src/compiler/glsl/glcpp/tests/125-es-short-circuit-undefined.c

   1 /* For GLSL in OpenGL ES, an undefined macro appearing in an #if or #elif
   2  * expression, (other than as an argument to defined) is an error.
   3  *
   4  * Except in the case of a short-circuiting && or || operator, where the
   5  * specification explicitly mandates that there be no error.
   6  */
   7 #version 300 es
   8
   9 /* These yield errors */
  10 #if NOT_DEFINED
  11 #endif
  12
  13 #if 0
  14 #elif ALSO_NOT_DEFINED
  15 #endif
  16
  17 /* But these yield no errors */
  18 #if 1 || STILL_NOT_DEFINED
  19 Success
  20 #endif
  21
  22 #if 0
  23 #elif 0 && WILL_ANYONE_DEFINE_ANYTHING
  24 #else
  25 More success
  26 #endif
  27