Bug-fix for a crash involving improperly-thrown exceptions; also, add LogicException for errors where the user uses a feature not permitted in the current logic (e.g., a quantifier in a QF logic)

1 files changed, 47 insertions, 0 deletions

diff --git a/src/smt/logic_exception.h b/src/smt/logic_exception.h
new file mode 100644
index 000000000..c2827249d
--- /dev/null
+++ b/src/smt/logic_exception.h
@@ -0,0 +1,47 @@
+/*********************                                                        */
+/*! \file logic_exception.h
+ ** \verbatim
+ ** Original author: mdeters
+ ** Major contributors: none
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 prototype.
+ ** Copyright (c) 2009-2012  New York University and The University of Iowa
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.\endverbatim
+ **
+ ** \brief An exception that is thrown when a feature is used outside
+ ** the logic that CVC4 is currently using
+ **
+ ** \brief An exception that is thrown when a feature is used outside
+ ** the logic that CVC4 is currently using (for example, a quantifier
+ ** is used while running in a quantifier-free logic).
+ **/
+
+#include "cvc4_public.h"
+
+#ifndef __CVC4__SMT__LOGIC_EXCEPTION_H
+#define __CVC4__SMT__LOGIC_EXCEPTION_H
+
+#include "util/exception.h"
+
+namespace CVC4 {
+
+class CVC4_PUBLIC LogicException : public CVC4::Exception {
+public:
+  LogicException() :
+    Exception("Feature used while operating in "
+              "incorrect state") {
+  }
+
+  LogicException(const std::string& msg) :
+    Exception(msg) {
+  }
+
+  LogicException(const char* msg) :
+    Exception(msg) {
+  }
+};/* class LogicException */
+
+}/* CVC4 namespace */
+
+#endif /* __CVC4__SMT__LOGIC_EXCEPTION_H */