1 /* Test that #pragma message "..." writes compiler messages. */ 2 3 #pragma message /* { dg-warning "expected a string" } */ 4 #pragma message 0 /* { dg-warning "expected a string" } */ 5 #pragma message id /* { dg-warning "expected a string" } */ 6 #pragma message ( /* { dg-warning "expected a string" } */ 7 #pragma message (0 /* { dg-warning "expected a string" } */ 8 #pragma message (id /* { dg-warning "expected a string" } */ 9 #pragma message () /* { dg-warning "expected a string" } */ 10 #pragma message (0) /* { dg-warning "expected a string" } */ 11 #pragma message (id) /* { dg-warning "expected a string" } */ 12 13 /* gcc prefixes '#pragma message ...' output with filename and line number, 14 then 'note: #pragma message: ', allowing dg-message to check output. 15 If unexpected pragma messages are printed (anything not caught by a 16 matching dg-message), dejagnu will report these as excess errors. */ 17 18 #pragma message " 19 /* { dg-error "missing terminating" "" { target *-*-* } 18 } */ 20 /* { dg-warning "expected a string" "" { target *-*-* } 18 } */ 21 #pragma message "Bad 1 22 /* { dg-error "missing terminating" "" { target *-*-* } 21 } */ 23 /* { dg-warning "expected a string" "" { target *-*-* } 21 } */ 24 #pragma message ("Bad 2 25 /* { dg-error "missing terminating" "" { target *-*-* } 24 } */ 26 /* { dg-warning "expected a string" "" { target *-*-* } 24 } */ 27 #pragma message ("Bad 3" 28 /* { dg-warning "malformed '#pragma message" "" { target *-*-* } 27 } */ 29 30 #pragma message "" junk 31 /* { dg-warning "junk at end of '#pragma message'" "" { target *-*-* } 30 } */ 32 33 #pragma message ("") junk 34 /* { dg-warning "junk at end of '#pragma message'" "" { target *-*-* } 33 } */ 35 36 #pragma message "" /* No output expected for empty messages. */ 37 #pragma message ("") 38 39 #pragma message "Okay 1" /* { dg-message "Okay 1" } */ 40 #pragma message ("Okay 2") /* { dg-message "Okay 2" } */ 41 #define THREE "3" 42 #pragma message ("Okay " THREE) /* { dg-message "Okay 3" } */ 43 44 /* Create a TODO() that prints a message on compilation. */ 45 #define DO_PRAGMA(x) _Pragma (#x) 46 #define TODO(x) DO_PRAGMA(message ("TODO - " #x)) 47 TODO(Okay 4) /* { dg-message "TODO - Okay 4" } */ 48 49 #if 0 50 #pragma message ("Not printed") 51 #endif 52 53 int unused; /* Silence `ISO C forbids an empty translation unit' warning. */ 54