PN_SIZE potion_mark_stack(Potion *P, int forward) {
PN_SIZE n;
struct PNMemory *M = P->mem;
_PN *end, *start = M->cstack;
POTION_ESP(&end);
#if POTION_STACK_DIR > 0
n = end - start;
#else
n = start - end + 1;
start = end;
end = M->cstack;
#endif
if (n <= 0) return 0;
return pngc_mark_array(P, start, n, forward);
}
ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS
PN_SIZE potion_mark_stack(Potion *P, int type) {
long n;
_PN *end, *start = P->mem->cstack;
POTION_ESP(&end);
#if POTION_STACK_DIR > 0
n = end - start;
#else
n = start - end + 1;
start = end;
end = P->mem->cstack;
#endif
DBG_Gv(P,"mark_stack (%p -> %p = %ld, type=%d)\n", start, end, n, type);
if (n <= 0) return 0;
return pngc_mark_array(P, start, n, type);
}
void *potion_mark_major(Potion *P, const struct PNObject *ptr) {
struct PNMemory *M = P->mem;
PN_SIZE i;
PN_SIZE sz = 16;
switch (((struct PNFwd *)ptr)->fwd) {
case POTION_COPIED:
case POTION_FWD:
GC_MAJOR_UPDATE(((struct PNFwd *)ptr)->ptr);
goto done;
}
if (ptr->vt > PN_TUSER) {
GC_MAJOR_UPDATE(PN_VTABLE(ptr->vt));
int ivars = ((struct PNVtable *)PN_VTABLE(ptr->vt))->ivlen;
for (i = 0; i < ivars; i++)
GC_MAJOR_UPDATE(((struct PNObject *)ptr)->ivars[i]);
goto done;
}
switch (ptr->vt) {
case PN_TWEAK:
GC_MAJOR_UPDATE(((struct PNWeakRef *)ptr)->data);
break;
case PN_TCLOSURE:
GC_MAJOR_UPDATE(((struct PNClosure *)ptr)->sig);
for (i = 0; i < ((struct PNClosure *)ptr)->extra; i++)
GC_MAJOR_UPDATE(((struct PNClosure *)ptr)->data[i]);
break;
case PN_TTUPLE: {
struct PNTuple * volatile t = (struct PNTuple *)potion_fwd((PN)ptr);
for (i = 0; i < t->len; i++)
GC_MAJOR_UPDATE(t->set[i]);
}
break;
case PN_TSTATE:
GC_MAJOR_UPDATE(((Potion *)ptr)->strings);
GC_MAJOR_UPDATE(((Potion *)ptr)->lobby);
GC_MAJOR_UPDATE(((Potion *)ptr)->vts);
GC_MAJOR_UPDATE(((Potion *)ptr)->source);
GC_MAJOR_UPDATE(((Potion *)ptr)->input);
GC_MAJOR_UPDATE(((Potion *)ptr)->pbuf);
GC_MAJOR_UPDATE(((Potion *)ptr)->unclosed);
GC_MAJOR_UPDATE(((Potion *)ptr)->call);
GC_MAJOR_UPDATE(((Potion *)ptr)->callset);
break;
case PN_TFILE:
GC_MAJOR_UPDATE(((struct PNFile *)ptr)->path);
break;
case PN_TVTABLE:
GC_MAJOR_UPDATE(((struct PNVtable *)ptr)->parent);
GC_MAJOR_UPDATE(((struct PNVtable *)ptr)->ivars);
GC_MAJOR_UPDATE(((struct PNVtable *)ptr)->methods);
GC_MAJOR_UPDATE(((struct PNVtable *)ptr)->ctor);
GC_MAJOR_UPDATE(((struct PNVtable *)ptr)->call);
GC_MAJOR_UPDATE(((struct PNVtable *)ptr)->callset);
break;
case PN_TSOURCE:
GC_MAJOR_UPDATE(((struct PNSource *)ptr)->a[0]);
GC_MAJOR_UPDATE(((struct PNSource *)ptr)->a[1]);
GC_MAJOR_UPDATE(((struct PNSource *)ptr)->a[2]);
break;
case PN_TPROTO:
GC_MAJOR_UPDATE(((struct PNProto *)ptr)->source);
GC_MAJOR_UPDATE(((struct PNProto *)ptr)->sig);
GC_MAJOR_UPDATE(((struct PNProto *)ptr)->stack);
GC_MAJOR_UPDATE(((struct PNProto *)ptr)->paths);
GC_MAJOR_UPDATE(((struct PNProto *)ptr)->locals);
GC_MAJOR_UPDATE(((struct PNProto *)ptr)->upvals);
GC_MAJOR_UPDATE(((struct PNProto *)ptr)->values);
GC_MAJOR_UPDATE(((struct PNProto *)ptr)->protos);
GC_MAJOR_UPDATE(((struct PNProto *)ptr)->tree);
GC_MAJOR_UPDATE(((struct PNProto *)ptr)->asmb);
break;
case PN_TTABLE:
GC_MAJOR_UPDATE_TABLE(PN, (struct PNTable *)potion_fwd((PN)ptr), 1);
break;
case PN_TFLEX:
for (i = 0; i < PN_FLEX_SIZE(ptr); i++)
GC_MAJOR_UPDATE(PN_FLEX_AT(ptr, i));
break;
case PN_TCONT:
GC_KEEP(ptr);
pngc_mark_array(P, (_PN *)((struct PNCont *)ptr)->stack + 3, ((struct PNCont *)ptr)->len - 3, 2);
break;
}
done:
sz = potion_type_size(P, ptr);
return (void *)((char *)ptr + sz);
}
