de>

        * decl.c (gfc_verify_c_interop_param): Permit allocatable
        and pointer with -std=f2008ts.

2013-05-04  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/bind_c_array_params.f03: Update dg-error.
        * gfortran.dg/bind_c_usage_27.f90: New.
        * gfortran.dg/bind_c_usage_28.f90: New.

From-SVN: r198597

gcc/fortran/ChangeLog

+2013-05-04  Tobias Burnus  <burnus@net-b.de>
+
+	* decl.c (gfc_verify_c_interop_param): Permit allocatable
+	and pointer with -std=f2008ts.
+
 2013-05-02  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/57142

gcc/fortran/decl.c

@@ -1061,20 +1061,27 @@ gfc_verify_c_interop_param (gfc_symbol *sym)
 	  /* We have to make sure that any param to a bind(c) routine does
 	     not have the allocatable, pointer, or optional attributes,
 	     according to J3/04-007, section 5.1.  */
-	  if (sym->attr.allocatable == 1)
-	    {
-	      gfc_error ("Variable '%s' at %L cannot have the "
-			 "ALLOCATABLE attribute because procedure '%s'"
-			 " is BIND(C)", sym->name, &(sym->declared_at),
-			 sym->ns->proc_name->name);
-	      retval = false;
-	    }
+	  if (sym->attr.allocatable == 1
+	      && !gfc_notify_std (GFC_STD_F2008_TS, "Variable '%s' at %L with "
+				  "ALLOCATABLE attribute in procedure '%s' "
+				  "with BIND(C)", sym->name,
+				  &(sym->declared_at),
+				  sym->ns->proc_name->name))
+	    retval = false;
+
+	  if (sym->attr.pointer == 1
+	      && !gfc_notify_std (GFC_STD_F2008_TS, "Variable '%s' at %L with "
+				  "POINTER attribute in procedure '%s' "
+				  "with BIND(C)", sym->name,
+				  &(sym->declared_at),
+				  sym->ns->proc_name->name))
+	    retval = false;
 
-	  if (sym->attr.pointer == 1)
+	  if ((sym->attr.allocatable || sym->attr.pointer) && !sym->as)
 	    {
-	      gfc_error ("Variable '%s' at %L cannot have the "
-			 "POINTER attribute because procedure '%s'"
-			 " is BIND(C)", sym->name, &(sym->declared_at),
+	      gfc_error ("Scalar variable '%s' at %L with POINTER or "
+			 "ALLOCATABLE in procedure '%s' with BIND(C) is not yet"
+			 " supported", sym->name, &(sym->declared_at),
 			 sym->ns->proc_name->name);
 	      retval = false;
 	    }

gcc/testsuite/ChangeLog

+2013-05-04  Tobias Burnus  <burnus@net-b.de>
+
+	* gfortran.dg/bind_c_array_params.f03: Update dg-error.
+	* gfortran.dg/bind_c_usage_27.f90: New.
+	* gfortran.dg/bind_c_usage_28.f90: New.
+
 2013-05-04  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/51927

gcc/testsuite/gfortran.dg/bind_c_array_params.f03

@@ -9,7 +9,7 @@ contains
     integer(c_int), dimension(:) :: assumed_array
   end subroutine sub0
 
-  subroutine sub1(deferred_array) bind(c) ! { dg-error "cannot" } 
+  subroutine sub1(deferred_array) bind(c) ! { dg-error "TS 29113: Variable 'deferred_array' at .1. with POINTER attribute in procedure 'sub1' with BIND.C." }
     integer(c_int), pointer :: deferred_array(:)
   end subroutine sub1
 end module bind_c_array_params

gcc/testsuite/gfortran.dg/bind_c_usage_27.f90

+! { dg-do compile }
+! { dg-options "-std=f2008ts" }
+!
+! Contributed by Reinhold Bader
+! 
+use iso_c_binding
+type, bind(C) :: cstruct
+  integer :: i
+end type
+interface
+     subroutine psub(this, that) bind(c, name='Psub')
+       import :: c_float, cstruct
+       real(c_float), pointer  :: this(:)
+       type(cstruct), allocatable  :: that(:)
+     end subroutine psub
+  end interface
+end

gcc/testsuite/gfortran.dg/bind_c_usage_28.f90

+! { dg-do compile }
+! { dg-options "-std=f2008" }
+!
+! Contributed by Reinhold Bader
+! 
+use iso_c_binding
+type, bind(C) :: cstruct
+  integer :: i
+end type
+interface
+     subroutine psub(this) bind(c, name='Psub') ! { dg-error "TS 29113: Variable 'this' at .1. with POINTER attribute in procedure 'psub' with BIND.C." }
+       import :: c_float, cstruct
+       real(c_float), pointer  :: this(:)
+     end subroutine psub
+     subroutine psub2(that) bind(c, name='Psub2') ! { dg-error "TS 29113: Variable 'that' at .1. with ALLOCATABLE attribute in procedure 'psub2' with BIND.C." }
+       import :: c_float, cstruct
+       type(cstruct), allocatable  :: that(:)
+     end subroutine psub2
+  end interface
+end