98 lines
2.0 KiB
C
98 lines
2.0 KiB
C
#include <gc.h>
|
|
#include <gmp.h>
|
|
|
|
|
|
enum JoyTypeType {
|
|
joySymbol,
|
|
joyTrue,
|
|
joyFalse,
|
|
joyInt,
|
|
joyList
|
|
};
|
|
|
|
typedef struct list_node* JoyList;
|
|
|
|
typedef struct JoyType {
|
|
enum JoyTypeType kind;
|
|
union {
|
|
int b; // bool
|
|
mpz_t i;
|
|
JoyList el;
|
|
};
|
|
} name ;
|
|
|
|
typedef struct list_node {
|
|
struct JoyType head;
|
|
struct list_node* tail;
|
|
} *JoyList;
|
|
|
|
|
|
// Example S-exprs
|
|
// https://www.hboehm.info/gc/04tutorial.pdf
|
|
/**/
|
|
/*typedef union se*/
|
|
/*{*/
|
|
/* struct cons * cp;*/
|
|
/* mpz_t i;*/
|
|
/*} sexpr;*/
|
|
/**/
|
|
/*struct cons*/
|
|
/*{*/
|
|
/* union se head;*/
|
|
/* union se tail;*/
|
|
/*};*/
|
|
/**/
|
|
/*#define car(s) (s).cp->head*/
|
|
/*#define cdr(s) (s).cp->tail*/
|
|
/*#define from_i(z) ({sexpr tmp; tmp.i=z; tmp;})*/
|
|
/*#define to_i(s) (s).i*/
|
|
/**/
|
|
/*sexpr cons(sexpr a, sexpr b) {*/
|
|
/* sexpr tmp = {GC_MALLOC(sizeof(struct cons))};*/
|
|
/* car(tmp) = a; cdr(tmp) = b;*/
|
|
/* return (tmp);*/
|
|
/*};*/
|
|
|
|
void* reallocate_function (void *ptr, size_t old_size, size_t new_size) {
|
|
return GC_realloc(ptr, new_size);
|
|
}
|
|
void deallocate_function (void *ptr, size_t size) {
|
|
GC_free(ptr);
|
|
}
|
|
|
|
void my_callback(GC_PTR void_obj, GC_PTR void_environment) {
|
|
//MY_ENVIRONMENT *env = (MY_ENVIRONMENT)void_environment;
|
|
mpz_t *obj = (mpz_t*)void_obj;
|
|
mpz_clear(*obj);
|
|
}
|
|
|
|
/*sexpr new_int(void) {*/
|
|
/* sexpr node = {GC_MALLOC(sizeof(struct cons))};*/
|
|
/* mpz_init(node.i);*/
|
|
/* GC_register_finalizer(node.i, my_callback, NULL, NULL, NULL);*/
|
|
/* return (node);*/
|
|
/*}*/
|
|
|
|
|
|
int main(void)
|
|
{
|
|
mp_set_memory_functions(
|
|
&GC_malloc,
|
|
&reallocate_function,
|
|
&deallocate_function
|
|
);
|
|
mpz_t pi;
|
|
//mpz_init_set_str (pi, "3141592653589793238462643383279502884", 10);
|
|
mpz_init_set_str (pi, "25d0c79fe247f31777d922627a74624", 16);
|
|
gmp_printf ("%Zd = %Zx\n", pi, pi);
|
|
GC_register_finalizer(pi, my_callback, NULL, NULL, NULL);
|
|
|
|
/*sexpr i = new_int();*/
|
|
/*mpz_add(i.i, pi, pi);*/
|
|
/*gmp_printf ("%Zd\n", i.i);*/
|
|
return 0;
|
|
|
|
//return to_i(car(cons(from_i(0),from_i(1))));
|
|
}
|
|
|