src/main/interactive_shell.h

   1 /*********************                                                        */
   2 /*! \file interactive_shell.h
   3  ** \verbatim
   4  ** Original author: cconway
   5  ** Major contributors: mdeters
   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 Interactive shell for CVC4
  15  **/
  16
  17 #ifndef __CVC4__INTERACTIVE_SHELL_H
  18 #define __CVC4__INTERACTIVE_SHELL_H
  19
  20 #include <iostream>
  21 #include <string>
  22
  23 #include "util/language.h"
  24
  25 namespace CVC4 {
  26
  27 class Command;
  28 class ExprManager;
  29 class Options;
  30
  31 namespace parser {
  32   class Parser;
  33 }/* CVC4::parser namespace */
  34
  35 class CVC4_PUBLIC InteractiveShell {
  36   std::istream& d_in;
  37   std::ostream& d_out;
  38   parser::Parser* d_parser;
  39   const InputLanguage d_language;
  40   bool d_quit;
  41   bool d_usingReadline;
  42
  43   static const std::string INPUT_FILENAME;
  44
  45 public:
  46   InteractiveShell(ExprManager& exprManager, const Options& options);
  47
  48   /**
  49    * Read a command from the interactive shell. This will read as
  50    * many lines as necessary to parse a well-formed command.
  51    */
  52   Command* readCommand();
  53
  54   /**
  55    * Return the internal parser being used.
  56    */
  57   parser::Parser* getParser() {
  58     return d_parser;
  59   }
  60
  61 };/* class InteractiveShell */
  62
  63 }/* CVC4 namespace */
  64
  65 #endif /* __CVC4__INTERACTIVE_SHELL_H */
  66