ocaml/byterun/obj.c

66 lines
1.7 KiB
C

/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* Automatique. Distributed only by permission. */
/* */
/***********************************************************************/
/* $Id$ */
/* Operations on objects */
#include "alloc.h"
#include "major_gc.h"
#include "memory.h"
#include "minor_gc.h"
#include "misc.h"
#include "mlvalues.h"
#include "prims.h"
value static_alloc(value size) /* ML */
{
return (value) stat_alloc((asize_t) Long_val(size));
}
value static_free(value blk) /* ML */
{
stat_free((void *) blk);
return Val_unit;
}
value static_resize(value blk, value new_size) /* ML */
{
return (value) stat_resize((char *) blk, (asize_t) Long_val(new_size));
}
value obj_is_block(value arg) /* ML */
{
return Val_bool(Is_block(arg));
}
value obj_tag(value arg) /* ML */
{
return Val_int(Tag_val(arg));
}
value obj_block(value tag, value size) /* ML */
{
value res;
mlsize_t sz, i;
tag_t tg;
sz = Long_val(size);
tg = Long_val(tag);
if (sz == 0) return Atom(tg);
res = alloc(sz, tg);
for (i = 0; i < sz; i++)
Field(res, i) = Val_long(0);
return res;
}