| /* Test __attribute__((unused)) for an Objective-C method parameter. */ |
| /* { dg-do compile } */ |
| /* { dg-options "-Wunused-parameter" } */ |
| /* { dg-additional-options "-Wno-objc-root-class" } */ |
| |
| #include <objc/objc.h> |
| |
| @interface MyRootClass |
| { |
| Class isa; |
| } |
| - (id) method1: (id) argument1; |
| - (id) method2: (id) __attribute__((unused)) argument1; |
| - (id) method3: (id) __attribute__((unused)) argument1 |
| andArgument: (id) argument2; |
| - (id) method4: (id) __attribute__((unused)) argument1 |
| andArgument: (id) __attribute__((unused)) argument2; |
| - (id) method5: (id) argument1 |
| andArgument: (id) __attribute__ ((unused)) argument2; |
| @end |
| |
| @implementation MyRootClass |
| - (id) method1: (id) argument1 |
| { /* { dg-warning "unused parameter .argument1." } */ |
| return nil; |
| } |
| - (id) method2: (id) __attribute__((unused)) argument1 |
| { |
| return nil; |
| } |
| - (id) method3: (id) __attribute__((unused)) argument1 |
| andArgument: (id) argument2 |
| { /* { dg-warning "unused parameter .argument2." } */ |
| return nil; |
| } |
| - (id) method4: (id) __attribute__((unused)) argument1 |
| andArgument: (id) __attribute__((unused)) argument2 |
| { |
| return nil; |
| } |
| - (id) method5: (id) argument1 |
| andArgument: (id) __attribute__ ((unused)) argument2 |
| { /* { dg-warning "unused parameter .argument1." } */ |
| return nil; |
| } |
| @end |
