clang/test/Parser/pragma-weak.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 // Note that this puts the expected lines before the directives to work around
   4 // limitations in the -verify mode.
   5
   6 int x;
   7 /* expected-warning {{expected identifier in '#pragma weak'}}*/ #pragma weak
   8 #pragma weak x
   9
  10 extern int z;
  11 /* expected-warning {{expected identifier in '#pragma weak'}}*/ #pragma weak z = =
  12 /* expected-warning {{expected identifier in '#pragma weak'}}*/ #pragma weak z =
  13 /* expected-warning {{weak identifier 'y' never declared}} */ #pragma weak z = y
  14
  15 extern int a;
  16 /* expected-warning {{extra tokens at end of '#pragma weak'}}*/ #pragma weak a b
  17 /* expected-warning {{extra tokens at end of '#pragma weak'}}*/ #pragma weak a = x c
  18
  19
  20 void pragma_is_not_a_statement(int x)
  21 {
  22   int t;
  23
  24   {
  25     if (x)
  26 #pragma weak t
  27     else // expected-error {{expected expression}}
  28 #pragma weak t
  29   }
  30
  31   switch (x) {
  32     case 1:
  33 #pragma weak t
  34   } // expected-error {{expected statement}}
  35   switch(x) {
  36     default:
  37 #pragma weak t
  38   } // expected-error {{expected statement}}
  39
  40 label:
  41 #pragma weak t
  42 } // expected-error {{expected statement}}
  43
  44