973 static void dep_stack_insert(struct dep_stack *stack, struct symbol *sym)  in dep_stack_insert()  argument
975 	memset(stack, 0, sizeof(*stack));  in dep_stack_insert()
977 		check_top->next = stack;  in dep_stack_insert()
978 	stack->prev = check_top;  in dep_stack_insert()
979 	stack->sym = sym;  in dep_stack_insert()
980 	check_top = stack;  in dep_stack_insert()
997 	struct dep_stack *stack;  in sym_check_print_recursive()  local
1008 	for (stack = check_top; stack != NULL; stack = stack->prev)  in sym_check_print_recursive()
1009 		if (stack->sym == last_sym)  in sym_check_print_recursive()
1011 	if (!stack) {  in sym_check_print_recursive()
1016 	for (; stack; stack = stack->next) {  in sym_check_print_recursive()
1017 		sym = stack->sym;  in sym_check_print_recursive()
1018 		next_sym = stack->next ? stack->next->sym : last_sym;  in sym_check_print_recursive()
1019 		prop = stack->prop;  in sym_check_print_recursive()
1021 			prop = stack->sym->prop;  in sym_check_print_recursive()
1031 		if (stack->sym == last_sym)  in sym_check_print_recursive()
1045 		} else if (stack->expr == &sym->dir_dep.expr) {  in sym_check_print_recursive()
1050 		} else if (stack->expr == &sym->rev_dep.expr) {  in sym_check_print_recursive()
1055 		} else if (stack->expr == &sym->implied.expr) {  in sym_check_print_recursive()
1060 		} else if (stack->expr) {  in sym_check_print_recursive()
1123 	struct dep_stack stack;  in sym_check_sym_deps()  local
1125 	dep_stack_insert(&stack, sym);  in sym_check_sym_deps()
1127 	stack.expr = &sym->dir_dep.expr;  in sym_check_sym_deps()
1132 	stack.expr = &sym->rev_dep.expr;  in sym_check_sym_deps()
1137 	stack.expr = &sym->implied.expr;  in sym_check_sym_deps()
1142 	stack.expr = NULL;  in sym_check_sym_deps()
1148 		stack.prop = prop;  in sym_check_sym_deps()
1154 		stack.expr = &prop->expr;  in sym_check_sym_deps()
1158 		stack.expr = NULL;  in sym_check_sym_deps()
1172 	struct dep_stack stack;  in sym_check_choice_deps()  local
1174 	dep_stack_insert(&stack, choice);  in sym_check_choice_deps()
1217 		struct dep_stack stack;  in sym_check_deps()  local
1220 		dep_stack_insert(&stack, sym);  in sym_check_deps()