about summary refs log tree commit diff homepage
path: root/lib/Core/PTree.h
blob: faa65d85bbc82fb6232bf569377d58e406edde4f (plain) (blame)
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
//===-- PTree.h -------------------------------------------------*- C++ -*-===//
//
//                     The KLEE Symbolic Virtual Machine
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef __UTIL_PTREE_H__
#define __UTIL_PTREE_H__

#include <klee/Expr.h>

namespace klee {
  class ExecutionState;

  class PTree { 
    typedef ExecutionState* data_type;

  public:
    typedef class PTreeNode Node;
    Node *root;

    explicit PTree(const data_type &_root);
    ~PTree() = default;
    
    std::pair<Node*,Node*> split(Node *n,
                                 const data_type &leftData,
                                 const data_type &rightData);
    void remove(Node *n);

    void dump(llvm::raw_ostream &os);
  };

  class PTreeNode {
    friend class PTree;
  public:
    PTreeNode *parent = nullptr;
    PTreeNode *left = nullptr;
    PTreeNode *right = nullptr;
    ExecutionState *data = nullptr;

  private:
    PTreeNode(PTreeNode * parent, ExecutionState * data);
    ~PTreeNode() = default;
  };
}

#endif