/* Perform type resolution on the various structures.
Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
- 2010, 2011
+ 2010, 2011, 2012
Free Software Foundation, Inc.
Contributed by Andy Vaught
#include "config.h"
#include "system.h"
+#include "coretypes.h"
#include "flags.h"
#include "gfortran.h"
#include "obstack.h"
static int forall_flag;
static int do_concurrent_flag;
+/* True when we are resolving an expression that is an actual argument to
+ a procedure. */
+static bool actual_arg = false;
+/* True when we are resolving an expression that is the first actual argument
+ to a procedure. */
+static bool first_actual_arg = false;
+
+
/* Nonzero if we're inside a OpenMP WORKSHARE or PARALLEL WORKSHARE block. */
static int omp_workshare_flag;
/* True when simplifying a EXPR_VARIABLE argument to an inquiry function. */
static bool inquiry_argument = false;
+
int
gfc_is_formal_arg (void)
{
static void resolve_symbol (gfc_symbol *sym);
-static gfc_try resolve_intrinsic (gfc_symbol *sym, locus *loc);
/* Resolve the interface for a PROCEDURE declaration or procedure pointer. */
static gfc_try
resolve_procedure_interface (gfc_symbol *sym)
{
- if (sym->ts.interface == sym)
+ gfc_symbol *ifc = sym->ts.interface;
+
+ if (!ifc)
+ return SUCCESS;
+
+ /* Several checks for F08:C1216. */
+ if (ifc == sym)
{
gfc_error ("PROCEDURE '%s' at %L may not be used as its own interface",
sym->name, &sym->declared_at);
return FAILURE;
}
- if (sym->ts.interface->attr.procedure)
+ if (ifc->attr.procedure)
{
gfc_error ("Interface '%s', used by procedure '%s' at %L, is declared "
- "in a later PROCEDURE statement", sym->ts.interface->name,
+ "in a later PROCEDURE statement", ifc->name,
sym->name, &sym->declared_at);
return FAILURE;
}
+ if (ifc->generic)
+ {
+ /* For generic interfaces, check if there is
+ a specific procedure with the same name. */
+ gfc_interface *gen = ifc->generic;
+ while (gen && strcmp (gen->sym->name, ifc->name) != 0)
+ gen = gen->next;
+ if (!gen)
+ {
+ gfc_error ("Interface '%s' at %L may not be generic",
+ ifc->name, &sym->declared_at);
+ return FAILURE;
+ }
+ }
+ if (ifc->attr.proc == PROC_ST_FUNCTION)
+ {
+ gfc_error ("Interface '%s' at %L may not be a statement function",
+ ifc->name, &sym->declared_at);
+ return FAILURE;
+ }
+ if (gfc_is_intrinsic (ifc, 0, ifc->declared_at)
+ || gfc_is_intrinsic (ifc, 1, ifc->declared_at))
+ ifc->attr.intrinsic = 1;
+ if (ifc->attr.intrinsic && !gfc_intrinsic_actual_ok (ifc->name, 0))
+ {
+ gfc_error ("Intrinsic procedure '%s' not allowed in "
+ "PROCEDURE statement at %L", ifc->name, &sym->declared_at);
+ return FAILURE;
+ }
/* Get the attributes from the interface (now resolved). */
- if (sym->ts.interface->attr.if_source || sym->ts.interface->attr.intrinsic)
+ if (ifc->attr.if_source || ifc->attr.intrinsic)
{
- gfc_symbol *ifc = sym->ts.interface;
resolve_symbol (ifc);
if (ifc->attr.intrinsic)
- resolve_intrinsic (ifc, &ifc->declared_at);
+ gfc_resolve_intrinsic (ifc, &ifc->declared_at);
if (ifc->result)
{
sym->ts.interface = ifc;
sym->attr.function = ifc->attr.function;
sym->attr.subroutine = ifc->attr.subroutine;
- gfc_copy_formal_args (sym, ifc);
+ gfc_copy_formal_args (sym, ifc, IFSRC_DECL);
sym->attr.allocatable = ifc->attr.allocatable;
sym->attr.pointer = ifc->attr.pointer;
return FAILURE;
}
}
- else if (sym->ts.interface->name[0] != '\0')
+ else if (ifc->name[0] != '\0')
{
gfc_error ("Interface '%s' of procedure '%s' at %L must be explicit",
- sym->ts.interface->name, sym->name, &sym->declared_at);
+ ifc->name, sym->name, &sym->declared_at);
return FAILURE;
}
if (gfc_elemental (proc)
|| sym->attr.pointer || sym->attr.allocatable
- || (sym->as && sym->as->rank > 0))
+ || (sym->as && sym->as->rank != 0))
{
proc->attr.always_explicit = 1;
sym->attr.always_explicit = 1;
for (f = proc->formal; f; f = f->next)
{
+ gfc_array_spec *as;
+
sym = f->sym;
if (sym == NULL)
&proc->declared_at);
continue;
}
- else if (sym->attr.procedure && sym->ts.interface
- && sym->attr.if_source != IFSRC_DECL)
- resolve_procedure_interface (sym);
+ else if (sym->attr.procedure && sym->attr.if_source != IFSRC_DECL
+ && resolve_procedure_interface (sym) == FAILURE)
+ return;
if (sym->attr.if_source != IFSRC_UNKNOWN)
resolve_formal_arglist (sym);
- if (sym->attr.subroutine || sym->attr.external || sym->attr.intrinsic)
+ if (sym->attr.subroutine || sym->attr.external)
{
- if (gfc_pure (proc) && !gfc_pure (sym))
- {
- gfc_error ("Dummy procedure '%s' of PURE procedure at %L must "
- "also be PURE", sym->name, &sym->declared_at);
- continue;
- }
-
- if (proc->attr.implicit_pure && !gfc_pure(sym))
- proc->attr.implicit_pure = 0;
-
- if (gfc_elemental (proc))
- {
- gfc_error ("Dummy procedure at %L not allowed in ELEMENTAL "
- "procedure", &sym->declared_at);
- continue;
- }
-
- if (sym->attr.function
- && sym->ts.type == BT_UNKNOWN
- && sym->attr.intrinsic)
- {
- gfc_intrinsic_sym *isym;
- isym = gfc_find_function (sym->name);
- if (isym == NULL || !isym->specific)
- {
- gfc_error ("Unable to find a specific INTRINSIC procedure "
- "for the reference '%s' at %L", sym->name,
- &sym->declared_at);
- }
- sym->ts = isym->ts;
- }
-
- continue;
+ if (sym->attr.flavor == FL_UNKNOWN)
+ gfc_add_flavor (&sym->attr, FL_PROCEDURE, sym->name, &sym->declared_at);
+ }
+ else
+ {
+ if (sym->ts.type == BT_UNKNOWN && !proc->attr.intrinsic
+ && (!sym->attr.function || sym->result == sym))
+ gfc_set_default_type (sym, 1, sym->ns);
}
- if (sym->ts.type == BT_UNKNOWN && !proc->attr.intrinsic
- && (!sym->attr.function || sym->result == sym))
- gfc_set_default_type (sym, 1, sym->ns);
+ as = sym->ts.type == BT_CLASS && sym->attr.class_ok
+ ? CLASS_DATA (sym)->as : sym->as;
- gfc_resolve_array_spec (sym->as, 0);
+ gfc_resolve_array_spec (as, 0);
/* We can't tell if an array with dimension (:) is assumed or deferred
shape until we know if it has the pointer or allocatable attributes.
*/
- if (sym->as && sym->as->rank > 0 && sym->as->type == AS_DEFERRED
- && !(sym->attr.pointer || sym->attr.allocatable)
+ if (as && as->rank > 0 && as->type == AS_DEFERRED
+ && ((sym->ts.type != BT_CLASS
+ && !(sym->attr.pointer || sym->attr.allocatable))
+ || (sym->ts.type == BT_CLASS
+ && !(CLASS_DATA (sym)->attr.class_pointer
+ || CLASS_DATA (sym)->attr.allocatable)))
&& sym->attr.flavor != FL_PROCEDURE)
{
- sym->as->type = AS_ASSUMED_SHAPE;
- for (i = 0; i < sym->as->rank; i++)
- sym->as->lower[i] = gfc_get_int_expr (gfc_default_integer_kind,
- NULL, 1);
+ as->type = AS_ASSUMED_SHAPE;
+ for (i = 0; i < as->rank; i++)
+ as->lower[i] = gfc_get_int_expr (gfc_default_integer_kind, NULL, 1);
}
- if ((sym->as && sym->as->rank > 0 && sym->as->type == AS_ASSUMED_SHAPE)
+ if ((as && as->rank > 0 && as->type == AS_ASSUMED_SHAPE)
+ || (as && as->type == AS_ASSUMED_RANK)
|| sym->attr.pointer || sym->attr.allocatable || sym->attr.target
+ || (sym->ts.type == BT_CLASS && sym->attr.class_ok
+ && (CLASS_DATA (sym)->attr.class_pointer
+ || CLASS_DATA (sym)->attr.allocatable
+ || CLASS_DATA (sym)->attr.target))
|| sym->attr.optional)
{
proc->attr.always_explicit = 1;
if (sym->attr.flavor == FL_UNKNOWN)
gfc_add_flavor (&sym->attr, FL_VARIABLE, sym->name, &sym->declared_at);
- if (gfc_pure (proc) && !sym->attr.pointer
- && sym->attr.flavor != FL_PROCEDURE)
+ if (gfc_pure (proc))
{
- if (proc->attr.function && sym->attr.intent != INTENT_IN)
+ if (sym->attr.flavor == FL_PROCEDURE)
{
- if (sym->attr.value)
- gfc_notify_std (GFC_STD_F2008, "Fortran 2008: Argument '%s' "
- "of pure function '%s' at %L with VALUE "
- "attribute but without INTENT(IN)", sym->name,
- proc->name, &sym->declared_at);
- else
- gfc_error ("Argument '%s' of pure function '%s' at %L must be "
- "INTENT(IN) or VALUE", sym->name, proc->name,
- &sym->declared_at);
+ /* F08:C1279. */
+ if (!gfc_pure (sym))
+ {
+ gfc_error ("Dummy procedure '%s' of PURE procedure at %L must "
+ "also be PURE", sym->name, &sym->declared_at);
+ continue;
+ }
}
-
- if (proc->attr.subroutine && sym->attr.intent == INTENT_UNKNOWN)
+ else if (!sym->attr.pointer)
{
- if (sym->attr.value)
- gfc_notify_std (GFC_STD_F2008, "Fortran 2008: Argument '%s' "
- "of pure subroutine '%s' at %L with VALUE "
- "attribute but without INTENT", sym->name,
- proc->name, &sym->declared_at);
- else
- gfc_error ("Argument '%s' of pure subroutine '%s' at %L must "
- "have its INTENT specified or have the VALUE "
- "attribute", sym->name, proc->name, &sym->declared_at);
+ if (proc->attr.function && sym->attr.intent != INTENT_IN)
+ {
+ if (sym->attr.value)
+ gfc_notify_std (GFC_STD_F2008, "Argument '%s'"
+ " of pure function '%s' at %L with VALUE "
+ "attribute but without INTENT(IN)",
+ sym->name, proc->name, &sym->declared_at);
+ else
+ gfc_error ("Argument '%s' of pure function '%s' at %L must "
+ "be INTENT(IN) or VALUE", sym->name, proc->name,
+ &sym->declared_at);
+ }
+
+ if (proc->attr.subroutine && sym->attr.intent == INTENT_UNKNOWN)
+ {
+ if (sym->attr.value)
+ gfc_notify_std (GFC_STD_F2008, "Argument '%s'"
+ " of pure subroutine '%s' at %L with VALUE "
+ "attribute but without INTENT", sym->name,
+ proc->name, &sym->declared_at);
+ else
+ gfc_error ("Argument '%s' of pure subroutine '%s' at %L "
+ "must have its INTENT specified or have the "
+ "VALUE attribute", sym->name, proc->name,
+ &sym->declared_at);
+ }
}
}
- if (proc->attr.implicit_pure && !sym->attr.pointer
- && sym->attr.flavor != FL_PROCEDURE)
+ if (proc->attr.implicit_pure)
{
- if (proc->attr.function && sym->attr.intent != INTENT_IN)
- proc->attr.implicit_pure = 0;
+ if (sym->attr.flavor == FL_PROCEDURE)
+ {
+ if (!gfc_pure(sym))
+ proc->attr.implicit_pure = 0;
+ }
+ else if (!sym->attr.pointer)
+ {
+ if (proc->attr.function && sym->attr.intent != INTENT_IN)
+ proc->attr.implicit_pure = 0;
- if (proc->attr.subroutine && sym->attr.intent == INTENT_UNKNOWN)
- proc->attr.implicit_pure = 0;
+ if (proc->attr.subroutine && sym->attr.intent == INTENT_UNKNOWN)
+ proc->attr.implicit_pure = 0;
+ }
}
if (gfc_elemental (proc))
{
- /* F2008, C1289. */
- if (sym->attr.codimension)
+ /* F08:C1289. */
+ if (sym->attr.codimension
+ || (sym->ts.type == BT_CLASS && CLASS_DATA (sym)
+ && CLASS_DATA (sym)->attr.codimension))
{
gfc_error ("Coarray dummy argument '%s' at %L to elemental "
"procedure", sym->name, &sym->declared_at);
continue;
}
- if (sym->as != NULL)
+ if (sym->as || (sym->ts.type == BT_CLASS && CLASS_DATA (sym)
+ && CLASS_DATA (sym)->as))
{
gfc_error ("Argument '%s' of elemental procedure at %L must "
"be scalar", sym->name, &sym->declared_at);
continue;
}
- if (sym->attr.allocatable)
+ if (sym->attr.allocatable
+ || (sym->ts.type == BT_CLASS && CLASS_DATA (sym)
+ && CLASS_DATA (sym)->attr.allocatable))
{
gfc_error ("Argument '%s' of elemental procedure at %L cannot "
"have the ALLOCATABLE attribute", sym->name,
continue;
}
- if (sym->attr.pointer)
+ if (sym->attr.pointer
+ || (sym->ts.type == BT_CLASS && CLASS_DATA (sym)
+ && CLASS_DATA (sym)->attr.class_pointer))
{
gfc_error ("Argument '%s' of elemental procedure at %L cannot "
"have the POINTER attribute", sym->name,
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);
&& ts->u.cl->length->expr_type == EXPR_CONSTANT
&& mpz_cmp (ts->u.cl->length->value.integer,
fts->u.cl->length->value.integer) != 0)))
- gfc_notify_std (GFC_STD_GNU, "Extension: Function %s at %L with "
+ gfc_notify_std (GFC_STD_GNU, "Function %s at %L with "
"entries returning variables of different "
"string lengths", ns->entries->sym->name,
&ns->entries->sym->declared_at);
gfc_error ("COMMON block '%s' at %L is used as PARAMETER at %L",
sym->name, &common_root->n.common->where, &sym->declared_at);
+ if (sym->attr.external)
+ gfc_error ("COMMON block '%s' at %L can not have the EXTERNAL attribute",
+ sym->name, &common_root->n.common->where);
+
if (sym->attr.intrinsic)
gfc_error ("COMMON block '%s' at %L is also an intrinsic procedure",
sym->name, &common_root->n.common->where);
else if (sym->attr.result
|| gfc_is_function_return_value (sym, gfc_current_ns))
- gfc_notify_std (GFC_STD_F2003, "Fortran 2003: COMMON block '%s' at %L "
+ gfc_notify_std (GFC_STD_F2003, "COMMON block '%s' at %L "
"that is also a function result", sym->name,
&common_root->n.common->where);
else if (sym->attr.flavor == FL_PROCEDURE && sym->attr.proc != PROC_INTERNAL
&& sym->attr.proc != PROC_ST_FUNCTION)
- gfc_notify_std (GFC_STD_F2003, "Fortran 2003: COMMON block '%s' at %L "
+ gfc_notify_std (GFC_STD_F2003, "COMMON block '%s' at %L "
"that is also a global procedure", sym->name,
&common_root->n.common->where);
}
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. */
&& 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;
&& comp->ts.u.cl->length->expr_type == EXPR_CONSTANT
&& cons->expr->ts.u.cl && cons->expr->ts.u.cl->length
&& cons->expr->ts.u.cl->length->expr_type == EXPR_CONSTANT
+ && cons->expr->rank != 0
&& mpz_cmp (cons->expr->ts.u.cl->length->value.integer,
comp->ts.u.cl->length->value.integer) != 0)
{
}
if (s2 && !gfc_compare_interfaces (comp->ts.interface, s2, name, 0, 1,
- err, sizeof (err)))
+ err, sizeof (err), NULL, NULL))
{
gfc_error ("Interface mismatch for procedure-pointer component "
"'%s' in structure constructor at %L: %s",
/* See if a call to sym could possibly be a not allowed RECURSION because of
- a missing RECURIVE declaration. This means that either sym is the current
+ a missing RECURSIVE declaration. This means that either sym is the current
context itself, or sym is the parent of a contained procedure calling its
non-RECURSIVE containing procedure.
This also works if sym is an ENTRY. */
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);
/* Resolve an intrinsic procedure: Set its function/subroutine attribute,
its typespec and formal argument list. */
-static gfc_try
-resolve_intrinsic (gfc_symbol *sym, locus *loc)
+gfc_try
+gfc_resolve_intrinsic (gfc_symbol *sym, locus *loc)
{
gfc_intrinsic_sym* isym = NULL;
const char* symstd;
if (sym->intmod_sym_id)
isym = gfc_intrinsic_function_by_id ((gfc_isym_id) sym->intmod_sym_id);
- else
+ else if (!sym->attr.subroutine)
isym = gfc_find_function (sym->name);
if (isym)
sym = expr->symtree->n.sym;
if (sym->attr.intrinsic)
- resolve_intrinsic (sym, &expr->where);
+ gfc_resolve_intrinsic (sym, &expr->where);
if (sym->attr.flavor != FL_PROCEDURE
|| (sym->attr.function && sym->result == sym))
gfc_symtree *parent_st;
gfc_expr *e;
int save_need_full_assumed_size;
+ gfc_try return_value = FAILURE;
+ bool actual_arg_sav = actual_arg, first_actual_arg_sav = first_actual_arg;
+
+ actual_arg = true;
+ first_actual_arg = true;
for (; arg; arg = arg->next)
{
{
gfc_error ("Label %d referenced at %L is never defined",
arg->label->value, &arg->label->where);
- return FAILURE;
+ goto cleanup;
}
}
+ first_actual_arg = false;
continue;
}
&& e->symtree->n.sym->attr.generic
&& no_formal_args
&& count_specific_procs (e) != 1)
- return FAILURE;
+ goto cleanup;
if (e->ts.type != BT_PROCEDURE)
{
if (e->expr_type != EXPR_VARIABLE)
need_full_assumed_size = 0;
if (gfc_resolve_expr (e) != SUCCESS)
- return FAILURE;
+ goto cleanup;
need_full_assumed_size = save_need_full_assumed_size;
goto argument_list;
}
/* If a procedure is not already determined to be something else
check if it is intrinsic. */
- if (!sym->attr.intrinsic
- && !(sym->attr.external || sym->attr.use_assoc
- || sym->attr.if_source == IFSRC_IFBODY)
- && gfc_is_intrinsic (sym, sym->attr.subroutine, e->where))
+ if (gfc_is_intrinsic (sym, sym->attr.subroutine, e->where))
sym->attr.intrinsic = 1;
if (sym->attr.proc == PROC_ST_FUNCTION)
&& sym->ns->proc_name->attr.flavor != FL_MODULE)
{
if (gfc_notify_std (GFC_STD_F2008,
- "Fortran 2008: Internal procedure '%s' is"
+ "Internal procedure '%s' is"
" used as actual argument at %L",
sym->name, &e->where) == FAILURE)
- return FAILURE;
+ goto cleanup;
}
if (sym->attr.elemental && !sym->attr.intrinsic)
/* Check if a generic interface has a specific procedure
with the same name before emitting an error. */
if (sym->attr.generic && count_specific_procs (e) != 1)
- return FAILURE;
-
+ goto cleanup;
+
/* Just in case a specific was found for the expression. */
sym = e->symtree->n.sym;
gfc_error ("Unable to find a specific INTRINSIC procedure "
"for the reference '%s' at %L", sym->name,
&e->where);
- return FAILURE;
+ goto cleanup;
}
sym->ts = isym->ts;
sym->attr.intrinsic = 1;
}
if (gfc_resolve_expr (e) == FAILURE)
- return FAILURE;
+ goto cleanup;
goto argument_list;
}
if (gfc_find_sym_tree (sym->name, sym->ns->parent, 1, &parent_st))
{
gfc_error ("Symbol '%s' at %L is ambiguous", sym->name, &e->where);
- return FAILURE;
+ goto cleanup;
}
if (parent_st == NULL)
|| sym->attr.external)
{
if (gfc_resolve_expr (e) == FAILURE)
- return FAILURE;
+ goto cleanup;
goto argument_list;
}
got_variable:
e->expr_type = EXPR_VARIABLE;
e->ts = sym->ts;
- if (sym->as != NULL)
+ if ((sym->as != NULL && sym->ts.type != BT_CLASS)
+ || (sym->ts.type == BT_CLASS && sym->attr.class_ok
+ && CLASS_DATA (sym)->as))
{
- e->rank = sym->as->rank;
+ e->rank = sym->ts.type == BT_CLASS
+ ? CLASS_DATA (sym)->as->rank : sym->as->rank;
e->ref = gfc_get_ref ();
e->ref->type = REF_ARRAY;
e->ref->u.ar.type = AR_FULL;
- e->ref->u.ar.as = sym->as;
+ e->ref->u.ar.as = sym->ts.type == BT_CLASS
+ ? CLASS_DATA (sym)->as : sym->as;
}
/* Expressions are assigned a default ts.type of BT_PROCEDURE in
if (e->expr_type != EXPR_VARIABLE)
need_full_assumed_size = 0;
if (gfc_resolve_expr (e) != SUCCESS)
- return FAILURE;
+ goto cleanup;
need_full_assumed_size = save_need_full_assumed_size;
argument_list:
{
gfc_error ("By-value argument at %L is not of numeric "
"type", &e->where);
- return FAILURE;
+ goto cleanup;
}
if (e->rank)
{
gfc_error ("By-value argument at %L cannot be an array or "
"an array section", &e->where);
- return FAILURE;
+ goto cleanup;
}
/* Intrinsics are still PROC_UNKNOWN here. However,
{
gfc_error ("By-value argument at %L is not allowed "
"in this context", &e->where);
- return FAILURE;
+ goto cleanup;
}
}
{
gfc_error ("Passing internal procedure at %L by location "
"not allowed", &e->where);
- return FAILURE;
+ goto cleanup;
}
}
}
/* Fortran 2008, C1237. */
if (e->expr_type == EXPR_VARIABLE && gfc_is_coindexed (e)
- && gfc_has_ultimate_pointer (e))
- {
- gfc_error ("Coindexed actual argument at %L with ultimate pointer "
+ && gfc_has_ultimate_pointer (e))
+ {
+ gfc_error ("Coindexed actual argument at %L with ultimate pointer "
"component", &e->where);
- return FAILURE;
- }
+ goto cleanup;
+ }
+
+ first_actual_arg = false;
}
- return SUCCESS;
+ return_value = SUCCESS;
+
+cleanup:
+ actual_arg = actual_arg_sav;
+ first_actual_arg = first_actual_arg_sav;
+
+ return return_value;
}
/* The rank of an elemental is the rank of its array argument(s). */
for (arg = arg0; arg; arg = arg->next)
{
- if (arg->expr != NULL && arg->expr->rank > 0)
+ if (arg->expr != NULL && arg->expr->rank != 0)
{
rank = arg->expr->rank;
if (arg->expr->expr_type == EXPR_VARIABLE
"ELEMENTAL procedure unless there is a non-optional "
"argument with the same rank (12.4.1.5)",
arg->expr->symtree->n.sym->name, &arg->expr->where);
- return FAILURE;
}
}
sym->name, &sym->declared_at, arg->sym->name);
break;
}
+ /* TS 29113, 6.2. */
+ else if (arg->sym && arg->sym->as
+ && arg->sym->as->type == AS_ASSUMED_RANK)
+ {
+ gfc_error ("Procedure '%s' at %L with assumed-rank dummy "
+ "argument '%s' must have an explicit interface",
+ sym->name, &sym->declared_at, arg->sym->name);
+ break;
+ }
/* F2008, 12.4.2.2 (2c) */
else if (arg->sym->attr.codimension)
{
sym->name, &sym->declared_at, arg->sym->name);
break;
}
+ /* As assumed-type is unlimited polymorphic (cf. above).
+ See also TS 29113, Note 6.1. */
+ else if (arg->sym->ts.type == BT_ASSUMED)
+ {
+ gfc_error ("Procedure '%s' at %L with assumed-type dummy "
+ "argument '%s' must have an explicit interface",
+ sym->name, &sym->declared_at, arg->sym->name);
+ break;
+ }
}
if (def_sym->attr.function)
{
gfc_symbol *sym;
match m;
+ gfc_interface *intr = NULL;
sym = expr->symtree->n.sym;
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);
/* 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,
is_external_proc (gfc_symbol *sym)
{
if (!sym->attr.dummy && !sym->attr.contained
- && !(sym->attr.intrinsic
- || gfc_is_intrinsic (sym, sym->attr.subroutine, sym->declared_at))
+ && !gfc_is_intrinsic (sym, sym->attr.subroutine, sym->declared_at)
&& sym->attr.proc != PROC_ST_FUNCTION
&& !sym->attr.proc_pointer
&& !sym->attr.use_assoc
gfc_symbol **new_sym)
{
char name[GFC_MAX_SYMBOL_LEN + 1];
- char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
int optional_arg = 0;
gfc_try retval = SUCCESS;
gfc_symbol *args_sym;
{
/* two args. */
sprintf (name, "%s_2", sym->name);
- sprintf (binding_label, "%s_2", sym->binding_label);
optional_arg = 1;
}
else
{
/* one arg. */
sprintf (name, "%s_1", sym->name);
- sprintf (binding_label, "%s_1", sym->binding_label);
optional_arg = 0;
}
/* Get a new symbol for the version of c_associated that
will get called. */
- *new_sym = get_iso_c_sym (sym, name, binding_label, optional_arg);
+ *new_sym = get_iso_c_sym (sym, name, NULL, optional_arg);
}
else if (sym->intmod_sym_id == ISOCBINDING_LOC
|| sym->intmod_sym_id == ISOCBINDING_FUNLOC)
{
sprintf (name, "%s", sym->name);
- sprintf (binding_label, "%s", sym->binding_label);
/* Error check the call. */
if (args->next != NULL)
&(args->expr->where));
/* See if we have interoperable type and type param. */
- if (verify_c_interop (arg_ts) == SUCCESS
+ if (gfc_verify_c_interop (arg_ts) == SUCCESS
|| gfc_check_any_c_kind (arg_ts) == SUCCESS)
{
if (args_sym->attr.target == 1)
{
/* TODO: Update this error message to allow for procedure
pointers once they are implemented. */
- gfc_error_now ("Parameter '%s' to '%s' at %L must be a "
+ gfc_error_now ("Argument '%s' to '%s' at %L must be a "
"procedure",
args_sym->name, sym->name,
&(args->expr->where));
retval = FAILURE;
}
- else if (args_sym->attr.is_bind_c != 1)
- {
- gfc_error_now ("Parameter '%s' to '%s' at %L must be "
- "BIND(C)",
- args_sym->name, sym->name,
- &(args->expr->where));
- retval = FAILURE;
- }
+ else if (args_sym->attr.is_bind_c != 1
+ && gfc_notify_std (GFC_STD_F2008_TS, "Noninteroperable "
+ "argument '%s' to '%s' at %L",
+ args_sym->name, sym->name,
+ &(args->expr->where)) == FAILURE)
+ retval = FAILURE;
}
/* for c_loc/c_funloc, the new symbol is the same as the old one */
return SUCCESS;
if (sym && sym->attr.intrinsic
- && resolve_intrinsic (sym, &expr->where) == FAILURE)
+ && gfc_resolve_intrinsic (sym, &expr->where) == FAILURE)
return FAILURE;
if (sym && (sym->attr.flavor == FL_VARIABLE || sym->attr.subroutine))
"procedure within a PURE procedure", name, &expr->where);
t = FAILURE;
}
- }
- if (!pure_function (expr, &name) && name && gfc_implicit_pure (NULL))
- gfc_current_ns->proc_name->attr.implicit_pure = 0;
+ if (gfc_implicit_pure (NULL))
+ gfc_current_ns->proc_name->attr.implicit_pure = 0;
+ }
/* Functions without the RECURSIVE attribution are not allowed to
* call themselves. */
else if (gfc_pure (NULL))
gfc_error ("Subroutine call to '%s' at %L is not PURE", sym->name,
&c->loc);
+
+ if (gfc_implicit_pure (NULL))
+ gfc_current_ns->proc_name->attr.implicit_pure = 0;
}
static void
set_name_and_label (gfc_code *c, gfc_symbol *sym,
- char *name, char *binding_label)
+ char *name, const char **binding_label)
{
gfc_expr *arg = NULL;
char type;
sprintf (name, "%s_%c%d", sym->name, type, kind);
/* Set up the binding label as the given symbol's label plus
the type and kind. */
- sprintf (binding_label, "%s_%c%d", sym->binding_label, type, kind);
+ *binding_label = gfc_get_string ("%s_%c%d", sym->binding_label, type,
+ kind);
}
else
{
was, cause it should at least be found, and the missing
arg error will be caught by compare_parameters(). */
sprintf (name, "%s", sym->name);
- sprintf (binding_label, "%s", sym->binding_label);
+ *binding_label = sym->binding_label;
}
return;
gfc_symbol *new_sym;
/* this is fine, since we know the names won't use the max */
char name[GFC_MAX_SYMBOL_LEN + 1];
- char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
+ const char* binding_label;
/* default to success; will override if find error */
match m = MATCH_YES;
/* Make sure the actual arguments are in the necessary order (based on the
formal args) before resolving. */
- gfc_procedure_use (sym, &c->ext.actual, &(c->loc));
+ if (gfc_procedure_use (sym, &c->ext.actual, &(c->loc)) == FAILURE)
+ {
+ c->resolved_sym = sym;
+ return MATCH_ERROR;
+ }
if ((sym->intmod_sym_id == ISOCBINDING_F_POINTER) ||
(sym->intmod_sym_id == ISOCBINDING_F_PROCPOINTER))
{
- set_name_and_label (c, sym, name, binding_label);
+ set_name_and_label (c, sym, name, &binding_label);
if (sym->intmod_sym_id == ISOCBINDING_F_POINTER)
{
if (c->ext.actual != NULL && c->ext.actual->next != NULL)
{
+ if (c->ext.actual->expr->ts.type != BT_DERIVED
+ || c->ext.actual->expr->ts.u.derived->intmod_sym_id
+ != ISOCBINDING_PTR)
+ {
+ gfc_error ("Argument at %L to C_F_POINTER shall have the type"
+ " C_PTR", &c->ext.actual->expr->where);
+ m = MATCH_ERROR;
+ }
+
/* Make sure we got a third arg if the second arg has non-zero
rank. We must also check that the type and rank are
correct since we short-circuit this check in
}
}
}
-
+ else /* ISOCBINDING_F_PROCPOINTER. */
+ {
+ if (c->ext.actual
+ && (c->ext.actual->expr->ts.type != BT_DERIVED
+ || c->ext.actual->expr->ts.u.derived->intmod_sym_id
+ != ISOCBINDING_FUNPTR))
+ {
+ gfc_error ("Argument at %L to C_F_FUNPOINTER shall have the type "
+ "C_FUNPTR", &c->ext.actual->expr->where);
+ m = MATCH_ERROR;
+ }
+ if (c->ext.actual && c->ext.actual->next
+ && !gfc_expr_attr (c->ext.actual->next->expr).is_bind_c
+ && gfc_notify_std (GFC_STD_F2008_TS, "Noninteroperable "
+ "procedure-pointer at %L to C_F_FUNPOINTER",
+ &c->ext.actual->next->expr->where)
+ == FAILURE)
+ m = MATCH_ERROR;
+ }
+
if (m != MATCH_ERROR)
{
/* the 1 means to add the optional arg to formal list */
bad_op:
{
- bool real_error;
- if (gfc_extend_expr (e, &real_error) == SUCCESS)
+ match m = gfc_extend_expr (e);
+ if (m == MATCH_YES)
return SUCCESS;
-
- if (real_error)
+ if (m == MATCH_ERROR)
return FAILURE;
}
return FAILURE;
}
- if (as->corank && ar->codimen == 0)
- {
- int n;
- ar->codimen = as->corank;
- for (n = ar->dimen; n < ar->dimen + ar->codimen; n++)
- ar->dimen_type[n] = DIMEN_THIS_IMAGE;
- }
-
return SUCCESS;
}
}
if (index->ts.type == BT_REAL)
- if (gfc_notify_std (GFC_STD_LEGACY, "Extension: REAL array index at %L",
+ if (gfc_notify_std (GFC_STD_LEGACY, "REAL array index at %L",
&index->where) == FAILURE)
return FAILURE;
{
gfc_array_spec *as;
gfc_component *c;
- gfc_symbol *derived;
gfc_ref *ref;
if (e->symtree->n.sym->ts.type == BT_CLASS)
as = CLASS_DATA (e->symtree->n.sym)->as;
else
as = e->symtree->n.sym->as;
- derived = NULL;
for (ref = e->ref; ref; ref = ref->next)
switch (ref->type)
break;
case REF_COMPONENT:
- if (derived == NULL)
- derived = e->symtree->n.sym->ts.u.derived;
-
- if (derived->attr.is_class)
- derived = derived->components->ts.u.derived;
-
- c = derived->components;
-
- for (; c; c = c->next)
- if (c == ref->u.c.component)
- {
- /* Track the sequence of component references. */
- if (c->ts.type == BT_DERIVED)
- derived = c->ts.u.derived;
- break;
- }
-
- if (c == NULL)
- gfc_internal_error ("find_array_spec(): Component not found");
-
+ c = ref->u.c.component;
if (c->attr.dimension)
{
if (as != NULL)
}
}
- if (ar->type == AR_FULL && ar->as->rank == 0)
- ar->type = AR_ELEMENT;
+ if (ar->type == AR_FULL)
+ {
+ if (ar->as->rank == 0)
+ ar->type = AR_ELEMENT;
+
+ /* Make sure array is the same as array(:,:), this way
+ we don't need to special case all the time. */
+ ar->dimen = ar->as->rank;
+ for (i = 0; i < ar->dimen; i++)
+ {
+ ar->dimen_type[i] = DIMEN_RANGE;
+
+ gcc_assert (ar->start[i] == NULL);
+ gcc_assert (ar->end[i] == NULL);
+ gcc_assert (ar->stride[i] == NULL);
+ }
+ }
/* If the reference type is unknown, figure out what kind it is. */
if (!ar->as->cray_pointee && compare_spec_to_ref (ar) == FAILURE)
return FAILURE;
+ if (ar->as->corank && ar->codimen == 0)
+ {
+ int n;
+ ar->codimen = ar->as->corank;
+ for (n = ar->dimen; n < ar->dimen + ar->codimen; n++)
+ ar->dimen_type[n] = DIMEN_THIS_IMAGE;
+ }
+
return SUCCESS;
}
break;
case REF_SUBSTRING:
- resolve_substring (ref);
+ if (resolve_substring (ref) == FAILURE)
+ return FAILURE;
break;
}
{
/* F03:C614. */
if (ref->u.c.component->attr.pointer
- || ref->u.c.component->attr.proc_pointer)
+ || ref->u.c.component->attr.proc_pointer
+ || (ref->u.c.component->ts.type == BT_CLASS
+ && CLASS_DATA (ref->u.c.component)->attr.pointer))
{
gfc_error ("Component to the right of a part reference "
"with nonzero rank must not have the POINTER "
"attribute at %L", &expr->where);
return FAILURE;
}
- else if (ref->u.c.component->attr.allocatable)
+ else if (ref->u.c.component->attr.allocatable
+ || (ref->u.c.component->ts.type == BT_CLASS
+ && CLASS_DATA (ref->u.c.component)->attr.allocatable))
+
{
gfc_error ("Component to the right of a part reference "
"with nonzero rank must not have the ALLOCATABLE "
mpz_t array[GFC_MAX_DIMENSIONS];
int i;
- if (e->rank == 0 || e->shape != NULL)
+ if (e->rank <= 0 || e->shape != NULL)
return;
for (i = 0; i < e->rank; i++)
return FAILURE;
sym = e->symtree->n.sym;
+ /* TS 29113, 407b. */
+ if (e->ts.type == BT_ASSUMED)
+ {
+ if (!actual_arg)
+ {
+ gfc_error ("Assumed-type variable %s at %L may only be used "
+ "as actual argument", sym->name, &e->where);
+ return FAILURE;
+ }
+ else if (inquiry_argument && !first_actual_arg)
+ {
+ /* FIXME: It doesn't work reliably as inquiry_argument is not set
+ for all inquiry functions in resolve_function; the reason is
+ that the function-name resolution happens too late in that
+ function. */
+ gfc_error ("Assumed-type variable %s at %L as actual argument to "
+ "an inquiry function shall be the first argument",
+ sym->name, &e->where);
+ return FAILURE;
+ }
+ }
+
+ /* TS 29113, C535b. */
+ if ((sym->ts.type == BT_CLASS && sym->attr.class_ok
+ && CLASS_DATA (sym)->as
+ && CLASS_DATA (sym)->as->type == AS_ASSUMED_RANK)
+ || (sym->ts.type != BT_CLASS && sym->as
+ && sym->as->type == AS_ASSUMED_RANK))
+ {
+ if (!actual_arg)
+ {
+ gfc_error ("Assumed-rank variable %s at %L may only be used as "
+ "actual argument", sym->name, &e->where);
+ return FAILURE;
+ }
+ else if (inquiry_argument && !first_actual_arg)
+ {
+ /* FIXME: It doesn't work reliably as inquiry_argument is not set
+ for all inquiry functions in resolve_function; the reason is
+ that the function-name resolution happens too late in that
+ function. */
+ gfc_error ("Assumed-rank variable %s at %L as actual argument "
+ "to an inquiry function shall be the first argument",
+ sym->name, &e->where);
+ return FAILURE;
+ }
+ }
+
+ /* TS 29113, 407b. */
+ if (e->ts.type == BT_ASSUMED && e->ref
+ && !(e->ref->type == REF_ARRAY && e->ref->u.ar.type == AR_FULL
+ && e->ref->next == NULL))
+ {
+ gfc_error ("Assumed-type variable %s at %L shall not have a subobject "
+ "reference", sym->name, &e->ref->u.ar.where);
+ return FAILURE;
+ }
+
+ /* TS 29113, C535b. */
+ if (((sym->ts.type == BT_CLASS && sym->attr.class_ok
+ && CLASS_DATA (sym)->as
+ && CLASS_DATA (sym)->as->type == AS_ASSUMED_RANK)
+ || (sym->ts.type != BT_CLASS && sym->as
+ && sym->as->type == AS_ASSUMED_RANK))
+ && e->ref
+ && !(e->ref->type == REF_ARRAY && e->ref->u.ar.type == AR_FULL
+ && e->ref->next == NULL))
+ {
+ gfc_error ("Assumed-rank variable %s at %L shall not have a subobject "
+ "reference", sym->name, &e->ref->u.ar.where);
+ return FAILURE;
+ }
+
+
/* If this is an associate-name, it may be parsed with an array reference
- in error even though the target is scalar. Fail directly in this case. */
- if (sym->assoc && !sym->attr.dimension && e->ref && e->ref->type == REF_ARRAY)
- return FAILURE;
+ in error even though the target is scalar. Fail directly in this case.
+ TODO Understand why class scalar expressions must be excluded. */
+ if (sym->assoc && !(sym->ts.type == BT_CLASS && e->rank == 0))
+ {
+ if (sym->ts.type == BT_CLASS)
+ gfc_fix_class_refs (e);
+ if (!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 (check_assumed_size_reference (sym, e))
return FAILURE;
+ /* If a PRIVATE variable is used in the specification expression of the
+ result variable, it might be accessed from outside the module and can
+ thus not be TREE_PUBLIC() = 0.
+ TODO: sym->attr.public_used only has to be set for the result variable's
+ type-parameter expression and not for dummies or automatic variables.
+ Additionally, it only has to be set if the function is either PUBLIC or
+ used in a generic interface or TBP; unfortunately,
+ proc_name->attr.public_used can get set at a later stage. */
+ if (specification_expr && sym->attr.access == ACCESS_PRIVATE
+ && !sym->attr.function && !sym->attr.use_assoc
+ && gfc_current_ns->proc_name && gfc_current_ns->proc_name->attr.function)
+ sym->attr.public_used = 1;
+
/* Deal with forward references to entries during resolve_code, to
satisfy, at least partially, 12.5.2.5. */
if (gfc_current_ns->entries
return FAILURE;
/* F08:R739. */
- if (po->rank > 0)
+ if (po->rank != 0)
{
gfc_error ("Passed-object at %L must be scalar", &e->where);
return FAILURE;
/* F08:C1230. If the procedure called is NOPASS,
the base object must be scalar. */
- if (e->value.compcall.tbp->nopass && base->rank > 0)
+ if (e->value.compcall.tbp->nopass && base->rank != 0)
{
gfc_error ("Base object for NOPASS type-bound procedure call at %L must"
" be scalar", &e->where);
goto cleanup;
}
- /* FIXME: Remove once PR 43214 is fixed (TBP with non-scalar PASS). */
- if (base->rank > 0)
- {
- gfc_error ("Non-scalar base object at %L currently not implemented",
- &e->where);
- goto cleanup;
- }
-
return_value = SUCCESS;
cleanup:
e->ref = NULL;
e->value.compcall.actual = NULL;
+ /* If we find a deferred typebound procedure, check for derived types
+ that an overriding typebound procedure has not been missed. */
+ if (e->value.compcall.name
+ && !e->value.compcall.tbp->non_overridable
+ && e->value.compcall.base_object
+ && e->value.compcall.base_object->ts.type == BT_DERIVED)
+ {
+ gfc_symtree *st;
+ gfc_symbol *derived;
+
+ /* Use the derived type of the base_object. */
+ derived = e->value.compcall.base_object->ts.u.derived;
+ st = NULL;
+
+ /* If necessary, go through the inheritance chain. */
+ while (!st && derived)
+ {
+ /* Look for the typebound procedure 'name'. */
+ if (derived->f2k_derived && derived->f2k_derived->tb_sym_root)
+ st = gfc_find_symtree (derived->f2k_derived->tb_sym_root,
+ e->value.compcall.name);
+ if (!st)
+ derived = gfc_get_derived_super_type (derived);
+ }
+
+ /* Now find the specific name in the derived type namespace. */
+ if (st && st->n.tb && st->n.tb->u.specific)
+ gfc_find_sym_tree (st->n.tb->u.specific->name,
+ derived->ns, 1, &st);
+ if (st)
+ *target = st;
+ }
return SUCCESS;
}
/* Get the ultimate declared type from an expression. In addition,
return the last class/derived type reference and the copy of the
- reference list. */
+ reference list. If check_types is set true, derived types are
+ identified as well as class references. */
static gfc_symbol*
get_declared_from_expr (gfc_ref **class_ref, gfc_ref **new_ref,
- gfc_expr *e)
+ gfc_expr *e, bool check_types)
{
gfc_symbol *declared;
gfc_ref *ref;
if (ref->type != REF_COMPONENT)
continue;
- if (ref->u.c.component->ts.type == BT_CLASS
- || ref->u.c.component->ts.type == BT_DERIVED)
+ if ((ref->u.c.component->ts.type == BT_CLASS
+ || (check_types && ref->u.c.component->ts.type == BT_DERIVED))
+ && ref->u.c.component->attr.flavor != FL_PROCEDURE)
{
declared = ref->u.c.component->ts.u.derived;
if (class_ref)
success:
/* Make sure that we have the right specific instance for the name. */
- derived = get_declared_from_expr (NULL, NULL, e);
+ derived = get_declared_from_expr (NULL, NULL, e, true);
st = gfc_find_typebound_proc (derived, NULL, genname, true, &e->where);
if (st)
const char *name;
gfc_typespec ts;
gfc_expr *expr;
+ bool overridable;
st = e->symtree;
/* Deal with typebound operators for CLASS objects. */
expr = e->value.compcall.base_object;
+ overridable = !e->value.compcall.tbp->non_overridable;
if (expr && expr->ts.type == BT_CLASS && e->value.compcall.name)
{
+ /* If the base_object is not a variable, the corresponding actual
+ argument expression must be stored in e->base_expression so
+ that the corresponding tree temporary can be used as the base
+ object in gfc_conv_procedure_call. */
+ if (expr->expr_type != EXPR_VARIABLE)
+ {
+ gfc_actual_arglist *args;
+
+ for (args= e->value.function.actual; args; args = args->next)
+ {
+ if (expr == args->expr)
+ expr = args->expr;
+ }
+ }
+
/* Since the typebound operators are generic, we have to ensure
that any delays in resolution are corrected and that the vtab
is present. */
name = name ? name : e->value.function.esym->name;
e->symtree = expr->symtree;
e->ref = gfc_copy_ref (expr->ref);
+ get_declared_from_expr (&class_ref, NULL, e, false);
+
+ /* Trim away the extraneous references that emerge from nested
+ use of interface.c (extend_expr). */
+ if (class_ref && class_ref->next)
+ {
+ gfc_free_ref_list (class_ref->next);
+ class_ref->next = NULL;
+ }
+ else if (e->ref && !class_ref)
+ {
+ gfc_free_ref_list (e->ref);
+ e->ref = NULL;
+ }
+
gfc_add_vptr_component (e);
gfc_add_component_ref (e, name);
e->value.function.esym = NULL;
+ if (expr->expr_type != EXPR_VARIABLE)
+ e->base_expr = expr;
return SUCCESS;
}
return FAILURE;
/* Get the CLASS declared type. */
- declared = get_declared_from_expr (&class_ref, &new_ref, e);
+ declared = get_declared_from_expr (&class_ref, &new_ref, e, true);
/* Weed out cases of the ultimate component being a derived type. */
if ((class_ref && class_ref->u.c.component->ts.type == BT_DERIVED)
return FAILURE;
ts = e->ts;
- /* Then convert the expression to a procedure pointer component call. */
- e->value.function.esym = NULL;
- e->symtree = st;
+ if (overridable)
+ {
+ /* Convert the expression to a procedure pointer component call. */
+ e->value.function.esym = NULL;
+ e->symtree = st;
+
+ if (new_ref)
+ e->ref = new_ref;
- if (new_ref)
- e->ref = new_ref;
+ /* '_vptr' points to the vtab, which contains the procedure pointers. */
+ gfc_add_vptr_component (e);
+ gfc_add_component_ref (e, name);
- /* '_vptr' points to the vtab, which contains the procedure pointers. */
- gfc_add_vptr_component (e);
- gfc_add_component_ref (e, name);
+ /* Recover the typespec for the expression. This is really only
+ necessary for generic procedures, where the additional call
+ to gfc_add_component_ref seems to throw the collection of the
+ correct typespec. */
+ e->ts = ts;
+ }
- /* Recover the typespec for the expression. This is really only
- necessary for generic procedures, where the additional call
- to gfc_add_component_ref seems to throw the collection of the
- correct typespec. */
- e->ts = ts;
return SUCCESS;
}
const char *name;
gfc_typespec ts;
gfc_expr *expr;
+ bool overridable;
st = code->expr1->symtree;
/* Deal with typebound operators for CLASS objects. */
expr = code->expr1->value.compcall.base_object;
+ overridable = !code->expr1->value.compcall.tbp->non_overridable;
if (expr && expr->ts.type == BT_CLASS && code->expr1->value.compcall.name)
{
+ /* If the base_object is not a variable, the corresponding actual
+ argument expression must be stored in e->base_expression so
+ that the corresponding tree temporary can be used as the base
+ object in gfc_conv_procedure_call. */
+ if (expr->expr_type != EXPR_VARIABLE)
+ {
+ gfc_actual_arglist *args;
+
+ args= code->expr1->value.function.actual;
+ for (; args; args = args->next)
+ if (expr == args->expr)
+ expr = args->expr;
+ }
+
/* Since the typebound operators are generic, we have to ensure
that any delays in resolution are corrected and that the vtab
is present. */
name = name ? name : code->expr1->value.function.esym->name;
code->expr1->symtree = expr->symtree;
code->expr1->ref = gfc_copy_ref (expr->ref);
+
+ /* Trim away the extraneous references that emerge from nested
+ use of interface.c (extend_expr). */
+ get_declared_from_expr (&class_ref, NULL, code->expr1, false);
+ if (class_ref && class_ref->next)
+ {
+ gfc_free_ref_list (class_ref->next);
+ class_ref->next = NULL;
+ }
+ else if (code->expr1->ref && !class_ref)
+ {
+ gfc_free_ref_list (code->expr1->ref);
+ code->expr1->ref = NULL;
+ }
+
+ /* Now use the procedure in the vtable. */
gfc_add_vptr_component (code->expr1);
gfc_add_component_ref (code->expr1, name);
code->expr1->value.function.esym = NULL;
+ if (expr->expr_type != EXPR_VARIABLE)
+ code->expr1->base_expr = expr;
return SUCCESS;
}
return FAILURE;
/* Get the CLASS declared type. */
- get_declared_from_expr (&class_ref, &new_ref, code->expr1);
+ get_declared_from_expr (&class_ref, &new_ref, code->expr1, true);
/* Weed out cases of the ultimate component being a derived type. */
if ((class_ref && class_ref->u.c.component->ts.type == BT_DERIVED)
return FAILURE;
ts = code->expr1->ts;
- /* Then convert the expression to a procedure pointer component call. */
- code->expr1->value.function.esym = NULL;
- code->expr1->symtree = st;
+ if (overridable)
+ {
+ /* Convert the expression to a procedure pointer component call. */
+ code->expr1->value.function.esym = NULL;
+ code->expr1->symtree = st;
+
+ if (new_ref)
+ code->expr1->ref = new_ref;
- if (new_ref)
- code->expr1->ref = new_ref;
+ /* '_vptr' points to the vtab, which contains the procedure pointers. */
+ gfc_add_vptr_component (code->expr1);
+ gfc_add_component_ref (code->expr1, name);
- /* '_vptr' points to the vtab, which contains the procedure pointers. */
- gfc_add_vptr_component (code->expr1);
- gfc_add_component_ref (code->expr1, name);
+ /* Recover the typespec for the expression. This is really only
+ necessary for generic procedures, where the additional call
+ to gfc_add_component_ref seems to throw the collection of the
+ correct typespec. */
+ code->expr1->ts = ts;
+ }
- /* Recover the typespec for the expression. This is really only
- necessary for generic procedures, where the additional call
- to gfc_add_component_ref seems to throw the collection of the
- correct typespec. */
- code->expr1->ts = ts;
return SUCCESS;
}
gfc_resolve_expr (gfc_expr *e)
{
gfc_try t;
- bool inquiry_save;
+ bool inquiry_save, actual_arg_save, first_actual_arg_save;
if (e == NULL)
return SUCCESS;
/* inquiry_argument only applies to variables. */
inquiry_save = inquiry_argument;
+ actual_arg_save = actual_arg;
+ first_actual_arg_save = first_actual_arg;
+
if (e->expr_type != EXPR_VARIABLE)
- inquiry_argument = false;
+ {
+ inquiry_argument = false;
+ actual_arg = false;
+ first_actual_arg = false;
+ }
switch (e->expr_type)
{
fixup_charlen (e);
inquiry_argument = inquiry_save;
+ actual_arg = actual_arg_save;
+ first_actual_arg = first_actual_arg_save;
return t;
}
{
if (real_ok)
return gfc_notify_std (GFC_STD_F95_DEL,
- "Deleted feature: %s at %L must be integer",
+ "%s at %L must be integer",
_(name_msgid), &expr->where);
else
{
gfc_error ("FORALL start expression at %L must be a scalar INTEGER",
&iter->start->where);
if (iter->var->ts.kind != iter->start->ts.kind)
- gfc_convert_type (iter->start, &iter->var->ts, 2);
+ gfc_convert_type (iter->start, &iter->var->ts, 1);
if (gfc_resolve_expr (iter->end) == SUCCESS
&& (iter->end->ts.type != BT_INTEGER || iter->end->rank != 0))
gfc_error ("FORALL end expression at %L must be a scalar INTEGER",
&iter->end->where);
if (iter->var->ts.kind != iter->end->ts.kind)
- gfc_convert_type (iter->end, &iter->var->ts, 2);
+ gfc_convert_type (iter->end, &iter->var->ts, 1);
if (gfc_resolve_expr (iter->stride) == SUCCESS)
{
&iter->stride->where);
}
if (iter->var->ts.kind != iter->stride->ts.kind)
- gfc_convert_type (iter->stride, &iter->var->ts, 2);
+ gfc_convert_type (iter->stride, &iter->var->ts, 1);
}
for (iter = it; iter; iter = iter->next)
gfc_component *c;
gfc_try t;
- /* Mark the ultimost array component as being in allocate to allow DIMEN_STAR
+ /* Mark the utmost array component as being in allocate to allow DIMEN_STAR
checking of coarrays. */
for (ref = e->ref; ref; ref = ref->next)
if (ref->next == NULL)
}
else
{
- if (sym->ts.type == BT_CLASS)
+ if (sym->ts.type == BT_CLASS && CLASS_DATA (sym))
{
allocatable = CLASS_DATA (sym)->attr.allocatable;
pointer = CLASS_DATA (sym)->attr.class_pointer;
}
}
+ /* Check for F08:C628. */
if (allocatable == 0 && pointer == 0)
{
gfc_error ("Allocate-object at %L must be ALLOCATABLE or a POINTER",
goto failure;
}
+ if (code->ext.alloc.ts.type == BT_CHARACTER && !e->ts.deferred)
+ {
+ int cmp = gfc_dep_compare_expr (e->ts.u.cl->length,
+ code->ext.alloc.ts.u.cl->length);
+ if (cmp == 1 || cmp == -1 || cmp == -3)
+ {
+ gfc_error ("Allocating %s at %L with type-spec requires the same "
+ "character-length parameter as in the declaration",
+ sym->name, &e->where);
+ goto failure;
+ }
+ }
+
/* In the variable definition context checks, gfc_expr_attr is used
on the expression. This is fooled by the array specification
present in e, thus we have to eliminate that one temporarily. */
if (t == FAILURE)
goto failure;
- if (!code->expr3)
+ if (e->ts.type == BT_CLASS && CLASS_DATA (e)->attr.dimension
+ && !code->expr3 && code->ext.alloc.ts.type == BT_DERIVED)
+ {
+ /* For class arrays, the initialization with SOURCE is done
+ using _copy and trans_call. It is convenient to exploit that
+ when the allocated type is different from the declared type but
+ no SOURCE exists by setting expr3. */
+ code->expr3 = gfc_default_initializer (&code->ext.alloc.ts);
+ }
+ else if (!code->expr3)
{
/* Set up default initializer if needed. */
gfc_typespec ts;
else if (code->ext.alloc.ts.type == BT_DERIVED)
ts = code->ext.alloc.ts;
gfc_find_derived_vtab (ts.u.derived);
+ if (dimension)
+ e = gfc_expr_to_initialize (e);
}
if (dimension == 0 && codimension == 0)
goto success;
- /* Make sure the last reference node is an array specifiction. */
+ /* Make sure the last reference node is an array specification. */
if (!ref2 || ref2->type != REF_ARRAY || ref2->u.ar.type == AR_FULL
|| (dimension && ref2->u.ar.dimen == 0))
}
}
- /* Check that an allocate-object appears only once in the statement.
- FIXME: Checking derived types is disabled. */
+ /* Check that an allocate-object appears only once in the statement. */
+
for (p = code->ext.alloc.list; p; p = p->next)
{
pe = p->expr;
{
gfc_array_ref *par = &(pr->u.ar);
gfc_array_ref *qar = &(qr->u.ar);
- if (gfc_dep_compare_expr (par->start[0],
- qar->start[0]) != 0)
- break;
+ if ((par->start[0] != NULL || qar->start[0] != NULL)
+ && gfc_dep_compare_expr (par->start[0],
+ qar->start[0]) != 0)
+ break;
}
}
else
return;
}
- if (case_expr->rank != 0)
- {
- gfc_error ("Argument of SELECT statement at %L must be a scalar "
- "expression", &case_expr->where);
-
- /* Punt. */
- return;
- }
-
-
/* Raise a warning if an INTEGER case value exceeds the range of
the case-expr. Later, all expressions will be promoted to the
largest kind of all case-labels. */
}
-/* Resolve an associate name: Resolve target and ensure the type-spec is
+/* Resolve an associate-name: Resolve target and ensure the type-spec is
correct as well as possibly the array-spec. */
static void
sym->attr.asynchronous = tsym->attr.asynchronous;
sym->attr.volatile_ = tsym->attr.volatile_;
- sym->attr.target = (tsym->attr.target || tsym->attr.pointer);
+ sym->attr.target = tsym->attr.target
+ || gfc_expr_attr (target).pointer;
}
/* Get type if this was not already set. Note that it can be
sym->attr.dimension = 0;
return;
}
- if (target->rank > 0)
+
+ /* We cannot deal with class selectors that need temporaries. */
+ if (target->ts.type == BT_CLASS
+ && gfc_ref_needs_temporary_p (target->ref))
+ {
+ gfc_error ("CLASS selector at %L needs a temporary which is not "
+ "yet implemented", &target->where);
+ return;
+ }
+
+ if (target->ts.type != BT_CLASS && target->rank > 0)
sym->attr.dimension = 1;
+ else if (target->ts.type == BT_CLASS)
+ gfc_fix_class_refs (target);
+
+ /* The associate-name will have a correct type by now. Make absolutely
+ sure that it has not picked up a dimension attribute. */
+ if (sym->ts.type == BT_CLASS)
+ sym->attr.dimension = 0;
if (sym->attr.dimension)
{
return;
}
+ if (!code->expr1->symtree->n.sym->attr.class_ok)
+ return;
+
if (code->expr2)
{
if (code->expr1->symtree->n.sym->attr.untyped)
assoc = gfc_get_association_list ();
assoc->st = code->expr1->symtree;
assoc->target = gfc_copy_expr (code->expr2);
+ assoc->target->where = code->expr2->where;
/* assoc->variable will be set by resolve_assoc_var. */
code->ext.block.assoc = assoc;
st = gfc_find_symtree (ns->sym_root, name);
gcc_assert (st->n.sym->assoc);
st->n.sym->assoc->target = gfc_get_variable_expr (code->expr1->symtree);
+ st->n.sym->assoc->target->where = code->expr1->where;
if (c->ts.type == BT_DERIVED)
gfc_add_data_component (st->n.sym->assoc->target);
/* Chain in the new list only if it is marked as dangling. Otherwise
there is a CASE label overlap and this is already used. Just ignore,
- the error is diagonsed elsewhere. */
+ the error is diagnosed elsewhere. */
if (st->n.sym->assoc->dangling)
{
new_st->ext.block.assoc = st->n.sym->assoc;
}
}
- if (sym->as != NULL && sym->as->type == AS_ASSUMED_SIZE
+ if (sym->as != NULL && sym->as->type == AS_ASSUMED_SIZE && exp->ref
&& exp->ref->type == REF_ARRAY && exp->ref->u.ar.type == AR_FULL)
{
gfc_error ("Data transfer element at %L cannot be a full reference to "
rhs = code->expr2;
if (rhs->is_boz
- && gfc_notify_std (GFC_STD_GNU, "Extension: BOZ literal at %L outside "
+ && gfc_notify_std (GFC_STD_GNU, "BOZ literal at %L outside "
"a DATA statement and outside INT/REAL/DBLE/CMPLX",
&code->loc) == FAILURE)
return false;
and coindexed; cf. F2008, 7.2.1.2 and PR 43366. */
if (lhs->ts.type == BT_CLASS)
{
- gfc_error ("Variable must not be polymorphic in assignment at %L",
- &lhs->where);
+ gfc_error ("Variable must not be polymorphic in intrinsic assignment at "
+ "%L - check that there is a matching specific subroutine "
+ "for '=' operator", &lhs->where);
return false;
}
case EXEC_OMP_WORKSHARE:
omp_workshare_save = omp_workshare_flag;
omp_workshare_flag = 1;
- /* FALLTHROUGH */
+ /* FALL THROUGH */
default:
gfc_resolve_blocks (code->block, ns);
break;
{
gfc_gsymbol *binding_label_gsym;
gfc_gsymbol *comm_name_gsym;
+ const char * bind_label = comm_block_tree->n.common->binding_label
+ ? comm_block_tree->n.common->binding_label : "";
/* See if a global symbol exists by the common block's name. It may
be NULL if the common block is use-associated. */
if (comm_name_gsym != NULL && comm_name_gsym->type != GSYM_COMMON)
gfc_error ("Binding label '%s' for common block '%s' at %L collides "
"with the global entity '%s' at %L",
- comm_block_tree->n.common->binding_label,
+ bind_label,
comm_block_tree->n.common->name,
&(comm_block_tree->n.common->where),
comm_name_gsym->name, &(comm_name_gsym->where));
as expected. */
if (comm_name_gsym->binding_label == NULL)
/* No binding label for common block stored yet; save this one. */
- comm_name_gsym->binding_label =
- comm_block_tree->n.common->binding_label;
- else
- if (strcmp (comm_name_gsym->binding_label,
- comm_block_tree->n.common->binding_label) != 0)
+ comm_name_gsym->binding_label = bind_label;
+ else if (strcmp (comm_name_gsym->binding_label, bind_label) != 0)
{
/* Common block names match but binding labels do not. */
gfc_error ("Binding label '%s' for common block '%s' at %L "
"does not match the binding label '%s' for common "
"block '%s' at %L",
- comm_block_tree->n.common->binding_label,
+ bind_label,
comm_block_tree->n.common->name,
&(comm_block_tree->n.common->where),
comm_name_gsym->binding_label,
/* There is no binding label (NAME="") so we have nothing further to
check and nothing to add as a global symbol for the label. */
- if (comm_block_tree->n.common->binding_label[0] == '\0' )
+ if (!comm_block_tree->n.common->binding_label)
return;
binding_label_gsym =
int has_error = 0;
if (sym != NULL && sym->attr.is_bind_c && sym->attr.is_iso_c == 0
- && sym->attr.flavor != FL_DERIVED && sym->binding_label[0] != '\0')
+ && sym->attr.flavor != FL_DERIVED && sym->binding_label)
{
gfc_gsymbol *bind_c_sym;
}
if (has_error != 0)
- /* Clear the binding label to prevent checking multiple times. */
- sym->binding_label[0] = '\0';
+ /* Clear the binding label to prevent checking multiple times. */
+ sym->binding_label = NULL;
}
else if (bind_c_sym == NULL)
{
cl->resolved = 1;
- specification_expr = 1;
- if (resolve_index_expr (cl->length) == FAILURE)
+ if (cl->length_from_typespec)
{
- specification_expr = 0;
- return FAILURE;
+ if (gfc_resolve_expr (cl->length) == FAILURE)
+ return FAILURE;
+
+ if (gfc_simplify_expr (cl->length, 0) == FAILURE)
+ return FAILURE;
+ }
+ else
+ {
+ specification_expr = 1;
+
+ if (resolve_index_expr (cl->length) == FAILURE)
+ {
+ specification_expr = 0;
+ return FAILURE;
+ }
}
/* "If the character length parameter value evaluates to a negative
int i;
/* These symbols should never have a default initialization. */
- if ((sym->attr.dimension && !gfc_is_compile_time_shape (sym->as))
+ if (sym->attr.allocatable
|| sym->attr.external
|| sym->attr.dummy
|| sym->attr.pointer
|| sym->attr.data
|| sym->module
|| sym->attr.cray_pointee
- || sym->attr.cray_pointer)
+ || sym->attr.cray_pointer
+ || sym->assoc)
return NULL;
/* Now we'll try to build an initializer expression. */
gfc_free_expr (init_expr);
init_expr = NULL;
}
+ if (!init_expr && gfc_option.flag_init_character == GFC_INIT_CHARACTER_ON
+ && sym->ts.u.cl->length)
+ {
+ gfc_actual_arglist *arg;
+ init_expr = gfc_get_expr ();
+ init_expr->where = sym->declared_at;
+ init_expr->ts = sym->ts;
+ init_expr->expr_type = EXPR_FUNCTION;
+ init_expr->value.function.isym =
+ gfc_intrinsic_function_by_id (GFC_ISYM_REPEAT);
+ init_expr->value.function.name = "repeat";
+ arg = gfc_get_actual_arglist ();
+ arg->expr = gfc_get_character_expr (sym->ts.kind, &sym->declared_at,
+ NULL, 1);
+ arg->expr->value.character.string[0]
+ = gfc_option.flag_init_character_value;
+ arg->next = gfc_get_actual_arglist ();
+ arg->next->expr = gfc_copy_expr (sym->ts.u.cl->length);
+ init_expr->value.function.actual = arg;
+ }
break;
default:
if (init == NULL)
return;
- /* For saved variables, we don't want to add an initializer at
- function entry, so we just add a static initializer. */
+ /* For saved variables, we don't want to add an initializer at function
+ entry, so we just add a static initializer. Note that automatic variables
+ are stack allocated even with -fno-automatic. */
if (sym->attr.save || sym->ns->save_all
- || gfc_option.flag_max_stack_var_size == 0)
+ || (gfc_option.flag_max_stack_var_size == 0
+ && (!sym->attr.dimension || !is_non_constant_shape_array (sym))))
{
/* Don't clobber an existing initializer! */
gcc_assert (sym->value == NULL);
static gfc_try
resolve_fl_var_and_proc (gfc_symbol *sym, int mp_flag)
{
+ gfc_array_spec *as;
+
/* Avoid double diagnostics for function result symbols. */
if ((sym->result || sym->attr.result) && !sym->attr.dummy
&& (sym->ns != gfc_current_ns))
return SUCCESS;
+ if (sym->ts.type == BT_CLASS && sym->attr.class_ok)
+ as = CLASS_DATA (sym)->as;
+ else
+ as = sym->as;
+
/* Constraints on deferred shape variable. */
- if (sym->as == NULL || sym->as->type != AS_DEFERRED)
+ if (as == NULL || as->type != AS_DEFERRED)
{
- if (sym->attr.allocatable)
+ bool pointer, allocatable, dimension;
+
+ if (sym->ts.type == BT_CLASS && sym->attr.class_ok)
{
- if (sym->attr.dimension)
+ pointer = CLASS_DATA (sym)->attr.class_pointer;
+ allocatable = CLASS_DATA (sym)->attr.allocatable;
+ dimension = CLASS_DATA (sym)->attr.dimension;
+ }
+ else
+ {
+ pointer = sym->attr.pointer;
+ allocatable = sym->attr.allocatable;
+ dimension = sym->attr.dimension;
+ }
+
+ if (allocatable)
+ {
+ if (dimension && as->type != AS_ASSUMED_RANK)
{
- gfc_error ("Allocatable array '%s' at %L must have "
- "a deferred shape", sym->name, &sym->declared_at);
+ gfc_error ("Allocatable array '%s' at %L must have a deferred "
+ "shape or assumed rank", sym->name, &sym->declared_at);
return FAILURE;
}
- else if (gfc_notify_std (GFC_STD_F2003, "Scalar object '%s' at %L "
- "may not be ALLOCATABLE", sym->name,
- &sym->declared_at) == FAILURE)
+ else if (gfc_notify_std (GFC_STD_F2003, "Scalar object "
+ "'%s' at %L may not be ALLOCATABLE",
+ sym->name, &sym->declared_at) == FAILURE)
return FAILURE;
}
- if (sym->attr.pointer && sym->attr.dimension)
+ if (pointer && dimension && as->type != AS_ASSUMED_RANK)
{
- gfc_error ("Array pointer '%s' at %L must have a deferred shape",
- sym->name, &sym->declared_at);
+ gfc_error ("Array pointer '%s' at %L must have a deferred shape or "
+ "assumed rank", sym->name, &sym->declared_at);
return FAILURE;
}
}
{
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 "
&& !sym->ns->save_all && !sym->attr.save
&& !sym->attr.pointer && !sym->attr.allocatable
&& gfc_has_default_initializer (sym->ts.u.derived)
- && gfc_notify_std (GFC_STD_F2008, "Fortran 2008: Implied SAVE for "
+ && gfc_notify_std (GFC_STD_F2008, "Implied SAVE for "
"module variable '%s' at %L, needed due to "
"the default initialization", sym->name,
&sym->declared_at) == FAILURE)
&& arg->sym->ts.type == BT_DERIVED
&& !arg->sym->ts.u.derived->attr.use_assoc
&& !gfc_check_symbol_access (arg->sym->ts.u.derived)
- && gfc_notify_std (GFC_STD_F2003, "Fortran 2003: '%s' is of a "
+ && gfc_notify_std (GFC_STD_F2003, "'%s' is of a "
"PRIVATE type and cannot be a dummy argument"
" of '%s', which is PUBLIC at %L",
arg->sym->name, sym->name, &sym->declared_at)
&& arg->sym->ts.type == BT_DERIVED
&& !arg->sym->ts.u.derived->attr.use_assoc
&& !gfc_check_symbol_access (arg->sym->ts.u.derived)
- && gfc_notify_std (GFC_STD_F2003, "Fortran 2003: Procedure "
+ && gfc_notify_std (GFC_STD_F2003, "Procedure "
"'%s' in PUBLIC interface '%s' at %L "
"takes dummy arguments of '%s' which is "
"PRIVATE", iface->sym->name, sym->name,
&& arg->sym->ts.type == BT_DERIVED
&& !arg->sym->ts.u.derived->attr.use_assoc
&& !gfc_check_symbol_access (arg->sym->ts.u.derived)
- && gfc_notify_std (GFC_STD_F2003, "Fortran 2003: Procedure "
+ && gfc_notify_std (GFC_STD_F2003, "Procedure "
"'%s' in PUBLIC interface '%s' at %L "
"takes dummy arguments of '%s' which is "
"PRIVATE", iface->sym->name, sym->name,
actual length; (ii) To declare a named constant; or (iii) External
function - but length must be declared in calling scoping unit. */
if (sym->attr.function
- && sym->ts.type == BT_CHARACTER
+ && sym->ts.type == BT_CHARACTER && !sym->ts.deferred
&& sym->ts.u.cl && sym->ts.u.cl->length == NULL)
{
if ((sym->as && sym->as->rank) || (sym->attr.pointer)
if (!sym->attr.contained
&& gfc_current_form != FORM_FIXED
&& !sym->ts.deferred)
- gfc_notify_std (GFC_STD_F95_OBS, "Obsolescent feature: "
+ gfc_notify_std (GFC_STD_F95_OBS,
"CHARACTER(*) function '%s' at %L",
sym->name, &sym->declared_at);
}
{
/* Skip implicitly typed dummy args here. */
if (curr_arg->sym->attr.implicit_type == 0)
- if (verify_c_interop_param (curr_arg->sym) == FAILURE)
+ if (gfc_verify_c_interop_param (curr_arg->sym) == FAILURE)
/* If something is found to fail, record the fact so we
can mark the symbol for the procedure as not being
BIND(C) to try and prevent multiple errors being
}
/* Warn if the procedure is non-scalar and not assumed shape. */
- if (gfc_option.warn_surprising && arg->as && arg->as->rank > 0
+ if (gfc_option.warn_surprising && arg->as && arg->as->rank != 0
&& arg->as->type != AS_ASSUMED_SHAPE)
gfc_warning ("Non-scalar FINAL procedure at %L should have assumed"
" shape argument", &arg->declared_at);
check_generic_tbp_ambiguity (gfc_tbp_generic* t1, gfc_tbp_generic* t2,
const char* generic_name, locus where)
{
- gfc_symbol* sym1;
- gfc_symbol* sym2;
+ gfc_symbol *sym1, *sym2;
+ const char *pass1, *pass2;
gcc_assert (t1->specific && t2->specific);
gcc_assert (!t1->specific->is_generic);
gcc_assert (!t2->specific->is_generic);
+ gcc_assert (t1->is_operator == t2->is_operator);
sym1 = t1->specific->u.specific->n.sym;
sym2 = t2->specific->u.specific->n.sym;
}
/* Compare the interfaces. */
- if (gfc_compare_interfaces (sym1, sym2, sym2->name, 1, 0, NULL, 0))
+ if (t1->specific->nopass)
+ pass1 = NULL;
+ else if (t1->specific->pass_arg)
+ pass1 = t1->specific->pass_arg;
+ else
+ pass1 = t1->specific->u.specific->n.sym->formal->sym->name;
+ if (t2->specific->nopass)
+ pass2 = NULL;
+ else if (t2->specific->pass_arg)
+ pass2 = t2->specific->pass_arg;
+ else
+ pass2 = t2->specific->u.specific->n.sym->formal->sym->name;
+ if (gfc_compare_interfaces (sym1, sym2, sym2->name, !t1->is_operator, 0,
+ NULL, 0, pass1, pass2))
{
gfc_error ("'%s' and '%s' for GENERIC '%s' at %L are ambiguous",
sym1->name, sym2->name, generic_name, &where);
if (!gfc_check_operator_interface (target_proc, op, p->where))
goto error;
+
+ /* Add target to non-typebound operator list. */
+ if (!target->specific->deferred && !derived->attr.use_assoc
+ && p->access != ACCESS_PRIVATE)
+ {
+ gfc_interface *head, *intr;
+ if (gfc_check_new_interface (derived->ns->op[op], target_proc,
+ p->where) == FAILURE)
+ return FAILURE;
+ head = derived->ns->op[op];
+ intr = gfc_get_interface ();
+ intr->sym = target_proc;
+ intr->where = p->where;
+ intr->next = head;
+ derived->ns->op[op] = intr;
+ }
}
return SUCCESS;
gcc_assert (stree->n.tb->u.specific);
proc = stree->n.tb->u.specific->n.sym;
where = stree->n.tb->where;
+ proc->attr.public_used = 1;
/* Default access should already be resolved from the parser. */
gcc_assert (stree->n.tb->access != ACCESS_UNKNOWN);
}
gcc_assert (me_arg->ts.type == BT_CLASS);
- if (CLASS_DATA (me_arg)->as && CLASS_DATA (me_arg)->as->rank > 0)
+ if (CLASS_DATA (me_arg)->as && CLASS_DATA (me_arg)->as->rank != 0)
{
gfc_error ("Passed-object dummy argument of '%s' at %L must be"
" scalar", proc->name, &where);
return FAILURE;
}
- for (c = sym->components; c != NULL; c = c->next)
+ c = (sym->attr.is_class) ? sym->components->ts.u.derived->components
+ : sym->components;
+
+ for ( ; c != NULL; c = c->next)
{
+ /* See PRs 51550, 47545, 48654, 49050, 51075 - and 45170. */
+ if (c->ts.type == BT_CHARACTER && c->ts.deferred && !c->attr.function)
+ {
+ gfc_error ("Deferred-length character component '%s' at %L is not "
+ "yet supported", c->name, &c->loc);
+ return FAILURE;
+ }
+
/* F2008, C442. */
- if (c->attr.codimension /* FIXME: c->as check due to PR 43412. */
+ if ((!sym->attr.is_class || c != sym->components)
+ && c->attr.codimension
&& (!c->attr.allocatable || (c->as && c->as->type != AS_DEFERRED)))
{
gfc_error ("Coarray component '%s' at %L must be allocatable with "
resolve_symbol (ifc);
if (ifc->attr.intrinsic)
- resolve_intrinsic (ifc, &ifc->declared_at);
+ gfc_resolve_intrinsic (ifc, &ifc->declared_at);
if (ifc->result)
{
c->ts.interface = ifc;
c->attr.function = ifc->attr.function;
c->attr.subroutine = ifc->attr.subroutine;
- gfc_copy_formal_args_ppc (c, ifc);
+ gfc_copy_formal_args_ppc (c, ifc, IFSRC_DECL);
c->attr.pure = ifc->attr.pure;
c->attr.elemental = ifc->attr.elemental;
}
/* Check type-spec if this is not the parent-type component. */
- if ((!sym->attr.extension || c != sym->components) && !sym->attr.vtype
+ if (((sym->attr.is_class
+ && (!sym->components->ts.u.derived->attr.extension
+ || c != sym->components->ts.u.derived->components))
+ || (!sym->attr.is_class
+ && (!sym->attr.extension || c != sym->components)))
+ && !sym->attr.vtype
&& resolve_typespec_used (&c->ts, &c->loc, c->name) == FAILURE)
return FAILURE;
/* If this type is an extension, set the accessibility of the parent
component. */
- if (super_type && c == sym->components
+ if (super_type
+ && ((sym->attr.is_class
+ && c == sym->components->ts.u.derived->components)
+ || (!sym->attr.is_class && c == sym->components))
&& strcmp (super_type->name, c->name) == 0)
c->attr.access = super_type->attr.access;
&& !is_sym_host_assoc (c->ts.u.derived, sym->ns)
&& !c->ts.u.derived->attr.use_assoc
&& !gfc_check_symbol_access (c->ts.u.derived)
- && gfc_notify_std (GFC_STD_F2003, "Fortran 2003: the component '%s' "
+ && gfc_notify_std (GFC_STD_F2003, "the component '%s' "
"is a PRIVATE type and cannot be a component of "
"'%s', which is PUBLIC at %L", c->name,
sym->name, &sym->declared_at) == FAILURE)
}
}
+ 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)
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
+ && (!gen_dt->generic->sym->attr.use_assoc
+ || gen_dt->generic->sym->module != gen_dt->generic->next->sym->module)
+ && gfc_notify_std (GFC_STD_F2003, "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. */
}
if (nl->sym->as && nl->sym->as->type == AS_ASSUMED_SHAPE
- && gfc_notify_std (GFC_STD_F2003, "Fortran 2003: NAMELIST array "
+ && gfc_notify_std (GFC_STD_F2003, "NAMELIST array "
"object '%s' with assumed shape in namelist "
"'%s' at %L", nl->sym->name, sym->name,
&sym->declared_at) == FAILURE)
return FAILURE;
if (is_non_constant_shape_array (nl->sym)
- && gfc_notify_std (GFC_STD_F2003, "Fortran 2003: NAMELIST array "
+ && gfc_notify_std (GFC_STD_F2003, "NAMELIST array "
"object '%s' with nonconstant shape in namelist "
"'%s' at %L", nl->sym->name, sym->name,
&sym->declared_at) == FAILURE)
if (nl->sym->ts.type == BT_CHARACTER
&& (nl->sym->ts.u.cl->length == NULL
|| !gfc_is_constant_expr (nl->sym->ts.u.cl->length))
- && gfc_notify_std (GFC_STD_F2003, "Fortran 2003: NAMELIST object "
+ && gfc_notify_std (GFC_STD_F2003, "NAMELIST object "
"'%s' with nonconstant character length in "
"namelist '%s' at %L", nl->sym->name, sym->name,
&sym->declared_at) == FAILURE)
&& (nl->sym->ts.u.derived->attr.alloc_comp
|| nl->sym->ts.u.derived->attr.pointer_comp))
{
- if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: NAMELIST object "
+ if (gfc_notify_std (GFC_STD_F2003, "NAMELIST object "
"'%s' in namelist '%s' at %L with ALLOCATABLE "
"or POINTER components", nl->sym->name,
sym->name, &sym->declared_at) == FAILURE)
gfc_symtree *this_symtree;
gfc_namespace *ns;
gfc_component *c;
+ symbol_attribute class_attr;
+ gfc_array_spec *as;
- if (sym->attr.flavor == FL_UNKNOWN)
+ if (sym->attr.flavor == FL_UNKNOWN
+ || (sym->attr.flavor == FL_PROCEDURE && !sym->attr.intrinsic
+ && !sym->attr.generic && !sym->attr.external
+ && sym->attr.if_source == IFSRC_UNKNOWN))
{
/* If we find that a flavorless symbol is an interface in one of the
/* Otherwise give it a flavor according to such attributes as
it has. */
- if (sym->attr.external == 0 && sym->attr.intrinsic == 0)
+ if (sym->attr.flavor == FL_UNKNOWN && sym->attr.external == 0
+ && sym->attr.intrinsic == 0)
sym->attr.flavor = FL_VARIABLE;
- else
+ else if (sym->attr.flavor == FL_UNKNOWN)
{
sym->attr.flavor = FL_PROCEDURE;
if (sym->attr.dimension)
if (sym->attr.external && sym->ts.type != BT_UNKNOWN && !sym->attr.function)
gfc_add_function (&sym->attr, sym->name, &sym->declared_at);
- if (sym->attr.procedure && sym->ts.interface
- && sym->attr.if_source != IFSRC_DECL
+ if (sym->attr.procedure && sym->attr.if_source != IFSRC_DECL
&& resolve_procedure_interface (sym) == FAILURE)
return;
return;
}
-
- /* F2008, C530. */
- if (sym->attr.contiguous
- && (!sym->attr.dimension || (sym->as->type != AS_ASSUMED_SHAPE
- && !sym->attr.pointer)))
- {
- gfc_error ("'%s' at %L has the CONTIGUOUS attribute but is not an "
- "array pointer or an assumed-shape array", sym->name,
- &sym->declared_at);
- return;
- }
-
if (sym->attr.flavor == FL_DERIVED && resolve_fl_derived (sym) == FAILURE)
return;
representation. This needs to be done before assigning a default
type to avoid spurious warnings. */
if (sym->attr.flavor != FL_MODULE && sym->attr.intrinsic
- && resolve_intrinsic (sym, &sym->declared_at) == FAILURE)
+ && gfc_resolve_intrinsic (sym, &sym->declared_at) == FAILURE)
return;
/* Resolve associate names. */
if (sym->ts.type == BT_UNKNOWN)
{
if (sym->attr.flavor == FL_VARIABLE || sym->attr.flavor == FL_PARAMETER)
- gfc_set_default_type (sym, 1, NULL);
+ {
+ gfc_set_default_type (sym, 1, NULL);
+ }
if (sym->attr.flavor == FL_PROCEDURE && sym->attr.external
&& !sym->attr.function && !sym->attr.subroutine
else if (mp_flag && sym->attr.flavor == FL_PROCEDURE && sym->attr.function)
gfc_resolve_array_spec (sym->result->as, false);
+ if (sym->ts.type == BT_CLASS && sym->attr.class_ok)
+ {
+ as = CLASS_DATA (sym)->as;
+ class_attr = CLASS_DATA (sym)->attr;
+ class_attr.pointer = class_attr.class_pointer;
+ }
+ else
+ {
+ class_attr = sym->attr;
+ as = sym->as;
+ }
+
+ /* F2008, C530. */
+ if (sym->attr.contiguous
+ && (!class_attr.dimension
+ || (as->type != AS_ASSUMED_SHAPE && !class_attr.pointer)))
+ {
+ gfc_error ("'%s' at %L has the CONTIGUOUS attribute but is not an "
+ "array pointer or an assumed-shape array", sym->name,
+ &sym->declared_at);
+ return;
+ }
+
/* Assumed size arrays and assumed shape arrays must be dummy
arguments. Array-spec's of implied-shape should have been resolved to
AS_EXPLICIT already. */
- if (sym->as)
+ if (as)
{
- gcc_assert (sym->as->type != AS_IMPLIED_SHAPE);
- if (((sym->as->type == AS_ASSUMED_SIZE && !sym->as->cp_was_assumed)
- || sym->as->type == AS_ASSUMED_SHAPE)
+ gcc_assert (as->type != AS_IMPLIED_SHAPE);
+ if (((as->type == AS_ASSUMED_SIZE && !as->cp_was_assumed)
+ || as->type == AS_ASSUMED_SHAPE)
&& sym->attr.dummy == 0)
{
- if (sym->as->type == AS_ASSUMED_SIZE)
+ if (as->type == AS_ASSUMED_SIZE)
gfc_error ("Assumed size array at %L must be a dummy argument",
&sym->declared_at);
else
&sym->declared_at);
return;
}
+ /* TS 29113, C535a. */
+ if (as->type == AS_ASSUMED_RANK && !sym->attr.dummy)
+ {
+ gfc_error ("Assumed-rank array at %L must be a dummy argument",
+ &sym->declared_at);
+ return;
+ }
+ if (as->type == AS_ASSUMED_RANK
+ && (sym->attr.codimension || sym->attr.value))
+ {
+ gfc_error ("Assumed-rank array at %L may not have the VALUE or "
+ "CODIMENSION attribute", &sym->declared_at);
+ return;
+ }
}
/* Make sure symbols with known intent or optional are really dummy
}
}
+ 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 (sym->ts.type == BT_ASSUMED)
+ {
+ /* TS 29113, C407a. */
+ if (!sym->attr.dummy)
+ {
+ gfc_error ("Assumed type of variable %s at %L is only permitted "
+ "for dummy variables", sym->name, &sym->declared_at);
+ return;
+ }
+ if (sym->attr.allocatable || sym->attr.codimension
+ || sym->attr.pointer || sym->attr.value)
+ {
+ gfc_error ("Assumed-type variable %s at %L may not have the "
+ "ALLOCATABLE, CODIMENSION, POINTER or VALUE attribute",
+ sym->name, &sym->declared_at);
+ return;
+ }
+ if (sym->attr.intent == INTENT_OUT)
+ {
+ gfc_error ("Assumed-type variable %s at %L may not have the "
+ "INTENT(OUT) attribute",
+ sym->name, &sym->declared_at);
+ return;
+ }
+ if (sym->attr.dimension && sym->as->type == AS_EXPLICIT)
+ {
+ gfc_error ("Assumed-type variable %s at %L shall not be an "
+ "explicit-shape array", sym->name, &sym->declared_at);
+ 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
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', "
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.
&& !sym->ts.u.derived->attr.use_assoc
&& gfc_check_symbol_access (sym)
&& !gfc_check_symbol_access (sym->ts.u.derived)
- && gfc_notify_std (GFC_STD_F2003, "Fortran 2003: PUBLIC %s '%s' at %L "
+ && gfc_notify_std (GFC_STD_F2003, "PUBLIC %s '%s' at %L "
"of PRIVATE derived type '%s'",
(sym->attr.flavor == FL_PARAMETER) ? "parameter"
: "variable", sym->name, &sym->declared_at,
}
/* F2008, C525. */
- if (((sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.coarray_comp)
- || sym->attr.codimension)
+ if ((((sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.coarray_comp)
+ || (sym->ts.type == BT_CLASS && sym->attr.class_ok
+ && CLASS_DATA (sym)->attr.coarray_comp))
+ || class_attr.codimension)
&& (sym->attr.result || sym->result == sym))
{
gfc_error ("Function result '%s' at %L shall not be a coarray or have "
}
/* F2008, C525. */
- if (sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.coarray_comp
- && (sym->attr.codimension || sym->attr.pointer || sym->attr.dimension
- || sym->attr.allocatable))
+ if (((sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.coarray_comp)
+ || (sym->ts.type == BT_CLASS && sym->attr.class_ok
+ && CLASS_DATA (sym)->attr.coarray_comp))
+ && (class_attr.codimension || class_attr.pointer || class_attr.dimension
+ || class_attr.allocatable))
{
gfc_error ("Variable '%s' at %L with coarray component "
"shall be a nonpointer, nonallocatable scalar",
}
/* F2008, C526. The function-result case was handled above. */
- if (sym->attr.codimension
- && !(sym->attr.allocatable || sym->attr.dummy || sym->attr.save
+ if (class_attr.codimension
+ && !(class_attr.allocatable || sym->attr.dummy || sym->attr.save
+ || sym->attr.select_type_temporary
|| sym->ns->save_all
|| sym->ns->proc_name->attr.flavor == FL_MODULE
|| sym->ns->proc_name->attr.is_main_program
"nor a dummy argument", sym->name, &sym->declared_at);
return;
}
- /* F2008, C528. */ /* FIXME: sym->as check due to PR 43412. */
- else if (sym->attr.codimension && !sym->attr.allocatable
- && sym->as && sym->as->cotype == AS_DEFERRED)
+ /* F2008, C528. */
+ else if (class_attr.codimension && !sym->attr.select_type_temporary
+ && !class_attr.allocatable && as && as->cotype == AS_DEFERRED)
{
gfc_error ("Coarray variable '%s' at %L shall not have codimensions with "
"deferred shape", sym->name, &sym->declared_at);
return;
}
- else if (sym->attr.codimension && sym->attr.allocatable
- && (sym->as->type != AS_DEFERRED || sym->as->cotype != AS_DEFERRED))
+ else if (class_attr.codimension && class_attr.allocatable && as
+ && (as->cotype != AS_DEFERRED || as->type != AS_DEFERRED))
{
gfc_error ("Allocatable coarray variable '%s' at %L must have "
"deferred shape", sym->name, &sym->declared_at);
}
/* F2008, C541. */
- if (((sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.coarray_comp)
- || (sym->attr.codimension && sym->attr.allocatable))
+ if ((((sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.coarray_comp)
+ || (sym->ts.type == BT_CLASS && sym->attr.class_ok
+ && CLASS_DATA (sym)->attr.coarray_comp))
+ || (class_attr.codimension && class_attr.allocatable))
&& sym->attr.dummy && sym->attr.intent == INTENT_OUT)
{
gfc_error ("Variable '%s' at %L is INTENT(OUT) and can thus not be an "
return;
}
- if (sym->attr.codimension && sym->attr.dummy
+ if (class_attr.codimension && sym->attr.dummy
&& sym->ns->proc_name && sym->ns->proc_name->attr.is_bind_c)
{
gfc_error ("Coarray dummy variable '%s' at %L not allowed in BIND(C) "
int
gfc_implicit_pure (gfc_symbol *sym)
{
- symbol_attribute attr;
+ gfc_namespace *ns;
if (sym == NULL)
{
- /* Check if the current namespace is implicit_pure. */
- sym = gfc_current_ns->proc_name;
- if (sym == NULL)
- return 0;
- attr = sym->attr;
- if (attr.flavor == FL_PROCEDURE
- && attr.implicit_pure && !attr.pure)
- return 1;
- return 0;
+ /* Check if the current procedure is implicit_pure. Walk up
+ the procedure list until we find a procedure. */
+ for (ns = gfc_current_ns; ns; ns = ns->parent)
+ {
+ sym = ns->proc_name;
+ if (sym == NULL)
+ return 0;
+
+ if (sym->attr.flavor == FL_PROCEDURE)
+ break;
+ }
}
-
- attr = sym->attr;
-
- return attr.flavor == FL_PROCEDURE && attr.implicit_pure && !attr.pure;
+
+ return sym->attr.flavor == FL_PROCEDURE && sym->attr.implicit_pure
+ && !sym->attr.pure;
}
&& !gfc_check_symbol_access (sym->ts.u.derived)
&& gfc_check_symbol_access (sym))
{
- gfc_notify_std (GFC_STD_F2003, "Fortran 2003: PUBLIC function '%s' at "
+ gfc_notify_std (GFC_STD_F2003, "PUBLIC function '%s' at "
"%L of PRIVATE type '%s'", sym->name,
&sym->declared_at, sym->ts.u.derived->name);
}