use internal SWIG_exception_fail, let SWIG_exception as in 1.3.27

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8434 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Lib/ruby/exception.i

@@ -1 +1,5 @@
 %include <typemaps/exception.swg>
+
+%insert("runtime") {
+  %define_as(SWIG_exception(code, msg), %block(%error(code, msg);))
+}

Lib/ruby/ruby.swg

@@ -5,8 +5,9 @@
  * ------------------------------------------------------------ */
 
 /* ------------------------------------------------------------
- * The Ruby global rename rules 
+ * The Ruby auto rename rules 
  * ------------------------------------------------------------ */
+#if defined(SWIG_RUBY_AUTORENAME)
 /* Class names are CamelCase */
 %rename("%(camelcase)s", %isclass) ""; 
 
@@ -16,7 +17,8 @@
 
 /* Method names should be changed so that they are 
    lower_case_with_underscores */
-%rename("%(undercase)s", %isfunction, %ismember) ""; 
+%rename("%(undercase)s", %isfunction, %ismember) "";
+#endif
 
 /* ------------------------------------------------------------
  *  Inner macros