src/preprocessing/preprocessing_pass_context.cpp

   1 /*********************                                                        */
   2 /*! \file preprocessing_pass_context.cpp
   3  ** \verbatim
   4  ** Top contributors (to current version):
   5  **   Aina Niemetz, Mathias Preiner, Andrew Reynolds
   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 The preprocessing pass context for passes
  13  **
  14  ** The preprocessing pass context for passes.
  15  **/
  16
  17 #include "preprocessing_pass_context.h"
  18
  19 #include "expr/node_algorithm.h"
  20
  21 namespace CVC4 {
  22 namespace preprocessing {
  23
  24 PreprocessingPassContext::PreprocessingPassContext(
  25     SmtEngine* smt,
  26     RemoveTermFormulas* iteRemover,
  27     theory::booleans::CircuitPropagator* circuitPropagator)
  28     : d_smt(smt),
  29       d_resourceManager(smt->getResourceManager()),
  30       d_iteRemover(iteRemover),
  31       d_topLevelSubstitutions(smt->getUserContext()),
  32       d_circuitPropagator(circuitPropagator),
  33       d_symsInAssertions(smt->getUserContext())
  34 {
  35 }
  36
  37 void PreprocessingPassContext::widenLogic(theory::TheoryId id)
  38 {
  39   LogicRequest req(*d_smt);
  40   req.widenLogic(id);
  41 }
  42
  43 void PreprocessingPassContext::enableIntegers()
  44 {
  45   LogicRequest req(*d_smt);
  46   req.enableIntegers();
  47 }
  48
  49 void PreprocessingPassContext::recordSymbolsInAssertions(
  50     const std::vector<Node>& assertions)
  51 {
  52   std::unordered_set<TNode, TNodeHashFunction> visited;
  53   std::unordered_set<Node, NodeHashFunction> syms;
  54   for (TNode cn : assertions)
  55   {
  56     expr::getSymbols(cn, syms, visited);
  57   }
  58   for (const Node& s : syms)
  59   {
  60     d_symsInAssertions.insert(s);
  61   }
  62 }
  63
  64 }  // namespace preprocessing
  65 }  // namespace CVC4