src/smt/listeners.h

   1 /*********************                                                        */
   2 /*! \file listeners.h
   3  ** \verbatim
   4  ** Top contributors (to current version):
   5  **   Andrew Reynolds, Abdalrhman Mohamed, Mathias Preiner
   6  ** This file is part of the CVC4 project.
   7  ** Copyright (c) 2009-2020 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 Listener classes for SMT engine.
  13  **/
  14
  15 #include "cvc4_private.h"
  16
  17 #ifndef CVC4__SMT__LISTENERS_H
  18 #define CVC4__SMT__LISTENERS_H
  19
  20 #include <vector>
  21
  22 #include "base/listener.h"
  23 #include "expr/node.h"
  24
  25 namespace CVC4 {
  26
  27 class OutputManager;
  28 class SmtEngine;
  29
  30 namespace smt {
  31
  32 /** A listener for resource outs */
  33 class ResourceOutListener : public Listener
  34 {
  35  public:
  36   ResourceOutListener(SmtEngine& smt);
  37   /** notify method, interupts SmtEngine */
  38   void notify() override;
  39
  40  private:
  41   /** Reference to the SmtEngine */
  42   SmtEngine& d_smt;
  43 };
  44
  45 class DumpManager;
  46
  47 /**
  48  * A listener for node manager calls, which impacts certain dumping traces.
  49  */
  50 class SmtNodeManagerListener : public NodeManagerListener
  51 {
  52  public:
  53   SmtNodeManagerListener(DumpManager& dm, OutputManager& outMgr);
  54   /** Notify when new sort is created */
  55   void nmNotifyNewSort(TypeNode tn, uint32_t flags) override;
  56   /** Notify when new sort constructor is created */
  57   void nmNotifyNewSortConstructor(TypeNode tn, uint32_t flags) override;
  58   /** Notify when list of datatypes is created */
  59   void nmNotifyNewDatatypes(const std::vector<TypeNode>& dtts,
  60                             uint32_t flags) override;
  61   /** Notify when new variable is created */
  62   void nmNotifyNewVar(TNode n, uint32_t flags) override;
  63   /** Notify when new skolem is created */
  64   void nmNotifyNewSkolem(TNode n,
  65                          const std::string& comment,
  66                          uint32_t flags) override;
  67   /** Notify when a term is deleted */
  68   void nmNotifyDeleteNode(TNode n) override {}
  69
  70  private:
  71   /** Reference to the dump manager of smt engine */
  72   DumpManager& d_dm;
  73   /** Reference to the output manager of the smt engine */
  74   OutputManager& d_outMgr;
  75 };
  76
  77 }  // namespace smt
  78 }  // namespace CVC4
  79
  80 #endif