@@ -156,6 +156,7 @@ gfc_build_st_parameter (enum ioparam_type ptype, tree *types)
char name[64];
size_t len;
tree t = make_node (RECORD_TYPE);
+ tree *chain = NULL;
len = strlen (st_parameter[ptype].name);
gcc_assert (len <= sizeof (name) - sizeof ("__st_parameter_"));
@@ -177,12 +178,12 @@ gfc_build_st_parameter (enum ioparam_type ptype, tree *types)
case IOPARM_type_pad:
p->field = gfc_add_field_to_struct (&TYPE_FIELDS (t), t,
get_identifier (p->name),
- types[p->type]);
+ types[p->type], &chain);
break;
case IOPARM_type_char1:
p->field = gfc_add_field_to_struct (&TYPE_FIELDS (t), t,
get_identifier (p->name),
- pchar_type_node);
+ pchar_type_node, &chain);
/* FALLTHROUGH */
case IOPARM_type_char2:
len = strlen (p->name);
@@ -191,17 +192,19 @@ gfc_build_st_parameter (enum ioparam_type ptype, tree *types)
memcpy (name + len, "_len", sizeof ("_len"));
p->field_len = gfc_add_field_to_struct (&TYPE_FIELDS (t), t,
get_identifier (name),
- gfc_charlen_type_node);
+ gfc_charlen_type_node,
+ &chain);
if (p->type == IOPARM_type_char2)
p->field = gfc_add_field_to_struct (&TYPE_FIELDS (t), t,
get_identifier (p->name),
- pchar_type_node);
+ pchar_type_node, &chain);
break;
case IOPARM_type_common:
p->field
= gfc_add_field_to_struct (&TYPE_FIELDS (t), t,
get_identifier (p->name),
- st_parameter[IOPARM_ptype_common].type);
+ st_parameter[IOPARM_ptype_common].type,
+ &chain);
break;
case IOPARM_type_num:
gcc_unreachable ();
@@ -1633,6 +1633,7 @@ gfc_trans_character_select (gfc_code *code)
if (select_struct[k] == NULL)
{
+ tree *chain = NULL;
select_struct[k] = make_node (RECORD_TYPE);
if (code->expr1->ts.kind == 1)
@@ -1646,7 +1647,7 @@ gfc_trans_character_select (gfc_code *code)
#define ADD_FIELD(NAME, TYPE) \
ss_##NAME[k] = gfc_add_field_to_struct \
(&(TYPE_FIELDS (select_struct[k])), select_struct[k], \
- get_identifier (stringize(NAME)), TYPE)
+ get_identifier (stringize(NAME)), TYPE, &chain)
ADD_FIELD (string1, pchartype);
ADD_FIELD (string1_len, gfc_charlen_type_node);
@@ -86,6 +86,7 @@ gfc_character_info gfc_character_kinds[MAX_CHARACTER_KINDS + 1];
static GTY(()) tree gfc_character_types[MAX_CHARACTER_KINDS + 1];
static GTY(()) tree gfc_pcharacter_types[MAX_CHARACTER_KINDS + 1];
+static tree gfc_add_field_to_struct_1 (tree *, tree, tree, tree, tree **);
/* The integer kind to use for array indices. This will be set to the
proper value based on target information from the backend. */
@@ -1232,8 +1233,7 @@ static tree
gfc_get_desc_dim_type (void)
{
tree type;
- tree decl;
- tree fieldlist;
+ tree fieldlist = NULL_TREE, decl, *chain = NULL;
if (gfc_desc_dim_type)
return gfc_desc_dim_type;
@@ -1245,26 +1245,20 @@ gfc_get_desc_dim_type (void)
TYPE_PACKED (type) = 1;
/* Consists of the stride, lbound and ubound members. */
- decl = build_decl (input_location,
- FIELD_DECL,
- get_identifier ("stride"), gfc_array_index_type);
- DECL_CONTEXT (decl) = type;
+ decl = gfc_add_field_to_struct_1 (&fieldlist, type,
+ get_identifier ("stride"),
+ gfc_array_index_type, &chain);
TREE_NO_WARNING (decl) = 1;
- fieldlist = decl;
- decl = build_decl (input_location,
- FIELD_DECL,
- get_identifier ("lbound"), gfc_array_index_type);
- DECL_CONTEXT (decl) = type;
+ decl = gfc_add_field_to_struct_1 (&fieldlist, type,
+ get_identifier ("lbound"),
+ gfc_array_index_type, &chain);
TREE_NO_WARNING (decl) = 1;
- fieldlist = chainon (fieldlist, decl);
- decl = build_decl (input_location,
- FIELD_DECL,
- get_identifier ("ubound"), gfc_array_index_type);
- DECL_CONTEXT (decl) = type;
+ decl = gfc_add_field_to_struct_1 (&fieldlist, type,
+ get_identifier ("ubound"),
+ gfc_array_index_type, &chain);
TREE_NO_WARNING (decl) = 1;
- fieldlist = chainon (fieldlist, decl);
/* Finish off the type. */
TYPE_FIELDS (type) = fieldlist;
@@ -1540,7 +1534,7 @@ gfc_get_nodesc_array_type (tree etype, gfc_array_spec * as, gfc_packed packed,
static tree
gfc_get_array_descriptor_base (int dimen, int codimen, bool restricted)
{
- tree fat_type, fieldlist, decl, arraytype;
+ tree fat_type, fieldlist = NULL_TREE, decl, arraytype, *chain = NULL;
char name[16 + 2*GFC_RANK_DIGITS + 1 + 1];
int idx = 2 * (codimen + dimen - 1) + restricted;
@@ -1555,28 +1549,23 @@ gfc_get_array_descriptor_base (int dimen, int codimen, bool restricted)
TYPE_NAME (fat_type) = get_identifier (name);
/* Add the data member as the first element of the descriptor. */
- decl = build_decl (input_location,
- FIELD_DECL, get_identifier ("data"),
- restricted ? prvoid_type_node : ptr_type_node);
-
- DECL_CONTEXT (decl) = fat_type;
- fieldlist = decl;
+ decl = gfc_add_field_to_struct_1 (&fieldlist, fat_type,
+ get_identifier ("data"),
+ (restricted
+ ? prvoid_type_node
+ : ptr_type_node), &chain);
/* Add the base component. */
- decl = build_decl (input_location,
- FIELD_DECL, get_identifier ("offset"),
- gfc_array_index_type);
- DECL_CONTEXT (decl) = fat_type;
+ decl = gfc_add_field_to_struct_1 (&fieldlist, fat_type,
+ get_identifier ("offset"),
+ gfc_array_index_type, &chain);
TREE_NO_WARNING (decl) = 1;
- fieldlist = chainon (fieldlist, decl);
/* Add the dtype component. */
- decl = build_decl (input_location,
- FIELD_DECL, get_identifier ("dtype"),
- gfc_array_index_type);
- DECL_CONTEXT (decl) = fat_type;
+ decl = gfc_add_field_to_struct_1 (&fieldlist, fat_type,
+ get_identifier ("dtype"),
+ gfc_array_index_type, &chain);
TREE_NO_WARNING (decl) = 1;
- fieldlist = chainon (fieldlist, decl);
/* Build the array type for the stride and bound components. */
arraytype =
@@ -1585,11 +1574,10 @@ gfc_get_array_descriptor_base (int dimen, int codimen, bool restricted)
gfc_index_zero_node,
gfc_rank_cst[codimen + dimen - 1]));
- decl = build_decl (input_location,
- FIELD_DECL, get_identifier ("dim"), arraytype);
- DECL_CONTEXT (decl) = fat_type;
+ decl = gfc_add_field_to_struct_1 (&fieldlist, fat_type,
+ get_identifier ("dim"),
+ arraytype, &chain);
TREE_NO_WARNING (decl) = 1;
- fieldlist = chainon (fieldlist, decl);
/* Finish off the type. */
TYPE_FIELDS (fat_type) = fieldlist;
@@ -1853,26 +1841,44 @@ gfc_finish_type (tree type)
}
/* Add a field of given NAME and TYPE to the context of a UNION_TYPE
- or RECORD_TYPE pointed to by STYPE. The new field is chained
- to the fieldlist pointed to by FIELDLIST.
+ or RECORD_TYPE pointed to by CONTEXT. The new field is chained
+ to the fieldlist pointed to by FIELDLIST through *CHAIN.
Returns a pointer to the new field. */
+static tree
+gfc_add_field_to_struct_1 (tree *fieldlist, tree context,
+ tree name, tree type, tree **chain)
+{
+ tree decl = build_decl (input_location, FIELD_DECL, name, type);
+
+ DECL_CONTEXT (decl) = context;
+ TREE_CHAIN (decl) = NULL_TREE;
+ if (*fieldlist == NULL_TREE)
+ *fieldlist = decl;
+ if (chain != NULL)
+ {
+ if (*chain != NULL)
+ **chain = decl;
+ *chain = &TREE_CHAIN (decl);
+ }
+
+ return decl;
+}
+
+/* Like `gfc_add_field_to_struct_1', but adds alignment
+ information. */
+
tree
gfc_add_field_to_struct (tree *fieldlist, tree context,
- tree name, tree type)
+ tree name, tree type, tree **chain)
{
- tree decl;
+ tree decl = gfc_add_field_to_struct_1 (fieldlist, context,
+ name, type, chain);
- decl = build_decl (input_location,
- FIELD_DECL, name, type);
-
- DECL_CONTEXT (decl) = context;
DECL_INITIAL (decl) = 0;
DECL_ALIGN (decl) = 0;
DECL_USER_ALIGN (decl) = 0;
- TREE_CHAIN (decl) = NULL_TREE;
- *fieldlist = chainon (*fieldlist, decl);
return decl;
}
@@ -1950,6 +1956,7 @@ gfc_get_derived_type (gfc_symbol * derived)
{
tree typenode = NULL, field = NULL, field_type = NULL, fieldlist = NULL;
tree canonical = NULL_TREE;
+ tree *chain = NULL;
bool got_canonical = false;
gfc_component *c;
gfc_dt_list *dt;
@@ -1975,7 +1982,7 @@ gfc_get_derived_type (gfc_symbol * derived)
derived->backend_decl,
get_identifier (derived->components->name),
gfc_typenode_for_spec (
- &(derived->components->ts)));
+ &(derived->components->ts)), NULL);
derived->ts.kind = gfc_index_integer_kind;
derived->ts.type = BT_INTEGER;
@@ -2146,7 +2153,8 @@ gfc_get_derived_type (gfc_symbol * derived)
field_type = build_pointer_type (field_type);
field = gfc_add_field_to_struct (&fieldlist, typenode,
- get_identifier (c->name), field_type);
+ get_identifier (c->name),
+ field_type, &chain);
if (c->loc.lb)
gfc_set_decl_location (field, &c->loc);
else if (derived->declared_at.lb)
@@ -2224,8 +2232,8 @@ static tree
gfc_get_mixed_entry_union (gfc_namespace *ns)
{
tree type;
- tree decl;
tree fieldlist;
+ tree *chain = NULL;
char name[GFC_MAX_SYMBOL_LEN + 1];
gfc_entry_list *el, *el2;
@@ -2248,14 +2256,9 @@ gfc_get_mixed_entry_union (gfc_namespace *ns)
break;
if (el == el2)
- {
- decl = build_decl (input_location,
- FIELD_DECL,
- get_identifier (el->sym->result->name),
- gfc_sym_type (el->sym->result));
- DECL_CONTEXT (decl) = type;
- fieldlist = chainon (fieldlist, decl);
- }
+ gfc_add_field_to_struct_1 (&fieldlist, type,
+ get_identifier (el->sym->result->name),
+ gfc_sym_type (el->sym->result), &chain);
}
/* Finish off the type. */
@@ -77,7 +77,7 @@ tree gfc_get_array_type_bounds (tree, int, int, tree *, tree *, int,
tree gfc_get_nodesc_array_type (tree, gfc_array_spec *, gfc_packed, bool);
/* Add a field of given name and type to a UNION_TYPE or RECORD_TYPE. */
-tree gfc_add_field_to_struct (tree *, tree, tree, tree);
+tree gfc_add_field_to_struct (tree *, tree, tree, tree, tree **);
/* Layout and output debugging info for a type. */
void gfc_finish_type (tree);