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
/*
* This file is part of the source code of the software program
* Vampire. It is protected by applicable
* copyright laws.
*
* This source code is distributed under the licence found here
* https://vprover.github.io/license.html
* and in the source directory
*/
/**
* @file DistinctProcessor.hpp
* Defines class DistinctProcessor.
*/
#ifndef __DistinctProcessor__
#define __DistinctProcessor__
#include "Forwards.hpp"
#include "Kernel/FormulaTransformer.hpp"
#include "Kernel/Problem.hpp"
namespace Shell {
using namespace Kernel;
using namespace Lib;
/**
* Registers top-level distinct predicates in the Signature. Should be
* therefore called only with formulas that are valid.
*/
class DistinctProcessor : public ScanAndApplyFormulaUnitTransformer {
public:
using ScanAndApplyFormulaUnitTransformer::apply;
static bool isDistinctPred(Literal* l);
protected:
bool apply(FormulaUnit* unit, Unit*& res) override;
bool apply(Clause* cl, Unit*& res) override;
void updateModifiedProblem(Problem& prb) override
{
prb.invalidateProperty();
}
};
}
#endif // __DistinctProcessor__