Comma: include/comma/runtime/crt

00001 /*===-- runtime/crt_itable.h ----------------------------------------------===
00002  *
00003  * This file is distributed under the MIT license. See LICENSE.txt for details.
00004  *
00005  * Copyright (C) 2009, Stephen Wilson
00006  *
00007  *===----------------------------------------------------------------------===*/
00008 
00009 /*
00010  * The following table is used to manage the creation of domain instances.
00011  */
00012 
00013 #ifndef COMMA_RUNTIME_CRT_ITABEL_HDR_GUARD
00014 #define COMMA_RUNTIME_CRT_ITABEL_HDR_GUARD
00015 
00016 #include "comma/runtime/crt_types.h"
00017 
00018 #include <stdbool.h>
00019 
00020 struct itable {
00021         /*
00022          * Number of entries in this table.
00023          */
00024         unsigned num_entries;
00025 
00026         /*
00027          * Exponent on 2 yielding the size of the bucket.
00028          */
00029         unsigned bucket_size;
00030 
00031         /*
00032          * An array of instances with bucket_size elements.
00033          */
00034         domain_instance_t *bucket;
00035 };
00036 
00037 struct itable *alloc_itable();
00038 
00039 bool itable_lookup(struct itable     *htab,
00040                    domain_info_t      info,
00041                    domain_instance_t *key,
00042                    domain_instance_t *instance);
00043 
00044 #endif
include/comma/runtime/crt_itable.h
