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re PR fortran/25094 (Procedure with public generic identifier allowed to have argument of private type)

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gcc/fortran:
2007-07-08  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/25094
	* resolve.c (resolve_fl_procedure): Added check for PRIVATE types
	in PUBLIC interfaces.

gcc/testsuite:
2007-07-08  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/25094
	* gfortran.dg/interface_15.f90: New test.

From-SVN: r126466
This commit is contained in:
Daniel Franke 2007-07-08 16:38:58 -04:00 committed by Daniel Franke
parent 298f406494
commit 83b2e4e821
4 changed files with 58 additions and 0 deletions
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6
gcc/fortran/ChangeLog
View File

@ -1,3 +1,9 @@
2007-07-08 Daniel Franke <franke.daniel@gmail.com>
PR fortran/25094
* resolve.c (resolve_fl_procedure): Added check for PRIVATE types
in PUBLIC interfaces.
2007-07-07 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/32644

25
gcc/fortran/resolve.c
View File

@ -6649,6 +6649,8 @@ resolve_fl_procedure (gfc_symbol *sym, int mp_flag)
&& sym->ns->parent->proc_name->attr.flavor == FL_MODULE)
&& gfc_check_access(sym->attr.access, sym->ns->default_access))
{
gfc_interface *iface;
for (arg = sym->formal; arg; arg = arg->next)
{
if (arg->sym
@ -6666,6 +6668,29 @@ resolve_fl_procedure (gfc_symbol *sym, int mp_flag)
return FAILURE;
}
}
/* PUBLIC interfaces may expose PRIVATE procedures that take types
PRIVATE to the containing module. */
for (iface = sym->generic; iface; iface = iface->next)
{
for (arg = iface->sym->formal; arg; arg = arg->next)
{
if (arg->sym
&& arg->sym->ts.type == BT_DERIVED
&& !arg->sym->ts.derived->attr.use_assoc
&& !gfc_check_access (arg->sym->ts.derived->attr.access,
arg->sym->ts.derived->ns->default_access))
{
gfc_error_now ("Procedure '%s' in PUBLIC interface '%s' at %L takes "
"dummy arguments of '%s' which is PRIVATE",
iface->sym->name, sym->name, &iface->sym->declared_at,
gfc_typename(&arg->sym->ts));
/* Stop this message from recurring. */
arg->sym->ts.derived->attr.access = ACCESS_PUBLIC;
return FAILURE;
}
}
}
}
/* An external symbol may not have an initializer because it is taken to be

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2007-07-08 Daniel Franke <franke.daniel@gmail.com>
PR fortran/25094
* gfortran.dg/interface_155555.f90: New test.
2007-07-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* gcc.dg/c99-math-double-1.c, gcc.dg/c99-math-float-1.c,

22
gcc/testsuite/gfortran.dg/interface_15.f90 Normal file
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@ -0,0 +1,22 @@
! { dg-do compile }
! { dg-options "-c" }
! Testcase from PR fortran/25094
! Contributed by Joost VandeVondele <jv244@cam.ac.uk>
MODULE M1
TYPE T1
INTEGER :: I
END TYPE T1
INTERFACE I
MODULE PROCEDURE F1 ! { dg-error "PUBLIC interface" }
END INTERFACE
PRIVATE ! :: T1,F1
PUBLIC :: I
CONTAINS
INTEGER FUNCTION F1(D)
TYPE(T1) :: D
F1 = D%I
END FUNCTION
END MODULE
! { dg-final { cleanup-modules "M1" } }