OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

tree.c (no_linkage_helper): Remove. 

* tree.c (no_linkage_helper): Remove.
	(no_linkage_check): Don't use walk_tree_without_duplicates.

From-SVN: r84909
This commit is contained in:
Mark Mitchell 2004-07-19 04:02:45 +00:00 committed by Mark Mitchell
parent 3a7e11a39d
commit caf43ca4ae
2 changed files with 55 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
gcc/cp/ChangeLog
View File

@ -10,6 +10,9 @@
2004-07-18 Mark Mitchell <mark@codesourcery.com>
* tree.c (no_linkage_helper): Remove.
(no_linkage_check): Don't use walk_tree_without_duplicates.
* mangle.c (write_expression): Issue a sorry for zero-operand
functional casts.

74
gcc/cp/tree.c
View File

@ -42,7 +42,6 @@ static int list_hash_eq (const void *, const void *);
static hashval_t list_hash_pieces (tree, tree, tree);
static hashval_t list_hash (const void *);
static cp_lvalue_kind lvalue_p_1 (tree, int);
static tree no_linkage_helper (tree *, int *, void *);
static tree mark_local_for_remap_r (tree *, int *, void *);
static tree cp_unsave_r (tree *, int *, void *);
static tree build_target_expr (tree, tree);
@ -1068,38 +1067,69 @@ find_tree (tree t, tree x)
return walk_tree_without_duplicates (&t, find_tree_r, x);
}
/* Passed to walk_tree. Checks for the use of types with no linkage. */
static tree
no_linkage_helper (tree *tp, int *walk_subtrees ATTRIBUTE_UNUSED,
void *data ATTRIBUTE_UNUSED)
{
tree t = *tp;
if (TYPE_P (t)
&& (CLASS_TYPE_P (t) || TREE_CODE (t) == ENUMERAL_TYPE)
&& (decl_function_context (TYPE_MAIN_DECL (t))
|| TYPE_ANONYMOUS_P (t)))
return t;
return NULL_TREE;
}
/* Check if the type T depends on a type with no linkage and if so, return
it. */
tree
no_linkage_check (tree t)
{
tree r;
/* There's no point in checking linkage on template functions; we
can't know their complete types. */
if (processing_template_decl)
return NULL_TREE;
t = walk_tree_without_duplicates (&t, no_linkage_helper, NULL);
if (t != error_mark_node)
return t;
return NULL_TREE;
switch (TREE_CODE (t))
{
case RECORD_TYPE:
if (TYPE_PTRMEMFUNC_P (t))
goto ptrmem;
/* Fall through. */
case UNION_TYPE:
if (!CLASS_TYPE_P (t))
return NULL_TREE;
/* Fall through. */
case ENUMERAL_TYPE:
if (decl_function_context (TYPE_MAIN_DECL (t))
|| TYPE_ANONYMOUS_P (t))
return t;
return NULL_TREE;
case ARRAY_TYPE:
case POINTER_TYPE:
case REFERENCE_TYPE:
return no_linkage_check (TREE_TYPE (t));
case OFFSET_TYPE:
ptrmem:
r = no_linkage_check (TYPE_PTRMEM_POINTED_TO_TYPE (t));
if (r)
return r;
return no_linkage_check (TYPE_PTRMEM_CLASS_TYPE (t));
case METHOD_TYPE:
r = no_linkage_check (TYPE_METHOD_BASETYPE (t));
if (r)
return r;
/* Fall through. */
case FUNCTION_TYPE:
{
tree parm;
for (parm = TYPE_ARG_TYPES (t);
parm && parm != void_list_node;
parm = TREE_CHAIN (parm))
{
r = no_linkage_check (TREE_VALUE (parm));
if (r)
return r;
}
return no_linkage_check (TREE_TYPE (t));
}
default:
return NULL_TREE;
}
}
#ifdef GATHER_STATISTICS