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/********************* */
/*! \file printer.h
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Tim King, Andrew Reynolds
** This file is part of the CVC4 project.
** Copyright (c) 2009-2018 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 Base of the pretty-printer interface
**
** Base of the pretty-printer interface.
**/
#include "cvc4_private.h"
#ifndef __CVC4__PRINTER__PRINTER_H
#define __CVC4__PRINTER__PRINTER_H
#include <map>
#include <string>
#include "expr/node.h"
#include "options/language.h"
#include "smt/command.h"
#include "smt/model.h"
#include "util/sexpr.h"
namespace CVC4 {
class Printer
{
public:
/**
* Since the printers are managed as unique_ptr, we need public acces to
* the virtual destructor.
*/
virtual ~Printer() {}
/** Get the Printer for a given OutputLanguage */
static Printer* getPrinter(OutputLanguage lang);
/** Write a Node out to a stream with this Printer. */
virtual void toStream(std::ostream& out,
TNode n,
int toDepth,
bool types,
size_t dag) const = 0;
/** Write a Command out to a stream with this Printer. */
virtual void toStream(std::ostream& out,
const Command* c,
int toDepth,
bool types,
size_t dag) const = 0;
/** Write a CommandStatus out to a stream with this Printer. */
virtual void toStream(std::ostream& out, const CommandStatus* s) const = 0;
/** Write a Model out to a stream with this Printer. */
virtual void toStream(std::ostream& out, const Model& m) const;
/** Write an UnsatCore out to a stream with this Printer. */
virtual void toStream(std::ostream& out, const UnsatCore& core) const;
/**
* Write the term that sygus datatype term n
* encodes to a stream with this Printer.
* For example, consider the datatype term
* (C_plus (C_minus C_x C_0) C_y)
* where C_plus, C_minus, C_x, C_0, C_y are constructors
* whose sygus operators are PLUS, MINUS, x, 0, y.
* In this case, this method is equivalent to printing
* the integer term:
* (PLUS (MINUS x 0) y)
* This method may make calls to sygus printing callback
* methods stored in sygus datatype constructors.
*/
virtual void toStreamSygus(std::ostream& out, TNode n) const;
protected:
/** Derived classes can construct, but no one else. */
Printer() {}
/** write model response to command */
virtual void toStream(std::ostream& out,
const Model& m,
const Command* c) const = 0;
/** write model response to command using another language printer */
void toStreamUsing(OutputLanguage lang,
std::ostream& out,
const Model& m,
const Command* c) const
{
getPrinter(lang)->toStream(out, m, c);
}
private:
/** Disallow copy, assignment */
Printer(const Printer&) CVC4_UNDEFINED;
Printer& operator=(const Printer&) CVC4_UNDEFINED;
/** Make a Printer for a given OutputLanguage */
static std::unique_ptr<Printer> makePrinter(OutputLanguage lang);
/** Printers for each OutputLanguage */
static std::unique_ptr<Printer> d_printers[language::output::LANG_MAX];
}; /* class Printer */
} // namespace CVC4
#endif /* __CVC4__PRINTER__PRINTER_H */
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