117 lines
3.5 KiB
C
117 lines
3.5 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Manuel Serrano and Xavier Leroy, INRIA Rocquencourt */
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/* */
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/* Copyright 2000 Institut National de Recherche en Informatique et */
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/* en Automatique. All rights reserved. This file is distributed */
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/* under the terms of the GNU Library General Public License. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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#include <string.h>
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#include "alloc.h"
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#include "custom.h"
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#include "fail.h"
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#include "memory.h"
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#include "mlvalues.h"
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value alloc_custom(struct custom_operations * ops,
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unsigned long size,
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mlsize_t mem,
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mlsize_t max)
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{
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mlsize_t wosize;
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value result;
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wosize = 1 + (size + sizeof(value) - 1) / sizeof(value);
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if (ops->finalize == NULL && wosize <= Max_young_wosize) {
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result = alloc_small(wosize, Custom_tag);
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Custom_ops_val(result) = ops;
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} else {
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result = alloc_shr(wosize, Custom_tag);
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Custom_ops_val(result) = ops;
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adjust_gc_speed(mem, max);
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result = check_urgent_gc(result);
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}
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return result;
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}
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int custom_compare_default(value v1, value v2)
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{
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failwith("equal: abstract value");
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return 0;
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}
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void custom_serialize_default(value v, unsigned long * wsize_32,
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unsigned long * wsize_64)
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{
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failwith("output_value: abstract value");
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}
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struct custom_operations_list {
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struct custom_operations * ops;
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struct custom_operations_list * next;
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};
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static struct custom_operations_list * custom_ops_table = NULL;
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void register_custom_operations(struct custom_operations * ops)
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{
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struct custom_operations_list * l =
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stat_alloc(sizeof(struct custom_operations_list));
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Assert(ops->identifier != NULL);
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Assert(ops->deserialize != NULL);
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l->ops = ops;
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l->next = custom_ops_table;
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custom_ops_table = l;
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}
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struct custom_operations * find_custom_operations(char * ident)
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{
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struct custom_operations_list * l;
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for (l = custom_ops_table; l != NULL; l = l->next)
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if (strcmp(l->ops->identifier, ident) == 0) return l->ops;
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return NULL;
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}
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static struct custom_operations_list * custom_ops_final_table = NULL;
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struct custom_operations * final_custom_operations(final_fun fn)
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{
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struct custom_operations_list * l;
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struct custom_operations * ops;
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for (l = custom_ops_final_table; l != NULL; l = l->next)
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if (l->ops->finalize == fn) return l->ops;
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ops = stat_alloc(sizeof(struct custom_operations));
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ops->identifier = "_final";
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ops->finalize = fn;
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ops->compare = custom_compare_default;
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ops->hash = custom_hash_default;
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ops->serialize = custom_serialize_default;
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ops->deserialize = custom_deserialize_default;
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l = stat_alloc(sizeof(struct custom_operations_list));
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l->ops = ops;
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l->next = custom_ops_final_table;
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custom_ops_table = l;
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return ops;
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}
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extern struct custom_operations int32_ops, nativeint_ops;
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#ifdef ARCH_INT64_TYPE
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extern struct custom_operations int64_ops;
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#endif
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void init_custom_operations(void)
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{
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register_custom_operations(&int32_ops);
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register_custom_operations(&nativeint_ops);
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#ifdef ARCH_INT64_TYPE
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register_custom_operations(&int64_ops);
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#endif
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}
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