Squashed merge of SygusComp 2015 branch.

1 files changed, 59 insertions, 0 deletions

diff --git a/src/theory/quantifiers/fun_def_engine.h b/src/theory/quantifiers/fun_def_engine.h
new file mode 100644
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--- /dev/null
+++ b/src/theory/quantifiers/fun_def_engine.h
@@ -0,0 +1,59 @@
+/*********************                                                        */
+/*! \file fun_def_engine.h
+ ** \verbatim
+ ** Original author: Andrew Reynolds
+ ** Major contributors: none
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2014  New York University and The University of Iowa
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.\endverbatim
+ **
+ ** \brief Specialized techniques for (recursively) defined functions
+ **/
+
+#include "cvc4_private.h"
+
+#ifndef __CVC4__QUANTIFIERS_FUN_DEF_ENGINE_H
+#define __CVC4__QUANTIFIERS_FUN_DEF_ENGINE_H
+
+#include <iostream>
+#include <string>
+#include <vector>
+#include <map>
+#include "expr/node.h"
+#include "expr/type_node.h"
+#include "theory/quantifiers_engine.h"
+
+namespace CVC4 {
+namespace theory {
+namespace quantifiers {
+
+//module for handling (recursively) defined functions
+class FunDefEngine : public QuantifiersModule {
+private:
+
+public:
+  FunDefEngine( QuantifiersEngine * qe, context::Context* c );
+  ~FunDefEngine(){}
+
+  /* whether this module needs to check this round */
+  bool needsCheck( Theory::Effort e );
+  /* reset at a round */
+  void reset_round( Theory::Effort e );
+  /* Call during quantifier engine's check */
+  void check( Theory::Effort e, unsigned quant_e );
+  /* Called for new quantifiers */
+  void registerQuantifier( Node q );
+  /** called for everything that gets asserted */
+  void assertNode( Node n );
+  /** Identify this module (for debugging, dynamic configuration, etc..) */
+  std::string identify() const { return "FunDefEngine"; }
+};
+
+
+}
+}
+}
+
+#endif