Use symbol manager for unsat cores (#5468)

This PR uses the symbol manager for handling names for unsat cores.

This replaces interfaces in SmtEngine for managing expression names. It removes the SetExpressionName command.

1 files changed, 0 insertions, 39 deletions

diff --git a/src/smt/expr_names.cpp b/src/smt/expr_names.cpp
deleted file mode 100644
index ccced2cac..000000000
--- a/src/smt/expr_names.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-/*********************                                                        */
-/*! \file expr_names.cpp
- ** \verbatim
- ** Top contributors (to current version):
- **   Andrew Reynolds
- ** This file is part of the CVC4 project.
- ** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
- ** in the top-level source directory and their institutional affiliations.
- ** All rights reserved.  See the file COPYING in the top-level source
- ** directory for licensing information.\endverbatim
- **
- ** \brief Utility for maintaining expression names.
- **/
-
-#include "smt/expr_names.h"
-
-namespace CVC4 {
-namespace smt {
-
-ExprNames::ExprNames(context::UserContext* u)
-    : d_exprNames(u)
-{
-}
-
-void ExprNames::setExpressionName(const Node& e, const std::string& name) {
-  d_exprNames[e] = name;
-}
-
-bool ExprNames::getExpressionName(const Node& e, std::string& name) const {
-  auto it = d_exprNames.find(e);
-  if(it!=d_exprNames.end()) {
-    name = (*it).second;
-    return true;
-  }
-  return false;
-}
-
-}  // namespace smt
-}  // namespace CVC4