49 static scope_stack_t *stack_top = NULL;  variable
93 	while (stack_top != NULL) {  in define_policy()
111 	if (stack_top->type != 1 || stack_top->in_else) {  in is_declaration_allowed()
130 	avrule_decl_t *decl = stack_top->decl;  in declare_symbol()
239 		assert(stack_top->type == 1);  in declare_role()
240 		if (stack_top->parent == NULL) {  in declare_role()
244 			roles_tab = stack_top->decl->p_roles.table;  in declare_role()
444 		assert(stack_top->type == 1);  in declare_user()
445 		if (stack_top->parent == NULL) {  in declare_user()
449 			users_tab = stack_top->decl->p_users.table;  in declare_user()
518 	assert(stack_top->type == 1);  in get_local_type()
519 	if (stack_top->parent == NULL) {  in get_local_type()
523 		types_tab = stack_top->decl->p_types.table;  in get_local_type()
565 	assert(stack_top->type == 1);  in get_local_role()
567 	if (stack_top->parent == NULL) {  in get_local_role()
571 		roles_tab = stack_top->decl->p_roles.table;  in get_local_role()
607 	if (stack_top->type == 1 && !stack_top->in_else) {  in is_require_allowed()
625 	avrule_decl_t *decl = stack_top->decl;  in require_symbol()
672 			stack_top->require_given = 1;  in require_symbol()
690 	stack_top->require_given = 1;  in require_symbol()
696 	avrule_decl_t *decl = stack_top->decl;  in add_perm_to_class()
1255 	return is_scope_in_stack(scope, stack_top);  in is_id_in_scope()
1309 				stack_top);  in is_perm_in_scope()
1316 	avrule_decl_t *decl = stack_top->decl;  in get_current_cond_list()
1349 	avrule_decl_t *decl = stack_top->decl;  in append_avrule()
1356 	assert(stack_top->type == 1);  in append_avrule()
1358 	if (stack_top->last_avrule == NULL) {  in append_avrule()
1361 		stack_top->last_avrule->next = avrule;  in append_avrule()
1363 	stack_top->last_avrule = avrule;  in append_avrule()
1369 	avrule_decl_t *decl = stack_top->decl;  in append_role_trans()
1372 	assert(stack_top->type == 1);  in append_role_trans()
1381 	avrule_decl_t *decl = stack_top->decl;  in append_role_allow()
1384 	assert(stack_top->type == 1);  in append_role_allow()
1393 	avrule_decl_t *decl = stack_top->decl;  in append_filename_trans()
1396 	assert(stack_top->type == 1);  in append_filename_trans()
1405 	avrule_decl_t *decl = stack_top->decl;  in append_range_trans()
1408 	assert(stack_top->type == 1);  in append_range_trans()
1438 	stack_top->last_avrule = NULL;  in begin_optional()
1458 	assert(stack_top->type == 1 && stack_top->in_else == 0);  in begin_optional_else()
1466 		stack_top->decl->next = decl;  in begin_optional_else()
1470 		decl = stack_top->decl->next;  in begin_optional_else()
1474 	stack_top->in_else = 1;  in begin_optional_else()
1475 	stack_top->decl = decl;  in begin_optional_else()
1476 	stack_top->last_avrule = NULL;  in begin_optional_else()
1477 	stack_top->require_given = 0;  in begin_optional_else()
1536 	avrule_decl_t *decl = stack_top->decl;  in end_avrule_block()
1537 	assert(stack_top->type == 1);  in end_avrule_block()
1541 		if (copy_requirements(decl, stack_top->parent) == -1) {  in end_avrule_block()
1546 	if (!stack_top->in_else && !stack_top->require_given) {  in end_avrule_block()
1548 		    && stack_top->parent != NULL) {  in end_avrule_block()
1585 	s->parent = stack_top;  in push_stack()
1587 	stack_top = s;  in push_stack()
1596 	assert(stack_top != NULL);  in pop_stack()
1597 	parent = stack_top->parent;  in pop_stack()
1601 	free(stack_top);  in pop_stack()
1602 	stack_top = parent;  in pop_stack()