------- Comment #7 from janus at gcc dot gnu dot org 2010-02-25 13:40 -------
(In reply to comment #5)
> (In reply to comment #3)
> > Seems like statements inside a BLOCK are not being resolved at all?!?
>
> Sorry, this is wrong. They are resolved alright. The problem is just that
> 'gfc_pure' does not work (checking if we're inside a pure function).
The BLOCK issue in comment #3 is fixed by the following patch:
Index: gcc/fortran/resolve.c
===================================================================
--- gcc/fortran/resolve.c (revision 157055)
+++ gcc/fortran/resolve.c (working copy)
@@ -11689,18 +11695,30 @@ gfc_impure_variable (gfc_symbol *sym)
}
-/* Test whether a symbol is pure or not. For a NULL pointer, checks the
- symbol of the current procedure. */
+/* Test whether a symbol is pure or not. For a NULL pointer, checks if the
+ current namespace is inside a pure procedure. */
int
gfc_pure (gfc_symbol *sym)
{
symbol_attribute attr;
+ gfc_namespace *ns;
if (sym == NULL)
- sym = gfc_current_ns->proc_name;
- if (sym == NULL)
- return 0;
+ {
+ /* Check if the current namespace or one of its parents
+ belongs to a pure procedure. */
+ for (ns = gfc_current_ns; ns; ns = ns->parent)
+ {
+ sym = ns->proc_name;
+ if (sym == NULL)
+ return 0;
+ attr = sym->attr;
+ if (attr.flavor == FL_PROCEDURE && (attr.pure || attr.elemental))
+ return 1;
+ }
+ return 0;
+ }
attr = sym->attr;
--
janus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |janus at gcc dot gnu dot org
|dot org |
Status|NEW |ASSIGNED
Last reconfirmed|2010-02-25 08:38:03 |2010-02-25 13:40:15
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43169
