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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/********************* -*- C++ -*- */
/** node_manager.h
** Original author: mdeters
** Major contributors: dejan
** Minor contributors (to current version): taking
** 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.
**
** A manager for Nodes.
**/
#ifndef __CVC4__NODE_MANAGER_H
#define __CVC4__NODE_MANAGER_H
#include <vector>
#include <map>
#include "node.h"
#include "kind.h"
namespace CVC4 {
class NodeManager {
static __thread NodeManager* s_current;
template <unsigned> friend class CVC4::NodeBuilder;
typedef std::map<uint64_t, std::vector<Node> > hash_t;
hash_t d_hash;
Node lookup(uint64_t hash, const Node& e) { return lookup(hash, e.d_ev); }
Node lookup(uint64_t hash, NodeValue* e);
NodeValue* lookupNoInsert(uint64_t hash, NodeValue* e);
public:
static NodeManager* currentNM() { return s_current; }
// general expression-builders
Node mkNode(Kind kind);
Node mkNode(Kind kind, const Node& child1);
Node mkNode(Kind kind, const Node& child1, const Node& child2);
Node mkNode(Kind kind, const Node& child1, const Node& child2, const Node& child3);
Node mkNode(Kind kind, const Node& child1, const Node& child2, const Node& child3, const Node& child4);
Node mkNode(Kind kind, const Node& child1, const Node& child2, const Node& child3, const Node& child4, const Node& child5);
// N-ary version
Node mkNode(Kind kind, const std::vector<Node>& children);
// variables are special, because duplicates are permitted
Node mkVar();
};
}/* CVC4 namespace */
#endif /* __CVC4__EXPR_MANAGER_H */
|
