gdb/testsuite/gdb.base/macscp1.c

   1 #include <stdio.h>
   2
   3 #define SPLICE(a, b) INNER_SPLICE(a, b)
   4 #define INNER_SPLICE(a, b) a ## b
   5 #define STRINGIFY(a) INNER_STRINGIFY(a)
   6 #define INNER_STRINGIFY(a) #a
   7
   8 #define FIFTY_SEVEN 57
   9
  10 #define FORTY_EIGHT 48
  11 #undef  FORTY_EIGHT
  12
  13 /* A macro named UNTIL_<func> is #defined until just before the
  14    definition of the function <func>.
  15
  16    A macro named BEFORE_<func> is not #defined until just before the
  17    definition of <func>.
  18
  19    The macro WHERE is redefined before each function <func> to the
  20    token list ``before <func>''.
  21
  22    The macscp IN_MACSCP2_H and IN_MACSCP3_H are defined while
  23    processing those header files; macscp4.h uses them to choose
  24    appropriate function names, output strings, and macro definitions.  */
  25
  26 #define UNTIL_MACSCP1_1
  27 #define UNTIL_MACSCP2_1
  28 #define UNTIL_MACSCP4_1_FROM_MACSCP2
  29 #define UNTIL_MACSCP4_2_FROM_MACSCP2
  30 #define UNTIL_MACSCP2_2
  31 #define UNTIL_MACSCP1_2
  32 #define UNTIL_MACSCP3_1
  33 #define UNTIL_MACSCP4_1_FROM_MACSCP3
  34 #define UNTIL_MACSCP4_2_FROM_MACSCP3
  35 #define UNTIL_MACSCP3_2
  36 #define UNTIL_MACSCP1_3
  37
  38 #define WHERE before macscp1_1
  39 #define BEFORE_MACSCP1_1
  40 #undef UNTIL_MACSCP1_1
  41 void
  42 macscp1_1 ()
  43 {
  44   puts ("macscp1_1");
  45 }
  46
  47 #include "macscp2.h"
  48
  49 #undef WHERE
  50 #define WHERE before macscp1_2
  51 #define BEFORE_MACSCP1_2
  52 #undef UNTIL_MACSCP1_2
  53 void
  54 macscp1_2 ()
  55 {
  56   puts ("macscp1_2");
  57 }
  58
  59 #include "macscp3.h"
  60
  61 #undef WHERE
  62 #define WHERE before macscp1_3
  63 #define BEFORE_MACSCP1_3
  64 #undef UNTIL_MACSCP1_3
  65 void
  66 macscp1_3 ()
  67 {
  68   puts ("macscp1_3");
  69 }
  70
  71 void
  72 macscp_expr (void)
  73 {
  74   int foo = -1;
  75
  76   foo = 0;  /* set breakpoint here */
  77 #define MACRO_TO_EXPAND foo
  78   foo = 1;
  79 #undef MACRO_TO_EXPAND
  80   foo = 2;
  81 }
  82
  83 #define TWENTY_THREE 23
  84
  85 int
  86 main (int argc, char **argv)
  87 {
  88   macscp1_1 ();
  89   macscp2_1 ();
  90   macscp4_1_from_macscp2 ();
  91   macscp4_2_from_macscp2 ();
  92   macscp2_2 ();
  93   macscp1_2 ();
  94   macscp3_1 ();
  95   macscp4_1_from_macscp3 ();
  96   macscp4_2_from_macscp3 ();
  97   macscp3_2 ();
  98   macscp1_3 ();
  99   macscp_expr ();
 100 }