don't use TYPE_ARG_TYPES in the Ada frontend

don't use TYPE_ARG_TYPES in the Ada frontend
	* gcc-interface/decl.c (intrin_arglists_compatible_p): Use iterators
	instead of accessing TYPE_ARG_TYPES directly.
	* gcc-interface/utils.c (handle_nonnull_attribute): Likewise.

From-SVN: r173466
This commit is contained in:
Nathan Froyd 2011-05-06 01:39:32 +00:00 committed by Nathan Froyd
parent 6174da1b28
commit d7d058c58a
3 changed files with 30 additions and 17 deletions

View File

@ -1,3 +1,9 @@
2011-05-05 Nathan Froyd <froydnj@codesourcery.com>
* gcc-interface/decl.c (intrin_arglists_compatible_p): Use iterators
instead of accessing TYPE_ARG_TYPES directly.
* gcc-interface/utils.c (handle_nonnull_attribute): Likewise.
2011-05-05 Eric Botcazou <ebotcazou@adacore.com> 2011-05-05 Eric Botcazou <ebotcazou@adacore.com>
PR ada/48844 PR ada/48844

View File

@ -8330,23 +8330,27 @@ intrin_types_incompatible_p (tree t1, tree t2)
static bool static bool
intrin_arglists_compatible_p (intrin_binding_t * inb) intrin_arglists_compatible_p (intrin_binding_t * inb)
{ {
tree ada_args = TYPE_ARG_TYPES (inb->ada_fntype); function_args_iterator ada_iter, btin_iter;
tree btin_args = TYPE_ARG_TYPES (inb->btin_fntype);
function_args_iter_init (&ada_iter, inb->ada_fntype);
function_args_iter_init (&btin_iter, inb->btin_fntype);
/* Sequence position of the last argument we checked. */ /* Sequence position of the last argument we checked. */
int argpos = 0; int argpos = 0;
while (ada_args != 0 || btin_args != 0) while (1)
{ {
tree ada_type, btin_type; tree ada_type = function_args_iter_cond (&ada_iter);
tree btin_type = function_args_iter_cond (&btin_iter);
/* If we've exhausted both lists simultaneously, we're done. */
if (ada_type == NULL_TREE && btin_type == NULL_TREE)
break;
/* If one list is shorter than the other, they fail to match. */ /* If one list is shorter than the other, they fail to match. */
if (ada_args == 0 || btin_args == 0) if (ada_type == NULL_TREE || btin_type == NULL_TREE)
return false; return false;
ada_type = TREE_VALUE (ada_args);
btin_type = TREE_VALUE (btin_args);
/* If we're done with the Ada args and not with the internal builtin /* If we're done with the Ada args and not with the internal builtin
args, or the other way around, complain. */ args, or the other way around, complain. */
if (ada_type == void_type_node if (ada_type == void_type_node
@ -8373,8 +8377,9 @@ intrin_arglists_compatible_p (intrin_binding_t * inb)
return false; return false;
} }
ada_args = TREE_CHAIN (ada_args);
btin_args = TREE_CHAIN (btin_args); function_args_iter_next (&ada_iter);
function_args_iter_next (&btin_iter);
} }
return true; return true;

View File

@ -5210,7 +5210,6 @@ handle_nonnull_attribute (tree *node, tree ARG_UNUSED (name),
a pointer argument. */ a pointer argument. */
for (attr_arg_num = 1; args; args = TREE_CHAIN (args)) for (attr_arg_num = 1; args; args = TREE_CHAIN (args))
{ {
tree argument;
unsigned HOST_WIDE_INT arg_num = 0, ck_num; unsigned HOST_WIDE_INT arg_num = 0, ck_num;
if (!get_nonnull_operand (TREE_VALUE (args), &arg_num)) if (!get_nonnull_operand (TREE_VALUE (args), &arg_num))
@ -5221,18 +5220,21 @@ handle_nonnull_attribute (tree *node, tree ARG_UNUSED (name),
return NULL_TREE; return NULL_TREE;
} }
argument = TYPE_ARG_TYPES (type); if (prototype_p (type))
if (argument)
{ {
for (ck_num = 1; ; ck_num++) function_args_iterator iter;
tree argument;
function_args_iter_init (&iter, type);
for (ck_num = 1; ; ck_num++, function_args_iter_next (&iter))
{ {
argument = function_args_iter_cond (&iter);
if (!argument || ck_num == arg_num) if (!argument || ck_num == arg_num)
break; break;
argument = TREE_CHAIN (argument);
} }
if (!argument if (!argument
|| TREE_CODE (TREE_VALUE (argument)) == VOID_TYPE) || TREE_CODE (argument) == VOID_TYPE)
{ {
error ("nonnull argument with out-of-range operand number " error ("nonnull argument with out-of-range operand number "
"(argument %lu, operand %lu)", "(argument %lu, operand %lu)",
@ -5241,7 +5243,7 @@ handle_nonnull_attribute (tree *node, tree ARG_UNUSED (name),
return NULL_TREE; return NULL_TREE;
} }
if (TREE_CODE (TREE_VALUE (argument)) != POINTER_TYPE) if (TREE_CODE (argument) != POINTER_TYPE)
{ {
error ("nonnull argument references non-pointer operand " error ("nonnull argument references non-pointer operand "
"(argument %lu, operand %lu)", "(argument %lu, operand %lu)",