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/********************* */
/*! \file nary_builder.h
** \verbatim
** Top contributors (to current version):
** Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2020 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.\endverbatim
**
** \brief [[ Add one-line brief description here ]]
**
** [[ Add lengthier description here ]]
** \todo document this file
**/
#include "cvc4_private.h"
#pragma once
#include <unordered_map>
#include <vector>
#include "expr/node.h"
namespace CVC4{
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 */
}/* CVC4 namespace */
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