| /* Copyright (C) 2000 Free Software Foundation, Inc. */ |
| |
| /* { dg-do preprocess } */ |
| /* { dg-options -pedantic } */ |
| |
| /* Tests general directive syntax, and directive error recovery. */ |
| |
| |
| /* Test directive name is not expanded. */ |
| #define foo define |
| #foo EMPTY /* { dg-error "invalid" } */ |
| |
| /* Test # must be first on line. */ |
| EMPTY #define bar |
| #ifdef bar |
| #error bar is defined |
| #endif |
| |
| /* Test form feed and vertical tab warn pedantically, see 6.10 |
| paragraph 5. Tab is OK. */ |
| # define something /* { dg-warning "form feed" } */ |
| #define something_else /* { dg-warning "vertical tab" } */ |
| #define some thing /* Tab OK, as is form feed before #. */ |
| |
| /* Our friend the null directive OK? */ |
| # |
| |
| /* Check that directives always start a line, even if in middle of |
| macro expansion. */ |
| #define func(x) x |
| func (2 /* { dg-error "unterminated" "" { target *-*-* } 32 } */ |
| #define foobar /* { dg-error "directives may not" } */ |
| |
| /* For tidiness, I think the directive should still be processed |
| above. Certainly, continuing to try to find the closing ')' can |
| lead to some really confusing error messages. Hence this test. */ |
| #ifndef foobar |
| #error It is nice if the directive is processed! |
| #endif |
| |
| /* Check newlines end directives, even in function-like macro |
| invocations. 6.10 paragraph 1. |
| |
| Note that the #if is still treated as a conditional, so there |
| should be no errors about #endif without #if. */ |
| #if func ( /* { dg-error "unterminated argument" } */ |
| #endif |
