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tccpp: fix bug in handling of recursive macros

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This commit is contained in:
Joe Soroka
2011-02-01 13:23:40 -08:00
parent cf08675702
commit 75c6695932
3 changed files with 47 additions and 2 deletions
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31
tests/tcctest.c
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@ -45,6 +45,7 @@
void string_test();
void expr_test();
void macro_test();
void recursive_macro_test();
void scope_test();
void forward_test();
void funcptr_test();
@ -281,6 +282,35 @@ comment
TEST2();
}
static void print_num(char *fn, int line, int num) {
printf("fn %s, line %d, num %d\n", fn, line, num);
}
void recursive_macro_test(void)
{
#if 0 /* doesnt work yet */
#define ELF32_ST_TYPE(val) ((val) & 0xf)
#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
#define STB_WEAK 2 /* Weak symbol */
#define ELFW(type) ELF##32##_##type
printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
#endif
#define WRAP(x) x
#define print_num(x) print_num(__FILE__,__LINE__,x)
print_num(123);
WRAP(print_num(123));
WRAP(WRAP(print_num(123)));
static struct recursive_macro { int rm_field; } G;
#define rm_field (G.rm_field)
printf("rm_field = %d\n", rm_field);
printf("rm_field = %d\n", WRAP(rm_field));
WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
}
int op(a,b)
{
return a / b;
@ -501,6 +531,7 @@ int main(int argc, char **argv)
string_test();
expr_test();
macro_test();
recursive_macro_test();
scope_test();
forward_test();
funcptr_test();