X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flisp%2Fao_lisp_cons.c;h=d2b60c9a6561b06f1ec926d864d0c9934de951af;hb=6fb817f218a69b28973b0d059d71809717b1e2d1;hp=f8a34ed4914a1e0073116f964bd08b7c47f0ccad;hpb=11cb03b1d336ee90c422be27588f57be573a9546;p=fw%2Faltos diff --git a/src/lisp/ao_lisp_cons.c b/src/lisp/ao_lisp_cons.c index f8a34ed4..d2b60c9a 100644 --- a/src/lisp/ao_lisp_cons.c +++ b/src/lisp/ao_lisp_cons.c @@ -14,33 +14,16 @@ #include "ao_lisp.h" -#define OFFSET(a) ((int) ((uint8_t *) (a) - ao_lisp_const)) - -#if 0 -static int cons_depth; -#define DBG(...) do { int d; for (d = 0; d < cons_depth; d++) printf (" "); printf(__VA_ARGS__); } while(0) -#define DBG_IN() (cons_depth++) -#define DBG_OUT() (cons_depth--) -#define DBG_PR(c) ao_lisp_cons_print(ao_lisp_cons_poly(c)) -#define DBG_PRP(p) ao_lisp_poly_print(p) -#else -#define DBG(...) -#define DBG_IN() -#define DBG_OUT() -#define DBG_PR(c) -#define DBG_PRP(p) -#endif - static void cons_mark(void *addr) { struct ao_lisp_cons *cons = addr; for (;;) { - ao_lisp_poly_mark(cons->car); + ao_lisp_poly_mark(cons->car, 1); cons = ao_lisp_poly_cons(cons->cdr); if (!cons) break; - if (ao_lisp_mark_memory(cons, sizeof (struct ao_lisp_cons))) + if (ao_lisp_mark_memory(&ao_lisp_cons_type, cons)) break; } } @@ -55,44 +38,72 @@ static void cons_move(void *addr) { struct ao_lisp_cons *cons = addr; - DBG_IN(); - DBG("move cons start %d\n", OFFSET(cons)); + if (!cons) + return; + for (;;) { struct ao_lisp_cons *cdr; - ao_poly car; + int ret; - car = ao_lisp_poly_move(cons->car); - DBG(" moved car %d -> %d\n", OFFSET(ao_lisp_ref(cons->car)), OFFSET(ao_lisp_ref(car))); - cons->car = car; + MDBG_MOVE("cons_move start %d (%d, %d)\n", + MDBG_OFFSET(cons), MDBG_OFFSET(ao_lisp_ref(cons->car)), MDBG_OFFSET(ao_lisp_ref(cons->cdr))); + (void) ao_lisp_poly_move(&cons->car, 1); cdr = ao_lisp_poly_cons(cons->cdr); - cdr = ao_lisp_move_memory(cdr, sizeof (struct ao_lisp_cons)); if (!cdr) break; - DBG(" moved cdr %d -> %d\n", OFFSET(ao_lisp_poly_cons(cons->cdr)), OFFSET(cdr)); - cons->cdr = ao_lisp_cons_poly(cdr); + ret = ao_lisp_move_memory(&ao_lisp_cons_type, (void **) &cdr); + if (cdr != ao_lisp_poly_cons(cons->cdr)) + cons->cdr = ao_lisp_cons_poly(cdr); + MDBG_MOVE("cons_move end %d (%d, %d)\n", + MDBG_OFFSET(cons), MDBG_OFFSET(ao_lisp_ref(cons->car)), MDBG_OFFSET(ao_lisp_ref(cons->cdr))); + if (ret) + break; cons = cdr; } - DBG("move cons end\n"); - DBG_OUT(); } const struct ao_lisp_type ao_lisp_cons_type = { .mark = cons_mark, .size = cons_size, .move = cons_move, + .name = "cons", }; +struct ao_lisp_cons *ao_lisp_cons_free_list; + struct ao_lisp_cons * ao_lisp_cons_cons(ao_poly car, struct ao_lisp_cons *cdr) { - struct ao_lisp_cons *cons = ao_lisp_alloc(sizeof (struct ao_lisp_cons)); - if (!cons) - return NULL; + struct ao_lisp_cons *cons; + + if (ao_lisp_cons_free_list) { + cons = ao_lisp_cons_free_list; + ao_lisp_cons_free_list = ao_lisp_poly_cons(cons->cdr); + } else { + ao_lisp_poly_stash(0, car); + ao_lisp_cons_stash(0, cdr); + cons = ao_lisp_alloc(sizeof (struct ao_lisp_cons)); + car = ao_lisp_poly_fetch(0); + cdr = ao_lisp_cons_fetch(0); + if (!cons) + return NULL; + } cons->car = car; cons->cdr = ao_lisp_cons_poly(cdr); return cons; } +void +ao_lisp_cons_free(struct ao_lisp_cons *cons) +{ + while (cons) { + ao_poly cdr = cons->cdr; + cons->cdr = ao_lisp_cons_poly(ao_lisp_cons_free_list); + ao_lisp_cons_free_list = cons; + cons = ao_lisp_poly_cons(cdr); + } +} + void ao_lisp_cons_print(ao_poly c) { @@ -108,3 +119,25 @@ ao_lisp_cons_print(ao_poly c) } printf(")"); } + +void +ao_lisp_cons_patom(ao_poly c) +{ + struct ao_lisp_cons *cons = ao_lisp_poly_cons(c); + + while (cons) { + ao_lisp_poly_patom(cons->car); + cons = ao_lisp_poly_cons(cons->cdr); + } +} + +int +ao_lisp_cons_length(struct ao_lisp_cons *cons) +{ + int len = 0; + while (cons) { + len++; + cons = ao_lisp_poly_cons(cons->cdr); + } + return len; +}