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/********************* */
/*! \file smt2_printer.h
** \verbatim
** Top contributors (to current version):
** Tim King, Andrew Reynolds, Morgan Deters
** 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 The pretty-printer interface for the SMT2 output language
**
** The pretty-printer interface for the SMT2 output language.
**/
#include "cvc4_private.h"
#ifndef CVC4__PRINTER__SMT2_PRINTER_H
#define CVC4__PRINTER__SMT2_PRINTER_H
#include <iostream>
#include "printer/printer.h"
namespace CVC4 {
namespace printer {
namespace smt2 {
enum Variant
{
no_variant,
smt2_0_variant, // old-style 2.0 syntax, when it makes a difference
smt2_6_variant, // new-style 2.6 syntax, when it makes a difference, with
// support for the string standard
z3str_variant, // old-style 2.0 and also z3str syntax
sygus_variant // variant for sygus
}; /* enum Variant */
class Smt2Printer : public CVC4::Printer {
public:
Smt2Printer(Variant variant = no_variant) : d_variant(variant) { }
using CVC4::Printer::toStream;
void toStream(std::ostream& out,
TNode n,
int toDepth,
bool types,
size_t dag) const override;
void toStream(std::ostream& out,
const Command* c,
int toDepth,
bool types,
size_t dag) const override;
void toStream(std::ostream& out, const CommandStatus* s) const override;
void toStream(std::ostream& out, const Model& m) const override;
/**
* Writes the unsat core to the stream out.
* We use the expression names that are stored in the SMT engine associated
* with the core (UnsatCore::getSmtEngine) for printing named assertions.
*/
void toStream(std::ostream& out, const UnsatCore& core) const override;
/**
* Write the term that sygus datatype term node n
* encodes to a stream with this Printer.
*/
void toStreamSygus(std::ostream& out, TNode n) const override;
private:
void toStream(
std::ostream& out, TNode n, int toDepth, bool types, TypeNode nt) const;
void toStream(std::ostream& out,
const Model& m,
const Command* c) const override;
void toStream(std::ostream& out, const SExpr& sexpr) const;
Variant d_variant;
};/* class Smt2Printer */
}/* CVC4::printer::smt2 namespace */
}/* CVC4::printer namespace */
}/* CVC4 namespace */
#endif /* CVC4__PRINTER__SMT2_PRINTER_H */
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