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#include <stdio.h>
#define SPLICE(a, b) INNER_SPLICE(a, b)
#define INNER_SPLICE(a, b) a ## b
#define STRINGIFY(a) INNER_STRINGIFY(a)
#define INNER_STRINGIFY(a) #a
#define FIFTY_SEVEN 57
#define FORTY_EIGHT 48
#undef FORTY_EIGHT
/* A macro named UNTIL_<func> is #defined until just before the
definition of the function <func>.
A macro named BEFORE_<func> is not #defined until just before the
definition of <func>.
The macro WHERE is redefined before each function <func> to the
token list ``before <func>''.
The macscp IN_MACSCP2_H and IN_MACSCP3_H are defined while
processing those header files; macscp4.h uses them to choose
appropriate function names, output strings, and macro definitions. */
#define UNTIL_MACSCP1_1
#define UNTIL_MACSCP2_1
#define UNTIL_MACSCP4_1_FROM_MACSCP2
#define UNTIL_MACSCP4_2_FROM_MACSCP2
#define UNTIL_MACSCP2_2
#define UNTIL_MACSCP1_2
#define UNTIL_MACSCP3_1
#define UNTIL_MACSCP4_1_FROM_MACSCP3
#define UNTIL_MACSCP4_2_FROM_MACSCP3
#define UNTIL_MACSCP3_2
#define UNTIL_MACSCP1_3
#define WHERE before macscp1_1
#define BEFORE_MACSCP1_1
#undef UNTIL_MACSCP1_1
void
macscp1_1 ()
{
puts ("macscp1_1");
}
#include "macscp2.h"
#undef WHERE
#define WHERE before macscp1_2
#define BEFORE_MACSCP1_2
#undef UNTIL_MACSCP1_2
void
macscp1_2 ()
{
puts ("macscp1_2");
}
#include "macscp3.h"
#undef WHERE
#define WHERE before macscp1_3
#define BEFORE_MACSCP1_3
#undef UNTIL_MACSCP1_3
void
macscp1_3 ()
{
puts ("macscp1_3");
}
void
macscp_expr (void)
{
int foo = -1;
foo = 0; /* set breakpoint here */
#define MACRO_TO_EXPAND foo
foo = 1;
#undef MACRO_TO_EXPAND
foo = 2;
}
#define TWENTY_THREE 23
int
main (int argc, char **argv)
{
macscp1_1 ();
macscp2_1 ();
macscp4_1_from_macscp2 ();
macscp4_2_from_macscp2 ();
macscp2_2 ();
macscp1_2 ();
macscp3_1 ();
macscp4_1_from_macscp3 ();
macscp4_2_from_macscp3 ();
macscp3_2 ();
macscp1_3 ();
macscp_expr ();
}
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