clang/test/Preprocessor/_Pragma-location.c

   1 // RUN: %clang_cc1 %s -fms-extensions -E | FileCheck %s
   2 // We use -fms-extensions to test both _Pragma and __pragma.
   3
   4 // A long time ago the pragma lexer's buffer showed through in -E output.
   5 // CHECK-NOT: scratch space
   6
   7 #define push_p _Pragma ("pack(push)")
   8 push_p
   9 // CHECK: #pragma pack(push)
  10
  11 push_p _Pragma("pack(push)") __pragma(pack(push))
  12 // CHECK: #pragma pack(push)
  13 // CHECK-NEXT: # 11 "{{.*}}_Pragma-location.c"
  14 // CHECK-NEXT: #pragma pack(push)
  15 // CHECK-NEXT: # 11 "{{.*}}_Pragma-location.c"
  16 // CHECK-NEXT: #pragma pack(push)
  17
  18
  19 #define __PRAGMA_PUSH_NO_EXTRA_ARG_WARNINGS _Pragma("clang diagnostic push") \
  20 _Pragma("clang diagnostic ignored \"-Wformat-extra-args\"")
  21 #define __PRAGMA_POP_NO_EXTRA_ARG_WARNINGS _Pragma("clang diagnostic pop")
  22
  23 void test () {
  24   1;_Pragma("clang diagnostic push") \
  25   _Pragma("clang diagnostic ignored \"-Wformat-extra-args\"")
  26   _Pragma("clang diagnostic pop")
  27
  28   2;__PRAGMA_PUSH_NO_EXTRA_ARG_WARNINGS
  29   3;__PRAGMA_POP_NO_EXTRA_ARG_WARNINGS
  30 }
  31
  32 // CHECK: void test () {
  33 // CHECK-NEXT:   1;
  34 // CHECK-NEXT: # 24 "{{.*}}_Pragma-location.c"
  35 // CHECK-NEXT: #pragma clang diagnostic push
  36 // CHECK-NEXT: #pragma clang diagnostic ignored "-Wformat-extra-args"
  37 // CHECK-NEXT: #pragma clang diagnostic pop
  38
  39 // CHECK:   2;
  40 // CHECK-NEXT: # 28 "{{.*}}_Pragma-location.c"
  41 // CHECK-NEXT: #pragma clang diagnostic push
  42 // CHECK-NEXT: # 28 "{{.*}}_Pragma-location.c"
  43 // CHECK-NEXT: #pragma clang diagnostic ignored "-Wformat-extra-args"
  44 // CHECK-NEXT:   3;
  45 // CHECK-NEXT: # 29 "{{.*}}_Pragma-location.c"
  46 // CHECK-NEXT: #pragma clang diagnostic pop
  47 // CHECK-NEXT: }