blob: 4ac80f7726f5937d6c4ae455a0ece6b3c69197d7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/********************* -*- C++ -*- */
/** unique_id.h
** This file is part of the CVC4 prototype.
** Copyright (c) 2009 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.
**
**/
#ifndef __CVC4__UNIQUE_ID_H
#define __CVC4__UNIQUE_ID_H
namespace CVC4 {
// NOTE that UniqueID is intended for startup registration; it
// shouldn't be used in multi-threaded contexts.
template <class T>
class UniqueID {
static unsigned s_topID;
const unsigned d_thisID;
public:
UniqueID() : d_thisID( s_topID++ ) { }
operator unsigned() const { return d_thisID; }
};
template <class T>
unsigned UniqueID<T>::s_topID = 0;
}/* CVC4 namespace */
#endif /* __CVC4__UNIQUE_ID_H */
|