src/main/interactive_shell.h

   1 /*********************                                                        */
   2 /*! \file interactive_shell.h
   3  ** \verbatim
   4  ** Original author: cconway
   5  ** Major contributors:
   6  ** Minor contributors (to current version):
   7  ** This file is part of the CVC4 prototype.
   8  ** Copyright (c) 2009, 2010  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 "parser/parser_builder.h"
  24 #include "util/options.h"
  25
  26 namespace CVC4 {
  27
  28   class Command;
  29
  30   using namespace parser;
  31
  32 class CVC4_PUBLIC InteractiveShell {
  33   std::istream& d_in;
  34   std::ostream& d_out;
  35   ParserBuilder d_parserBuilder;
  36   Parser* d_lastParser;
  37
  38 public:
  39   InteractiveShell(ParserBuilder& parserBuilder,
  40                   const Options& options) :
  41     d_in(*options.in),
  42     d_out(*options.out),
  43     d_parserBuilder(parserBuilder),
  44     d_lastParser(NULL) {
  45   }
  46
  47   /** Read a command from the interactive shell. This will read as
  48       many lines as necessary to parse a well-formed command. */
  49   Command *readCommand();
  50 };
  51
  52 } // CVC4 namespace
  53
  54 #endif // __CVC4__INTERACTIVE_SHELL_H