clang/test/PCH/builtin-macro.c

   1 // Test this without pch.
   2 // RUN: %clang_cc1 -D__DATE__= -D__TIMESTAMP__= -include %s -Wno-builtin-macro-redefined -fsyntax-only -verify %s
   3
   4 // Test with pch.
   5 // RUN: %clang_cc1 -D__DATE__= -D__TIMESTAMP__= -Wno-builtin-macro-redefined -emit-pch -o %t %s
   6 // RUN: %clang_cc1 -D__DATE__= -D__TIMESTAMP__= -Wno-builtin-macro-redefined -include-pch %t -fsyntax-only -verify %s
   7
   8 #if !defined(HEADER)
   9 #define HEADER
  10
  11 #define __TIME__
  12
  13 #undef __TIMESTAMP__
  14 #define __TIMESTAMP__
  15
  16 // FIXME: undefs don't work well with pchs yet, see PR31311
  17 // Once that's fixed, add -U__COUNTER__ to all command lines and check that
  18 // an attempt to use __COUNTER__ at the bottom produces an error in both non-pch
  19 // and pch case (works fine in the former case already).
  20 // Same for #undef __FILE__ right here and a use of that at the bottom.
  21 //#undef __FILE__
  22
  23 // Also spot-check a predefine
  24 #undef __STDC_HOSTED__
  25
  26 #else
  27
  28 const char s[] = __DATE__ " " __TIME__ " " __TIMESTAMP__;
  29
  30 // Check that we pick up __DATE__ from the -D flag:
  31 int i = __DATE__ 4;
  32
  33 const int d = __STDC_HOSTED__; // expected-error{{use of undeclared identifier '__STDC_HOSTED__'}}
  34
  35 #endif