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/******************************************************************************
* Top contributors (to current version):
* Tim King
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* [[ Add one-line brief description here ]]
*
* [[ Add lengthier description here ]]
* \todo document this file
*/
#include "cvc5_private.h"
#pragma once
#include <unordered_map>
#include <vector>
#include "expr/node.h"
namespace cvc5 {
namespace util {
class NaryBuilder {
public:
static Node mkAssoc(Kind k, const std::vector<Node>& children);
static Node zeroArity(Kind k);
};/* class NaryBuilder */
class RePairAssocCommutativeOperators {
public:
RePairAssocCommutativeOperators();
~RePairAssocCommutativeOperators();
Node rePairAssocCommutativeOperators(TNode n);
static bool isAssociateCommutative(Kind k);
size_t size() const;
void clear();
private:
Node case_assoccomm(TNode n);
Node case_other(TNode n);
typedef std::unordered_map<Node, Node, NodeHashFunction> NodeMap;
NodeMap d_cache;
};/* class RePairAssocCommutativeOperators */
}/* util namespace */
} // namespace cvc5
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