| %module xxx | |
| /* Note: needs -Wextra to see these warnings */ | |
| /* Divide by zero */ | |
| #define ZERO 0 | |
| #if 1%ZERO | |
| #endif | |
| #if 2/ZERO | |
| #endif | |
| #if 1%(5-5) | |
| #endif | |
| #if 2/(55-55) | |
| #endif | |
| /* Floating point */ | |
| #if 1.2 | |
| #endif | |
| #if 2e3 | |
| #endif | |
| #if 0 | |
| #elif 8.8 | |
| #endif | |
| /* Missing whitespace after preproc directive */ | |
| #if123 | |
| #endif | |
| #if456e | |
| #endif | |
| #if 0 | |
| #warning This should not warn | |
| #elif1 | |
| #warning This should also not warn | |
| #endif | |
| #if(1) | |
| #warning Warning okay: #if(1) | |
| #endif |