clang/test/Preprocessor/stringize_misc.c

   1 #ifdef TEST1
   2 // RUN: %clang_cc1 -E %s -DTEST1 | FileCheck -strict-whitespace %s
   3
   4 #define M(x, y) #x #y
   5
   6 M( f(1, 2), g((x=y++, y)))
   7 // CHECK: "f(1, 2)" "g((x=y++, y))"
   8
   9 M( {a=1 , b=2;} ) /* A semicolon is not a comma */
  10 // CHECK: "{a=1" "b=2;}"
  11
  12 M( <, [ ) /* Passes the arguments < and [ */
  13 // CHECK: "<" "["
  14
  15 M( (,), (...) ) /* Passes the arguments (,) and (...) */
  16 // CHECK: "(,)" "(...)"
  17
  18 #define START_END(start, end) start c=3; end
  19
  20 START_END( {a=1 , b=2;} ) /* braces are not parentheses */
  21 // CHECK: {a=1 c=3; b=2;}
  22
  23 /*
  24  * To pass a comma token as an argument it is
  25  * necessary to write:
  26  */
  27 #define COMMA ,
  28
  29 M(a COMMA b, (a, b))
  30 // CHECK: "a COMMA b" "(a, b)"
  31
  32 #endif
  33
  34 #ifdef TEST2
  35 // RUN: %clang_cc1 -fsyntax-only -verify %s -DTEST2
  36
  37 #define HASH #
  38 #define INVALID() #
  39 // expected-error@-1{{'#' is not followed by a macro parameter}}
  40
  41 #endif