add %delobject, which is the equivalent of %newobject but for functions that delete an element. This allows to properly disown the argument, as the %newobject directive allows to 'own' the object

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@8318 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Source/Modules/lang.cxx

@@ -918,6 +918,10 @@ int
 Language::functionHandler(Node *n) {
   Parm *p;
   p = Getattr(n,"parms");
+  if (GetFlag(n,"feature:del")) {
+    /* the method acts like a delete operator, ie, we need to disown the parameter */
+    if (p) Setattr(p,"wrap:disown","1");
+  }
   if (!CurrentClass) {
     globalfunctionHandler(n);
   } else {