static tree build_vtbl_initializer (tree, tree, tree, tree, int *);
static int count_fields (tree);
static int add_fields_to_record_type (tree, struct sorted_fields_type*, int);
-static void check_bitfield_decl (tree);
+static bool check_bitfield_decl (tree);
static void check_field_decl (tree, tree, int *, int *, int *);
static void check_field_decls (tree, tree *, int *, int *);
static tree *build_base_field (record_layout_info, tree, splay_tree, tree *);
static void layout_nonempty_base_or_field (record_layout_info,
tree, tree, splay_tree);
static tree end_of_class (tree, int);
-static bool layout_empty_base (tree, tree, splay_tree);
+static bool layout_empty_base (record_layout_info, tree, tree, splay_tree);
static void accumulate_vtbl_inits (tree, tree, tree, tree, tree);
static tree dfs_accumulate_vtbl_inits (tree, tree, tree, tree,
tree);
TYPE_VFIELD (variants) = TYPE_VFIELD (t);
TYPE_METHODS (variants) = TYPE_METHODS (t);
TYPE_FIELDS (variants) = TYPE_FIELDS (t);
+
+ /* All variants of a class have the same attributes. */
+ TYPE_ATTRIBUTES (variants) = TYPE_ATTRIBUTES (t);
}
if (BINFO_N_BASE_BINFOS (TYPE_BINFO (t)) && TYPE_POLYMORPHIC_P (t))
/* FIELD is a bit-field. We are finishing the processing for its
enclosing type. Issue any appropriate messages and set appropriate
- flags. */
+ flags. Returns false if an error has been diagnosed. */
-static void
+static bool
check_bitfield_decl (tree field)
{
tree type = TREE_TYPE (field);
if (!INTEGRAL_TYPE_P (type))
{
error ("bit-field %q+#D with non-integral type", field);
- TREE_TYPE (field) = error_mark_node;
w = error_mark_node;
}
else
{
DECL_SIZE (field) = convert (bitsizetype, w);
DECL_BIT_FIELD (field) = 1;
+ return true;
}
else
{
/* Non-bit-fields are aligned for their type. */
DECL_BIT_FIELD (field) = 0;
CLEAR_DECL_C_BIT_FIELD (field);
+ return false;
}
}
/* We set DECL_C_BIT_FIELD in grokbitfield.
If the type and width are valid, we'll also set DECL_BIT_FIELD. */
- if (DECL_C_BIT_FIELD (x))
- check_bitfield_decl (x);
- else
+ if (! DECL_C_BIT_FIELD (x) || ! check_bitfield_decl (x))
check_field_decl (x, t,
cant_have_const_ctor_p,
no_const_asn_ref_p,
type. Return nonzero iff we added it at the end. */
static bool
-layout_empty_base (tree binfo, tree eoc, splay_tree offsets)
+layout_empty_base (record_layout_info rli, tree binfo,
+ tree eoc, splay_tree offsets)
{
tree alignment;
tree basetype = BINFO_TYPE (binfo);
propagate_binfo_offsets (binfo, alignment);
}
}
+
+ if (CLASSTYPE_USER_ALIGN (basetype))
+ {
+ rli->record_align = MAX (rli->record_align, CLASSTYPE_ALIGN (basetype));
+ if (warn_packed)
+ rli->unpacked_align = MAX (rli->unpacked_align, CLASSTYPE_ALIGN (basetype));
+ TYPE_USER_ALIGN (rli->t) = 1;
+ }
+
return atend;
}
DECL_ARTIFICIAL (decl) = 1;
DECL_IGNORED_P (decl) = 1;
DECL_FIELD_CONTEXT (decl) = t;
- DECL_SIZE (decl) = CLASSTYPE_SIZE (basetype);
- DECL_SIZE_UNIT (decl) = CLASSTYPE_SIZE_UNIT (basetype);
- DECL_ALIGN (decl) = CLASSTYPE_ALIGN (basetype);
- DECL_USER_ALIGN (decl) = CLASSTYPE_USER_ALIGN (basetype);
- DECL_MODE (decl) = TYPE_MODE (basetype);
- DECL_FIELD_IS_BASE (decl) = 1;
-
- /* Try to place the field. It may take more than one try if we
- have a hard time placing the field without putting two
- objects of the same type at the same address. */
- layout_nonempty_base_or_field (rli, decl, binfo, offsets);
- /* Add the new FIELD_DECL to the list of fields for T. */
- TREE_CHAIN (decl) = *next_field;
- *next_field = decl;
- next_field = &TREE_CHAIN (decl);
+ if (CLASSTYPE_AS_BASE (basetype))
+ {
+ DECL_SIZE (decl) = CLASSTYPE_SIZE (basetype);
+ DECL_SIZE_UNIT (decl) = CLASSTYPE_SIZE_UNIT (basetype);
+ DECL_ALIGN (decl) = CLASSTYPE_ALIGN (basetype);
+ DECL_USER_ALIGN (decl) = CLASSTYPE_USER_ALIGN (basetype);
+ DECL_MODE (decl) = TYPE_MODE (basetype);
+ DECL_FIELD_IS_BASE (decl) = 1;
+
+ /* Try to place the field. It may take more than one try if we
+ have a hard time placing the field without putting two
+ objects of the same type at the same address. */
+ layout_nonempty_base_or_field (rli, decl, binfo, offsets);
+ /* Add the new FIELD_DECL to the list of fields for T. */
+ TREE_CHAIN (decl) = *next_field;
+ *next_field = decl;
+ next_field = &TREE_CHAIN (decl);
+ }
}
else
{
byte-aligned. */
eoc = round_up (rli_size_unit_so_far (rli),
CLASSTYPE_ALIGN_UNIT (basetype));
- atend = layout_empty_base (binfo, eoc, offsets);
+ atend = layout_empty_base (rli, binfo, eoc, offsets);
/* A nearly-empty class "has no proper base class that is empty,
not morally virtual, and at an offset other than zero." */
if (!BINFO_VIRTUAL_P (binfo) && CLASSTYPE_NEARLY_EMPTY_P (t))
{
tree size;
- if (is_empty_class (BINFO_TYPE (binfo)))
+ if (!CLASSTYPE_AS_BASE (BINFO_TYPE (binfo)))
+ size = TYPE_SIZE_UNIT (char_type_node);
+ else if (is_empty_class (BINFO_TYPE (binfo)))
/* An empty class has zero CLASSTYPE_SIZE_UNIT, but we need to
allocate some space for it. It cannot have virtual bases, so
TYPE_SIZE_UNIT is fine. */
/* Figure out the type of the construction vtable. */
type = build_index_type (size_int (list_length (inits) - 1));
type = build_cplus_array_type (vtable_entry_type, type);
+ layout_type (type);
TREE_TYPE (vtbl) = type;
+ DECL_SIZE (vtbl) = DECL_SIZE_UNIT (vtbl) = NULL_TREE;
+ layout_decl (vtbl, 0);
/* Initialize the construction vtable. */
CLASSTYPE_VTABLES (t) = chainon (CLASSTYPE_VTABLES (t), vtbl);
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