clang/test/Sema/pragma-ms_struct.c

   1 // RUN: %clang_cc1 -fsyntax-only -fms-extensions -verify -triple x86_64-apple-darwin9 %s
   2
   3 #pragma ms_struct on
   4
   5 #pragma ms_struct off
   6
   7 #pragma ms_struct reset
   8
   9 #pragma ms_struct // expected-warning {{incorrect use of '#pragma ms_struct on|off' - ignored}}
  10
  11 #pragma ms_struct on top of spaghetti  // expected-warning {{extra tokens at end of '#pragma ms_struct' - ignored}}
  12
  13 struct foo
  14 {
  15   int a;
  16   int b;
  17   char c;
  18 };
  19
  20
  21 struct {
  22                    unsigned long bf_1 : 12;
  23                    unsigned long : 0;
  24                    unsigned long bf_2 : 12;
  25 } __attribute__((__ms_struct__)) t1;
  26
  27 struct S {
  28                    double __attribute__((ms_struct)) d; // expected-warning {{'ms_struct' attribute only applies to structs, unions, and classes}}
  29                    unsigned long bf_1 : 12;
  30                    unsigned long : 0;
  31                    unsigned long bf_2 : 12;
  32 } __attribute__((ms_struct)) t2;
  33
  34 enum
  35 {
  36   A = 0,
  37   B,
  38   C
  39 } __attribute__((ms_struct)) e1; // expected-warning {{'ms_struct' attribute only applies to}}
  40
  41 #pragma ms_struct on
  42
  43 typedef struct
  44 {
  45 void *pv;
  46 int l;
  47 } Foo;
  48
  49 typedef struct
  50 {
  51 void *pv1;
  52 Foo foo;
  53 unsigned short fInited : 1;
  54 void *pv2;
  55 } PackOddity;
  56
  57 #pragma ms_struct off
  58
  59 static int arr[sizeof(PackOddity) == 40 ? 1 : -1];
  60
  61 struct __declspec(ms_struct) bad { // expected-warning {{__declspec attribute 'ms_struct' is not supported}}
  62 };