Merge branch 'master' into lfscTestslfscTests

1 files changed, 49 insertions, 0 deletions

diff --git a/src/theory/quantifiers/proof_checker.h b/src/theory/quantifiers/proof_checker.h
new file mode 100644
index 000000000..1e107e6bb
--- /dev/null
+++ b/src/theory/quantifiers/proof_checker.h
@@ -0,0 +1,49 @@
+/*********************                                                        */
+/*! \file proof_checker.h
+ ** \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 Quantifiers proof checker utility
+ **/
+
+#include "cvc4_private.h"
+
+#ifndef CVC4__THEORY__QUANTIFIERS__PROOF_CHECKER_H
+#define CVC4__THEORY__QUANTIFIERS__PROOF_CHECKER_H
+
+#include "expr/node.h"
+#include "expr/proof_checker.h"
+#include "expr/proof_node.h"
+
+namespace CVC4 {
+namespace theory {
+namespace quantifiers {
+
+/** A checker for quantifiers proofs */
+class QuantifiersProofRuleChecker : public ProofRuleChecker
+{
+ public:
+  QuantifiersProofRuleChecker() {}
+  ~QuantifiersProofRuleChecker() {}
+
+  /** Register all rules owned by this rule checker into pc. */
+  void registerTo(ProofChecker* pc) override;
+
+ protected:
+  /** Return the conclusion of the given proof step, or null if it is invalid */
+  Node checkInternal(PfRule id,
+                     const std::vector<Node>& children,
+                     const std::vector<Node>& args) override;
+};
+
+}  // namespace quantifiers
+}  // namespace theory
+}  // namespace CVC4
+
+#endif /* CVC4__THEORY__QUANTIFIERS__PROOF_CHECKER_H */