finishing the first stage of the typemap unification scheme, fixing issues with gcc and valgrind

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7692 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Lib/typemaps/exception.swg

@@ -0,0 +1,9 @@
+// This SWIG library file provides language independent exception handling
+%include <typemaps/swigmacros.swg>
+
+%insert("runtime") {
+
+  SWIG_define(SWIG_exception(code, msg),        SWIG_block(SWIG_error(code, msg); SWIG_fail))
+  SWIG_define(SWIG_contract_assert(expr, msg),  if (!(expr)) { SWIG_error(SWIG_RuntimeError, msg); SWIG_fail; } else)
+
+}