clang/test/Parser/pragma-pack.c

   1 // RUN: %clang_cc1 -fsyntax-only -Wno-pragma-pack -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 /* expected-warning {{missing '(' after '#pragma pack'}}*/ #pragma pack 10
   7 #pragma pack()
   8 #pragma pack(8)
   9
  10 /*expected-warning {{unknown action for '#pragma pack'}}*/ #pragma pack(hello)
  11 #pragma pack(push)
  12 #pragma pack(pop)
  13
  14 /* expected-warning {{expected integer or identifier in '#pragma pack'}}*/ #pragma pack(push,)
  15 /* expected-warning {{expected integer or identifier in '#pragma pack'}}*/ #pragma pack(push,)
  16 /* expected-warning {{expected integer or identifier in '#pragma pack'}}*/  #pragma pack(pop,)
  17
  18 #pragma pack(push,i)
  19 /* expected-warning {{expected integer or identifier in '#pragma pack'}}*/ #pragma pack(push,i,
  20 /* expected-warning {{expected integer or identifier in '#pragma pack'}}*/ #pragma pack(push,i,)
  21 /* expected-warning {{expected integer or identifier in '#pragma pack'}}*/ #pragma pack(push,i,help)
  22
  23 #pragma pack(push,8)
  24 /* expected-warning {{missing ')' after '#pragma pack'}}*/ #pragma pack(push,8,
  25 /* expected-warning {{missing ')' after '#pragma pack'}}*/ #pragma pack(push,8,)
  26 /* expected-warning {{missing ')' after '#pragma pack'}}*/ #pragma pack(push,i,8
  27 #pragma pack(push,i,8)
  28
  29 /* expected-warning {{missing ')' after '#pragma pack'}}*/ #pragma pack(push
  30
  31 _Pragma("pack(push)")
  32 /* expected-warning {{expected integer or identifier in '#pragma pack'}}*/ _Pragma("pack(push,)")
  33
  34 // PR13580
  35 struct S
  36 {
  37   char a[3];
  38 #pragma pack(1)
  39   struct T
  40   {
  41     char b;
  42     int c;
  43   } d;
  44 #pragma pack()
  45   int e;
  46 };
  47
  48 _Pragma("pack(push, 1)") struct PR28094 {
  49   int a;
  50 } _Pragma("pack(pop)");