src/main/interactive_shell.h

   1 /*********************                                                        */
   2 /*! \file interactive_shell.h
   3  ** \verbatim
   4  ** Top contributors (to current version):
   5  **   Morgan Deters, Christopher L. Conway, Aina Niemetz
   6  ** This file is part of the CVC4 project.
   7  ** Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
   8  ** in the top-level source directory and their institutional affiliations.
   9  ** All rights reserved.  See the file COPYING in the top-level source
  10  ** directory for licensing information.\endverbatim
  11  **
  12  ** \brief Interactive shell for CVC4
  13  **/
  14
  15 #ifndef CVC4__INTERACTIVE_SHELL_H
  16 #define CVC4__INTERACTIVE_SHELL_H
  17
  18 #include <iosfwd>
  19 #include <string>
  20
  21 #include "options/language.h"
  22 #include "options/options.h"
  23 #include "util/unsafe_interrupt_exception.h"
  24
  25 namespace cvc5 {
  26
  27 class Command;
  28 class Options;
  29
  30 namespace api {
  31 class Solver;
  32 }
  33
  34 namespace parser {
  35   class Parser;
  36   }  // namespace parser
  37
  38 class SymbolManager;
  39
  40 class InteractiveShell
  41 {
  42   const Options& d_options;
  43   std::istream& d_in;
  44   std::ostream& d_out;
  45   parser::Parser* d_parser;
  46   bool d_quit;
  47   bool d_usingEditline;
  48
  49   std::string d_historyFilename;
  50
  51   static const std::string INPUT_FILENAME;
  52   static const unsigned s_historyLimit = 500;
  53
  54 public:
  55  InteractiveShell(api::Solver* solver, SymbolManager* sm);
  56
  57  /**
  58   * Close out the interactive session.
  59   */
  60  ~InteractiveShell();
  61
  62  /**
  63   * Read a command from the interactive shell. This will read as
  64   * many lines as necessary to parse a well-formed command.
  65   */
  66  Command* readCommand();
  67
  68  /**
  69   * Return the internal parser being used.
  70   */
  71  parser::Parser* getParser() { return d_parser; }
  72
  73 };/* class InteractiveShell */
  74
  75 }  // namespace cvc5
  76
  77 #endif /* CVC4__INTERACTIVE_SHELL_H */