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-rw-r--r--gcc/fortran/resolve.c107
1 files changed, 78 insertions, 29 deletions
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index d96b332..94c21be 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -454,7 +454,8 @@ resolve_formal_arglist (gfc_symbol *proc)
static void
find_arglists (gfc_symbol *sym)
{
- if (sym->attr.if_source == IFSRC_UNKNOWN || sym->ns != gfc_current_ns)
+ if (sym->attr.if_source == IFSRC_UNKNOWN || sym->ns != gfc_current_ns
+ || sym->attr.flavor == FL_DERIVED)
return;
resolve_formal_arglist (sym);
@@ -967,13 +968,6 @@ resolve_structure_cons (gfc_expr *expr, int init)
resolve_fl_derived0 (expr->ts.u.derived);
cons = gfc_constructor_first (expr->value.constructor);
- /* A constructor may have references if it is the result of substituting a
- parameter variable. In this case we just pull out the component we
- want. */
- if (expr->ref)
- comp = expr->ref->u.c.sym->components;
- else
- comp = expr->ts.u.derived->components;
/* See if the user is trying to invoke a structure constructor for one of
the iso_c_binding derived types. */
@@ -992,6 +986,14 @@ resolve_structure_cons (gfc_expr *expr, int init)
&& cons->expr && cons->expr->expr_type == EXPR_NULL)
return SUCCESS;
+ /* A constructor may have references if it is the result of substituting a
+ parameter variable. In this case we just pull out the component we
+ want. */
+ if (expr->ref)
+ comp = expr->ref->u.c.sym->components;
+ else
+ comp = expr->ts.u.derived->components;
+
for (; comp && cons; comp = comp->next, cons = gfc_constructor_next (cons))
{
int rank;
@@ -1401,7 +1403,8 @@ is_illegal_recursion (gfc_symbol* sym, gfc_namespace* context)
gfc_symbol* context_proc;
gfc_namespace* real_context;
- if (sym->attr.flavor == FL_PROGRAM)
+ if (sym->attr.flavor == FL_PROGRAM
+ || sym->attr.flavor == FL_DERIVED)
return false;
gcc_assert (sym->attr.flavor == FL_PROCEDURE);
@@ -2323,6 +2326,7 @@ resolve_generic_f (gfc_expr *expr)
{
gfc_symbol *sym;
match m;
+ gfc_interface *intr = NULL;
sym = expr->symtree->n.sym;
@@ -2335,6 +2339,11 @@ resolve_generic_f (gfc_expr *expr)
return FAILURE;
generic:
+ if (!intr)
+ for (intr = sym->generic; intr; intr = intr->next)
+ if (intr->sym->attr.flavor == FL_DERIVED)
+ break;
+
if (sym->ns->parent == NULL)
break;
gfc_find_symbol (sym->name, sym->ns->parent, 1, &sym);
@@ -2347,16 +2356,25 @@ generic:
/* Last ditch attempt. See if the reference is to an intrinsic
that possesses a matching interface. 14.1.2.4 */
- if (sym && !gfc_is_intrinsic (sym, 0, expr->where))
+ if (sym && !intr && !gfc_is_intrinsic (sym, 0, expr->where))
{
- gfc_error ("There is no specific function for the generic '%s' at %L",
- expr->symtree->n.sym->name, &expr->where);
+ gfc_error ("There is no specific function for the generic '%s' "
+ "at %L", expr->symtree->n.sym->name, &expr->where);
return FAILURE;
}
+ if (intr)
+ {
+ if (gfc_convert_to_structure_constructor (expr, intr->sym, NULL, NULL,
+ false) != SUCCESS)
+ return FAILURE;
+ return resolve_structure_cons (expr, 0);
+ }
+
m = gfc_intrinsic_func_interface (expr, 0);
if (m == MATCH_YES)
return SUCCESS;
+
if (m == MATCH_NO)
gfc_error ("Generic function '%s' at %L is not consistent with a "
"specific intrinsic interface", expr->symtree->n.sym->name,
@@ -5053,6 +5071,9 @@ resolve_variable (gfc_expr *e)
if (sym->assoc && !sym->attr.dimension && e->ref && e->ref->type == REF_ARRAY)
return FAILURE;
+ if (sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.generic)
+ sym->ts.u.derived = gfc_find_dt_in_generic (sym->ts.u.derived);
+
/* On the other hand, the parser may not have known this is an array;
in this case, we have to add a FULL reference. */
if (sym->assoc && sym->attr.dimension && !e->ref)
@@ -10152,6 +10173,8 @@ resolve_fl_variable_derived (gfc_symbol *sym, int no_init_flag)
{
gfc_symbol *s;
gfc_find_symbol (sym->ts.u.derived->name, sym->ns, 0, &s);
+ if (s && s->attr.generic)
+ s = gfc_find_dt_in_generic (s);
if (s && s->attr.flavor != FL_DERIVED)
{
gfc_error ("The type '%s' cannot be host associated at %L "
@@ -11718,6 +11741,13 @@ resolve_fl_derived0 (gfc_symbol *sym)
}
}
+ if (c->ts.type == BT_DERIVED && c->ts.u.derived->attr.generic)
+ c->ts.u.derived = gfc_find_dt_in_generic (c->ts.u.derived);
+ else if (c->ts.type == BT_CLASS && c->attr.class_ok
+ && CLASS_DATA (c)->ts.u.derived->attr.generic)
+ CLASS_DATA (c)->ts.u.derived
+ = gfc_find_dt_in_generic (CLASS_DATA (c)->ts.u.derived);
+
if (!sym->attr.is_class && c->ts.type == BT_DERIVED && !sym->attr.vtype
&& c->attr.pointer && c->ts.u.derived->components == NULL
&& !c->ts.u.derived->attr.zero_comp)
@@ -11788,6 +11818,23 @@ resolve_fl_derived0 (gfc_symbol *sym)
static gfc_try
resolve_fl_derived (gfc_symbol *sym)
{
+ gfc_symbol *gen_dt = NULL;
+
+ if (!sym->attr.is_class)
+ gfc_find_symbol (sym->name, sym->ns, 0, &gen_dt);
+ if (gen_dt && gen_dt->generic && gen_dt->generic->next
+ && gfc_notify_std (GFC_STD_F2003, "Fortran 2003: Generic name '%s' of "
+ "function '%s' at %L being the same name as derived "
+ "type at %L", sym->name,
+ gen_dt->generic->sym == sym
+ ? gen_dt->generic->next->sym->name
+ : gen_dt->generic->sym->name,
+ gen_dt->generic->sym == sym
+ ? &gen_dt->generic->next->sym->declared_at
+ : &gen_dt->generic->sym->declared_at,
+ &sym->declared_at) == FAILURE)
+ return FAILURE;
+
if (sym->attr.is_class && sym->ts.u.derived == NULL)
{
/* Fix up incomplete CLASS symbols. */
@@ -12191,6 +12238,20 @@ resolve_symbol (gfc_symbol *sym)
}
}
+ if (sym->ts.type == BT_DERIVED && !sym->attr.is_iso_c
+ && sym->ts.u.derived->attr.generic)
+ {
+ sym->ts.u.derived = gfc_find_dt_in_generic (sym->ts.u.derived);
+ if (!sym->ts.u.derived)
+ {
+ gfc_error ("The derived type '%s' at %L is of type '%s', "
+ "which has not been defined", sym->name,
+ &sym->declared_at, sym->ts.u.derived->name);
+ sym->ts.type = BT_UNKNOWN;
+ return;
+ }
+ }
+
/* If the symbol is marked as bind(c), verify it's type and kind. Do not
do this for something that was implicitly typed because that is handled
in gfc_set_default_type. Handle dummy arguments and procedure
@@ -12260,7 +12321,8 @@ resolve_symbol (gfc_symbol *sym)
the type is not declared in the scope of the implicit
statement. Change the type to BT_UNKNOWN, both because it is so
and to prevent an ICE. */
- if (sym->ts.type == BT_DERIVED && sym->ts.u.derived->components == NULL
+ if (sym->ts.type == BT_DERIVED && !sym->attr.is_iso_c
+ && sym->ts.u.derived->components == NULL
&& !sym->ts.u.derived->attr.zero_comp)
{
gfc_error ("The derived type '%s' at %L is of type '%s', "
@@ -12276,22 +12338,9 @@ resolve_symbol (gfc_symbol *sym)
if (sym->ts.type == BT_DERIVED
&& sym->ts.u.derived->attr.use_assoc
&& sym->ns->proc_name
- && sym->ns->proc_name->attr.flavor == FL_MODULE)
- {
- gfc_symbol *ds;
-
- if (resolve_fl_derived (sym->ts.u.derived) == FAILURE)
- return;
-
- gfc_find_symbol (sym->ts.u.derived->name, sym->ns, 1, &ds);
- if (!ds && sym->attr.function && gfc_check_symbol_access (sym))
- {
- symtree = gfc_new_symtree (&sym->ns->sym_root,
- sym->ts.u.derived->name);
- symtree->n.sym = sym->ts.u.derived;
- sym->ts.u.derived->refs++;
- }
- }
+ && sym->ns->proc_name->attr.flavor == FL_MODULE
+ && resolve_fl_derived (sym->ts.u.derived) == FAILURE)
+ return;
/* Unless the derived-type declaration is use associated, Fortran 95
does not allow public entries of private derived types.