1 //
2 // aegis - project change supervisor
3 // Copyright (C) 1990-1995, 2002-2006, 2008, 2012 Peter Miller
4 //
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 3 of the License, or
8 // (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program. If not, see
17 // <http://www.gnu.org/licenses/>.
18 //
19
20 #include <common/mem.h>
21 #include <common/symtab.h>
22 #include <common/trace.h>
23
24
symtab_ty(int suggested_size)25 symtab_ty::symtab_ty(int suggested_size) :
26 reap(0),
27 hash_table(0),
28 hash_modulus(0),
29 hash_mask(0),
30 hash_load(0)
31 {
32 trace(("symtab(%d)\n{\n", suggested_size));
33 trace(("this = %p\n", this));
34 hash_modulus = 1 << 5; // MUST be a power of 2
35 while ((long)hash_modulus < (long)suggested_size)
36 hash_modulus <<= 1;
37 hash_mask = hash_modulus - 1;
38 hash_table = new row_t * [hash_modulus];
39 for (str_hash_ty j = 0; j < hash_modulus; ++j)
40 hash_table[j] = 0;
41 trace(("}\n"));
42 }
43
44
~symtab_ty()45 symtab_ty::~symtab_ty()
46 {
47 trace(("~symtab()\n{\n"));
48 trace(("this = %p\n", this));
49 clear();
50
51 reap = 0;
52 delete [] hash_table;
53 hash_table = 0;
54 hash_modulus = 0;
55 hash_mask = 0;
56 trace(("}\n"));
57 }
58
59
60 // vim: set ts=8 sw=4 et :
61