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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Manuel Serrano and Xavier Leroy, INRIA Rocquencourt */
/* */
/* Copyright 2000 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License, with */
/* the special exception on linking described in file ../LICENSE. */
/* */
/***********************************************************************/
/* $Id$ */
#include <string.h>
#include "alloc.h"
#include "custom.h"
#include "fail.h"
#include "memory.h"
#include "mlvalues.h"
CAMLextern value alloc_custom(struct custom_operations * ops,
unsigned long size,
mlsize_t mem,
mlsize_t max)
{
mlsize_t wosize;
value result;
wosize = 1 + (size + sizeof(value) - 1) / sizeof(value);
if (ops->finalize == NULL && wosize <= Max_young_wosize) {
result = caml_alloc_small(wosize, Custom_tag);
Custom_ops_val(result) = ops;
} else {
result = alloc_shr(wosize, Custom_tag);
Custom_ops_val(result) = ops;
adjust_gc_speed(mem, max);
result = check_urgent_gc(result);
}
return result;
}
struct custom_operations_list {
struct custom_operations * ops;
struct custom_operations_list * next;
};
static struct custom_operations_list * custom_ops_table = NULL;
CAMLextern void register_custom_operations(struct custom_operations * ops)
{
struct custom_operations_list * l =
stat_alloc(sizeof(struct custom_operations_list));
Assert(ops->identifier != NULL);
Assert(ops->deserialize != NULL);
l->ops = ops;
l->next = custom_ops_table;
custom_ops_table = l;
}
struct custom_operations * find_custom_operations(char * ident)
{
struct custom_operations_list * l;
for (l = custom_ops_table; l != NULL; l = l->next)
if (strcmp(l->ops->identifier, ident) == 0) return l->ops;
return NULL;
}
static struct custom_operations_list * custom_ops_final_table = NULL;
struct custom_operations * final_custom_operations(final_fun fn)
{
struct custom_operations_list * l;
struct custom_operations * ops;
for (l = custom_ops_final_table; l != NULL; l = l->next)
if (l->ops->finalize == fn) return l->ops;
ops = stat_alloc(sizeof(struct custom_operations));
ops->identifier = "_final";
ops->finalize = fn;
ops->compare = custom_compare_default;
ops->hash = custom_hash_default;
ops->serialize = custom_serialize_default;
ops->deserialize = custom_deserialize_default;
l = stat_alloc(sizeof(struct custom_operations_list));
l->ops = ops;
l->next = custom_ops_final_table;
custom_ops_final_table = l;
return ops;
}
extern struct custom_operations int32_ops, nativeint_ops, int64_ops;
void init_custom_operations(void)
{
register_custom_operations(&int32_ops);
register_custom_operations(&nativeint_ops);
register_custom_operations(&int64_ops);
}
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