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 struct outer
  14 {
  15   struct fields
  16   {
  17     struct fault
  18     {
  19       int addr;
  20     } fault;
  21   } fields;
  22 };
  23 struct outer address;
  24
  25 #define addr fields.fault.addr
  26
  27 /* A macro named UNTIL_<func> is #defined until just before the
  28    definition of the function <func>.
  29
  30    A macro named BEFORE_<func> is not #defined until just before the
  31    definition of <func>.
  32
  33    The macro WHERE is redefined before each function <func> to the
  34    token list ``before <func>''.
  35
  36    The macscp IN_MACSCP2_H and IN_MACSCP3_H are defined while
  37    processing those header files; macscp4.h uses them to choose
  38    appropriate function names, output strings, and macro definitions.  */
  39
  40 #define UNTIL_MACSCP1_1
  41 #define UNTIL_MACSCP2_1
  42 #define UNTIL_MACSCP4_1_FROM_MACSCP2
  43 #define UNTIL_MACSCP4_2_FROM_MACSCP2
  44 #define UNTIL_MACSCP2_2
  45 #define UNTIL_MACSCP1_2
  46 #define UNTIL_MACSCP3_1
  47 #define UNTIL_MACSCP4_1_FROM_MACSCP3
  48 #define UNTIL_MACSCP4_2_FROM_MACSCP3
  49 #define UNTIL_MACSCP3_2
  50 #define UNTIL_MACSCP1_3
  51
  52 #define WHERE before macscp1_1
  53 #define BEFORE_MACSCP1_1
  54 #undef UNTIL_MACSCP1_1
  55 void
  56 macscp1_1 ()
  57 {
  58   puts ("macscp1_1");
  59 }
  60
  61 #include "macscp2.h"
  62
  63 #undef WHERE
  64 #define WHERE before macscp1_2
  65 #define BEFORE_MACSCP1_2
  66 #undef UNTIL_MACSCP1_2
  67 void
  68 macscp1_2 ()
  69 {
  70   puts ("macscp1_2");
  71 }
  72
  73 #include "macscp3.h"
  74
  75 #undef WHERE
  76 #define WHERE before macscp1_3
  77 #define BEFORE_MACSCP1_3
  78 #undef UNTIL_MACSCP1_3
  79 void
  80 macscp1_3 ()
  81 {
  82   puts ("macscp1_3");
  83 }
  84
  85 void
  86 macscp_expr (void)
  87 {
  88   int foo = -1;
  89
  90   foo = 0;  /* set breakpoint here */
  91 #define MACRO_TO_EXPAND foo
  92   foo = 1;
  93 #undef MACRO_TO_EXPAND
  94   foo = 2;
  95 }
  96
  97 #define TWENTY_THREE 23
  98
  99 int
 100 main (int argc, char **argv)
 101 {
 102   macscp1_1 ();
 103   macscp2_1 ();
 104   macscp4_1_from_macscp2 ();
 105   macscp4_2_from_macscp2 ();
 106   macscp2_2 ();
 107   macscp1_2 ();
 108   macscp3_1 ();
 109   macscp4_1_from_macscp3 ();
 110   macscp4_2_from_macscp3 ();
 111   macscp3_2 ();
 112   macscp1_3 ();
 113   macscp_expr ();
 114 }