clang/test/Preprocessor/pragma_unknown.c

   1 // RUN: %clang_cc1 -fsyntax-only -Wunknown-pragmas -verify %s
   2 // RUN: %clang_cc1 -E %s 2>&1 | FileCheck --strict-whitespace %s
   3
   4 // GCC doesn't expand macro args for unrecognized pragmas.
   5 #define bar xX
   6 #pragma foo bar   // expected-warning {{unknown pragma ignored}}
   7 // CHECK-NOT: unknown pragma in STDC namespace
   8 // CHECK: {{^}}#pragma foo bar{{$}}
   9
  10 #pragma STDC FP_CONTRACT ON
  11 #pragma STDC FP_CONTRACT OFF
  12 #pragma STDC FP_CONTRACT DEFAULT
  13 #pragma STDC FP_CONTRACT IN_BETWEEN  // expected-warning {{expected 'ON' or 'OFF' or 'DEFAULT' in pragma}}
  14 // CHECK: {{^}}#pragma STDC FP_CONTRACT ON{{$}}
  15 // CHECK: {{^}}#pragma STDC FP_CONTRACT OFF{{$}}
  16 // CHECK: {{^}}#pragma STDC FP_CONTRACT DEFAULT{{$}}
  17 // CHECK: {{^}}#pragma STDC FP_CONTRACT IN_BETWEEN{{$}}
  18
  19 #pragma STDC CX_LIMITED_RANGE ON
  20 #pragma STDC CX_LIMITED_RANGE OFF
  21 #pragma STDC CX_LIMITED_RANGE DEFAULT
  22 #pragma STDC CX_LIMITED_RANGE IN_BETWEEN   // expected-warning {{expected 'ON' or 'OFF' or 'DEFAULT' in pragma}}
  23 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE ON{{$}}
  24 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE OFF{{$}}
  25 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE DEFAULT{{$}}
  26 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE IN_BETWEEN{{$}}
  27
  28 #pragma STDC CX_LIMITED_RANGE    // expected-warning {{expected 'ON' or 'OFF' or 'DEFAULT' in pragma}}
  29 #pragma STDC CX_LIMITED_RANGE ON FULL POWER  // expected-warning {{expected end of directive in pragma}}
  30 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE{{$}}
  31 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE ON FULL POWER{{$}}
  32
  33 #pragma STDC SO_GREAT  // expected-warning {{unknown pragma in STDC namespace}}
  34 #pragma STDC   // expected-warning {{unknown pragma in STDC namespace}}
  35 // CHECK: {{^}}#pragma STDC SO_GREAT{{$}}
  36 // CHECK: {{^}}#pragma STDC{{$}}