squash-merge from proof branch

1 files changed, 42 insertions, 0 deletions

diff --git a/src/proof/skolemization_manager.h b/src/proof/skolemization_manager.h
new file mode 100644
index 000000000..649f0bf40
--- /dev/null
+++ b/src/proof/skolemization_manager.h
@@ -0,0 +1,42 @@
+/*********************                                                        */
+/*! \file skolemization_manager.h
+ **/
+
+#include "cvc4_private.h"
+
+#ifndef __CVC4__SKOLEMIZATION_MANAGER_H
+#define __CVC4__SKOLEMIZATION_MANAGER_H
+
+#include <iostream>
+#include <map>
+#include "proof/proof.h"
+#include "util/proof.h"
+#include "expr/node.h"
+#include "theory/logic_info.h"
+#include "theory/substitutions.h"
+
+namespace CVC4 {
+
+class SkolemizationManager {
+public:
+  void registerSkolem(Node disequality, Node skolem);
+  bool hasSkolem(Node disequality);
+  Node getSkolem(Node disequality);
+  Node getDisequality(Node skolem);
+  bool isSkolem(Node skolem);
+
+  void clear();
+
+  std::hash_map<Node, Node, NodeHashFunction>::const_iterator begin();
+  std::hash_map<Node, Node, NodeHashFunction>::const_iterator end();
+
+private:
+  std::hash_map<Node, Node, NodeHashFunction> d_disequalityToSkolem;
+  std::hash_map<Node, Node, NodeHashFunction> d_skolemToDisequality;
+};
+
+}/* CVC4 namespace */
+
+
+
+#endif /* __CVC4__SKOLEMIZATION_MANAGER_H */