src/expr/variable_type_map.h

   1 /*********************                                                        */
   2 /*! \file variable_type_map.h
   3  ** \verbatim
   4  ** Original author: Morgan Deters
   5  ** Major contributors: none
   6  ** Minor contributors (to current version): none
   7  ** This file is part of the CVC4 project.
   8  ** Copyright (c) 2009-2014  New York University and The University of Iowa
   9  ** See the file COPYING in the top-level source directory for licensing
  10  ** information.\endverbatim
  11  **
  12  ** \brief [[ Add one-line brief description here ]]
  13  **
  14  ** [[ Add lengthier description here ]]
  15  ** \todo document this file
  16  **/
  17
  18 #include "cvc4_public.h"
  19
  20 #ifndef __CVC4__VARIABLE_TYPE_MAP_H
  21 #define __CVC4__VARIABLE_TYPE_MAP_H
  22
  23 #include "expr/expr.h"
  24 #include "util/hash.h"
  25
  26 namespace CVC4 {
  27
  28 class Expr;
  29 struct ExprHashFunction;
  30 class Type;
  31 struct TypeHashFunction;
  32
  33 class CVC4_PUBLIC VariableTypeMap {
  34   /**
  35    * A map Expr -> Expr, intended to be used for a mapping of variables
  36    * between two ExprManagers.
  37    */
  38   std::hash_map<Expr, Expr, ExprHashFunction> d_variables;
  39
  40   /**
  41    * A map Type -> Type, intended to be used for a mapping of types
  42    * between two ExprManagers.
  43    */
  44   std::hash_map<Type, Type, TypeHashFunction> d_types;
  45
  46 public:
  47   Expr& operator[](Expr e) { return d_variables[e]; }
  48   Type& operator[](Type t) { return d_types[t]; }
  49
  50 };/* class VariableTypeMap */
  51
  52 typedef __gnu_cxx::hash_map<uint64_t, uint64_t> VarMap;
  53
  54 struct CVC4_PUBLIC ExprManagerMapCollection {
  55   VariableTypeMap d_typeMap;
  56   VarMap d_to;
  57   VarMap d_from;
  58 };/* struct ExprManagerMapCollection */
  59
  60 }/* CVC4 namespace */
  61
  62 #endif /* __CVC4__VARIABLE_MAP_H */