updated regex directory structure

[SVN r9765]

include/boost/regex/pattern_except.hpp

@@ -0,0 +1,61 @@
+/*
+ *
+ * Copyright (c) 1998-2000
+ * Dr John Maddock
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Dr John Maddock makes no representations
+ * about the suitability of this software for any purpose.  
+ * It is provided "as is" without express or implied warranty.
+ *
+ */
+ 
+ /*
+  *   LOCATION:    see http://www.boost.org for most recent version.
+  *   FILE         pattern_except.cpp
+  *   VERSION      3.01
+  *   DESCRIPTION: Declares pattern-matching exception classes.
+  */
+
+#ifndef BOOST_RE_PAT_EXCEPT_HPP
+#define BOOST_RE_PAT_EXCEPT_HPP
+
+#include <boost/regex/detail/regex_config.hpp>
+
+namespace boost{
+
+#ifdef __BORLANDC__
+   #if __BORLANDC__ == 0x530
+    #pragma option push -a4 -b -Ve
+   #elif __BORLANDC__ > 0x530
+    #pragma option push -a8 -b -Ve
+   #endif
+#endif
+
+class BOOST_RE_IX_DECL bad_pattern : public std::runtime_error
+{
+public:
+   explicit bad_pattern(const std::string& s) : std::runtime_error(s){};
+   ~bad_pattern() throw();
+};
+
+class BOOST_RE_IX_DECL bad_expression : public bad_pattern
+{
+public:
+   explicit bad_expression(const std::string& s) : bad_pattern(s) {}
+   ~bad_expression() throw();
+};
+
+
+#ifdef __BORLANDC__
+ #if __BORLANDC__ > 0x520
+  #pragma option pop
+ #endif
+#endif
+
+} // namespace boost
+
+#endif