Minor adjustments to the Registrar commit in 1644, documentation.

1 files changed, 29 insertions, 10 deletions

diff --git a/src/theory/registrar.h b/src/theory/registrar.h
index ce3a301d7..19315827e 100644
--- a/src/theory/registrar.h
+++ b/src/theory/registrar.h
@@ -1,7 +1,30 @@
+/*********************                                                        */
+/*! \file registrar.h
+ ** \verbatim
+ ** Original author: taking
+ ** Major contributors: mdeters
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 prototype.
+ ** Copyright (c) 2009, 2010, 2011  The Analysis of Computer Systems Group (ACSys)
+ ** Courant Institute of Mathematical Sciences
+ ** New York University
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.\endverbatim
+ **
+ ** \brief Class to encapsulate preregistration duties
+ **
+ ** Class to encapsulate preregistration duties.  This class permits the
+ ** CNF stream implementation to reach into the theory engine to
+ ** preregister only those terms with an associated SAT literal (at the
+ ** point when they get the SAT literal), without having to refer to the
+ ** TheoryEngine class directly.
+ **/
+
 #include "cvc4_private.h"
 
-#ifndef __CVC4__THEORY_REGISTRAR_H
-#define __CVC4__THEORY_REGISTRAR_H
+#ifndef __CVC4__THEORY__REGISTRAR_H
+#define __CVC4__THEORY__REGISTRAR_H
+
 #include "theory/theory_engine.h"
 
 namespace CVC4 {
@@ -12,20 +35,16 @@ private:
   TheoryEngine* d_theoryEngine;
 
 public:
-  Registrar() : d_theoryEngine(NULL){ }
 
-  Registrar(TheoryEngine* te) : d_theoryEngine(te){ }
+  Registrar(TheoryEngine* te) : d_theoryEngine(te) { }
 
-  void preRegister(Node n){
-    if(d_theoryEngine != NULL){
-      d_theoryEngine->preRegister(n);
-    }
+  void preRegister(Node n) {
+    d_theoryEngine->preRegister(n);
   }
 
 };/* class Registrar */
 
-
 }/* CVC4::theory namespace */
 }/* CVC4 namespace */
 
-#endif /* __CVC4__THEORY_REGISTRAR_H */
+#endif /* __CVC4__THEORY__REGISTRAR_H */