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Generic compare

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This commit is contained in:
Dmitry Boulytchev 2019-12-20 00:23:35 +03:00
parent a9946113c9
commit 6181173cb8
6 changed files with 117 additions and 5 deletions
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62
runtime/runtime.c
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@ -13,7 +13,7 @@
# define alloc malloc
# endif
/* # define DEBUG_PRINT 1 */
/*# define DEBUG_PRINT 1 */
/* GC pool structure and data; declared here in order to allow debug print */
typedef struct {
@ -228,6 +228,62 @@ static void printValue (void *p) {
}
}
int Lcompare (void *p, void *q) {
# define COMPARE_AND_RETURN(x,y) do if (x != y) return BOX(x - y); while (0)
if (UNBOXED(p)) {
if (UNBOXED(q)) return BOX(UNBOX(p) - UNBOX(q));
else return BOX(-1);
}
else if (UNBOXED(q)) return BOX(1);
else {
data *a = TO_DATA(p), *b = TO_DATA(q);
int ta = TAG(a->tag), tb = TAG(b->tag);
int la = LEN(a->tag), lb = LEN(b->tag);
int i;
COMPARE_AND_RETURN (ta, tb);
switch (ta) {
case STRING_TAG:
return BOX(strcmp (a->contents, b->contents));
case CLOSURE_TAG:
COMPARE_AND_RETURN (((void**) a->contents)[0], ((void**) b->contents)[0]);
COMPARE_AND_RETURN (la, lb);
i = 1;
break;
case ARRAY_TAG:
COMPARE_AND_RETURN (la, lb);
i = 0;
break;
case SEXP_TAG: {
#ifndef DEBUG_PRINT
int ta = TO_SEXP(p)->tag, tb = TO_SEXP(q)->tag;
#else
int ta = GET_SEXP_TAG(TO_SEXP(p)->tag), tb = GET_SEXP_TAG(TO_SEXP(q)->tag);
#endif
COMPARE_AND_RETURN (ta, tb);
COMPARE_AND_RETURN (la, lb);
i = 0;
break;
}
default:
fprintf (stderr, "***** INTERNAL ERROR: invalid tag %d in compare *****\n", ta);
exit (255);
}
for (; i<la; i++) {
int c = Lcompare (((void**) a->contents)[i], ((void**) b->contents)[i]);
if (c != BOX(0)) return BOX(c);
}
return BOX(0);
}
}
extern void* Belem (void *p, int i) {
data *a = (data *)BOX(NULL);
a = TO_DATA(p);
@ -552,8 +608,8 @@ extern void __gc_root_scan_stack ();
/* Mark-and-copy */
/* ======================================== */
static size_t SPACE_SIZE = 128;
//static size_t SPACE_SIZE = 1280;
//static size_t SPACE_SIZE = 128;
static size_t SPACE_SIZE = 1280;
# define POOL_SIZE (2*SPACE_SIZE)
static void swap (size_t ** a, size_t ** b) {