core: Make using GC in switchable, set to off; on dumps core.

This commit is contained in:
Jan Nieuwenhuizen 2016-10-27 20:46:29 +02:00
parent 99cedbfbde
commit f3225a77e2

19
mes.c
View file

@ -31,10 +31,15 @@
#define QUASIQUOTE 1
//#define QUASISYNTAX 0
#define GC 1
#if GC // call gc from builtin_eval () -- dumps core
//int ARENA_SIZE = 1024 * 1024 * 1024;
//int ARENA_SIZE = 27000; // sizeof(scm) = 24
/* 28000 cells triggers a gc for mes-check just afre passing the first test */
int ARENA_SIZE = 28000; // sizeof(scm) = 24
int GC_SAFETY = 1000;
#else // testing
int ARENA_SIZE = 10;
int GC_SAFETY = 0;
#endif
enum type {CHAR, FUNCTION, MACRO, NUMBER, PAIR, SCM, STRING, SYMBOL, REF, VALUES, VECTOR, BROKEN_HEART};
@ -156,7 +161,7 @@ scm *g_news;
scm *
alloc (int n)
{
#if 0
#if GC
// haha, where are we going to get our root, i.e., a=environment?
//if (g_free - g_cells + n >= ARENA_SIZE) gc ();
assert (g_free.value + n < ARENA_SIZE);
@ -182,7 +187,7 @@ gc (scm *a)
{
fprintf (stderr, "***GC***\n");
g_free.value = 0;
gc_show ();
//gc_show ();
scm *new = gc_copy (a);
return gc_loop (new);
}
@ -192,7 +197,7 @@ gc_loop (scm *new)
{
while (new - g_news < g_free.value)
{
gc_show ();
//gc_show ();
if (new->type == PAIR
|| new->type == REF
|| new->type == STRING
@ -560,7 +565,9 @@ apply_env (scm *fn, scm *x, scm *a)
scm *
eval_env (scm *e, scm *a)
{
/////if (g_free.value + GC_SAFETY > ARENA_SIZE) gc (a);
#if GC
if (g_free.value + GC_SAFETY > ARENA_SIZE) gc (a);
#endif
switch (e->type)
{
case PAIR:
@ -962,7 +969,7 @@ int display_depth = 1000;
scm *
display_helper (FILE* f, scm *x, bool cont, char const *sep, bool quote)
{
if (!display_depth) return &scm_unspecified;
//if (!display_depth) return &scm_unspecified;
display_depth--;
scm *r;
fprintf (f, "%s", sep);