src/printer/printer.h

   1 /*********************                                                        */
   2 /*! \file printer.h
   3  ** \verbatim
   4  ** Original author: mdeters
   5  ** Major contributors: none
   6  ** Minor contributors (to current version): none
   7  ** This file is part of the CVC4 prototype.
   8  ** Copyright (c) 2009, 2010, 2011  The Analysis of Computer Systems Group (ACSys)
   9  ** Courant Institute of Mathematical Sciences
  10  ** New York University
  11  ** See the file COPYING in the top-level source directory for licensing
  12  ** information.\endverbatim
  13  **
  14  ** \brief Base of the pretty-printer interface
  15  **
  16  ** Base of the pretty-printer interface.
  17  **/
  18
  19 #include "cvc4_private.h"
  20
  21 #ifndef __CVC4__PRINTER__PRINTER_H
  22 #define __CVC4__PRINTER__PRINTER_H
  23
  24 #include "util/language.h"
  25 #include "expr/node.h"
  26 #include "expr/command.h"
  27
  28 namespace CVC4 {
  29
  30 class Printer {
  31   /** Printers for each OutputLanguage */
  32   static Printer* d_printers[language::output::LANG_MAX];
  33
  34   /** Make a Printer for a given OutputLanguage */
  35   static Printer* makePrinter(OutputLanguage lang);
  36
  37 public:
  38   /** Get the Printer for a given OutputLanguage */
  39   static Printer* getPrinter(OutputLanguage lang) {
  40     if(d_printers[lang] == NULL) {
  41       d_printers[lang] = makePrinter(lang);
  42     }
  43     return d_printers[lang];
  44   }
  45
  46   /** Write a Node out to a stream with this Printer. */
  47   virtual void toStream(std::ostream& out, TNode n,
  48                         int toDepth, bool types) const = 0;
  49
  50   /** Write a Command out to a stream with this Printer. */
  51   virtual void toStream(std::ostream& out, const Command* c,
  52                         int toDepth, bool types) const = 0;
  53 };/* class Printer */
  54
  55 }/* CVC4 namespace */
  56
  57 #endif /* __CVC4__PRINTER__PRINTER_H */
  58