clang/test/Frontend/plugin-attribute-pp.cpp

   1 // RUN: %clang -fplugin=%llvmshlibdir/Attribute%pluginext -E %s | FileCheck %s
   2 // RUN: %clang -fplugin=%llvmshlibdir/Attribute%pluginext -E %s -x c | FileCheck %s
   3 // REQUIRES: plugins, examples
   4
   5 #ifdef __cplusplus
   6 # define HAS_ATTR(a) __has_cpp_attribute (a)
   7 #else
   8 # define HAS_ATTR(a) __has_c_attribute (a)
   9 #endif
  10
  11 #if __has_attribute(example)
  12 // CHECK: has_attribute(example) was true
  13 has_attribute(example) was true
  14 #endif
  15 #if HAS_ATTR(example)
  16 // CHECK: has_$LANG_attribute(example) was true
  17 has_$LANG_attribute(example) was true
  18 #endif
  19
  20 #if __has_attribute(doesnt_exist)
  21 // CHECK-NOT: has_attribute(doesnt_exist) unexpectedly was true
  22 has_attribute(doesnt_exist) unexpectedly was true
  23 #endif
  24
  25 #if HAS_ATTR(doesnt_exist)
  26 // CHECK-NOT: has_$LANG_attribute(doesnt_exist) unexpectedly was true
  27 has_$LANG_attribute(doesnt_exist) unexpectedly was true
  28 #endif