Restore missing variable setters for types containing non-assignable static members

A struct/class that contains a non-assignable member variable is
actually assignable itself. Only non-static members, not static members,
contribute to the containing class being non-assignable.

Recent regression fix from a few commits back.

Examples/test-suite/assign_reference.i

@@ -121,4 +121,10 @@ MemberPrivateVar StaticMembersMemberVars::StaticMemberPrivate;
 MemberPublicVar GlobalMemberPublic;
 MemberProtectedVar GlobalMemberProtected;
 MemberPrivateVar GlobalMemberPrivate;
+
+// Setters and getters available
+struct StaticMembersMemberVarsHolder {
+    StaticMembersMemberVars Member;
+};
+StaticMembersMemberVars GlobalStaticMembersMemberVars;
 %}

Examples/test-suite/cpp11_assign_delete.i

@@ -113,4 +113,10 @@ MemberPrivateVar StaticMembersMemberVars::StaticMemberPrivate;
 MemberPublicVar GlobalMemberPublic;
 MemberProtectedVar GlobalMemberProtected;
 MemberPrivateVar GlobalMemberPrivate;
+
+// Setters and getters available
+struct StaticMembersMemberVarsHolder {
+    StaticMembersMemberVars Member;
+};
+StaticMembersMemberVars GlobalStaticMembersMemberVars;
 %}

Examples/test-suite/cpp11_assign_rvalue_reference.i

@@ -121,4 +121,10 @@ MemberPrivateVar StaticMembersMemberVars::StaticMemberPrivate;
 MemberPublicVar GlobalMemberPublic;
 MemberProtectedVar GlobalMemberProtected;
 MemberPrivateVar GlobalMemberPrivate;
+
+// Setters and getters available
+struct StaticMembersMemberVarsHolder {
+    StaticMembersMemberVars Member;
+};
+StaticMembersMemberVars GlobalStaticMembersMemberVars;
 %}

Examples/test-suite/java/assign_reference_runme.java

@@ -77,5 +77,13 @@ public class assign_reference_runme {
     MemberPublicVar gmpv1 = assign_reference.getGlobalMemberPublic();
     MemberProtectedVar gmpv2 = assign_reference.getGlobalMemberProtected();
     MemberPrivateVar gmpv3 = assign_reference.getGlobalMemberPrivate();
+
+    // Setters and getters available
+    StaticMembersMemberVarsHolder smmvh = new StaticMembersMemberVarsHolder();
+    StaticMembersMemberVars member = smmvh.getMember();
+    smmvh.setMember(member);
+
+    StaticMembersMemberVars smmv = assign_reference.getGlobalStaticMembersMemberVars();
+    assign_reference.setGlobalStaticMembersMemberVars(smmv);
   }
 }

Examples/test-suite/java/cpp11_assign_delete_runme.java

@@ -73,5 +73,13 @@ public class cpp11_assign_delete_runme {
     MemberPublicVar gmpv1 = cpp11_assign_delete.getGlobalMemberPublic();
     MemberProtectedVar gmpv2 = cpp11_assign_delete.getGlobalMemberProtected();
     MemberPrivateVar gmpv3 = cpp11_assign_delete.getGlobalMemberPrivate();
+
+    // Setters and getters available
+    StaticMembersMemberVarsHolder smmvh = new StaticMembersMemberVarsHolder();
+    StaticMembersMemberVars member = smmvh.getMember();
+    smmvh.setMember(member);
+
+    StaticMembersMemberVars smmv = cpp11_assign_delete.getGlobalStaticMembersMemberVars();
+    cpp11_assign_delete.setGlobalStaticMembersMemberVars(smmv);
   }
 }

Examples/test-suite/java/cpp11_assign_rvalue_reference_runme.java

@@ -77,5 +77,13 @@ public class cpp11_assign_rvalue_reference_runme {
     MemberPublicVar gmpv1 = cpp11_assign_rvalue_reference.getGlobalMemberPublic();
     MemberProtectedVar gmpv2 = cpp11_assign_rvalue_reference.getGlobalMemberProtected();
     MemberPrivateVar gmpv3 = cpp11_assign_rvalue_reference.getGlobalMemberPrivate();
+
+    // Setters and getters available
+    StaticMembersMemberVarsHolder smmvh = new StaticMembersMemberVarsHolder();
+    StaticMembersMemberVars member = smmvh.getMember();
+    smmvh.setMember(member);
+
+    StaticMembersMemberVars smmv = cpp11_assign_rvalue_reference.getGlobalStaticMembersMemberVars();
+    cpp11_assign_rvalue_reference.setGlobalStaticMembersMemberVars(smmv);
   }
 }

Source/Modules/allocate.cxx

@@ -667,7 +667,7 @@ class Allocate:public Dispatcher {
     }
   }
 
-  bool is_assignable(Node *n, bool& is_reference) {
+  bool is_assignable(Node *n, bool &is_reference) {
     bool assignable = true;
     SwigType *ty = Copy(Getattr(n, "type"));
     SwigType_push(ty, Getattr(n, "decl"));
@@ -1150,7 +1150,8 @@ Allocate():
       /* Check to see if this is a static member or not.  If so, we add an attribute
          cplus:staticbase that saves the current class */
 
-      if (Swig_storage_isstatic(n)) {
+      int is_static = Swig_storage_isstatic(n);
+      if (is_static) {
 	Setattr(n, "cplus:staticbase", inclass);
       }
 
@@ -1161,8 +1162,10 @@ Allocate():
 	if (!assignable) {
 	  SetFlag(n, "feature:immutable");
 	}
-	if (!assignable || is_reference)
-	  SetFlag(inclass, "allocate:has_nonassignable"); // The class has a variable that cannot be assigned to
+	if (!is_static) {
+	  if (!assignable || is_reference)
+	    SetFlag(inclass, "allocate:has_nonassignable"); // The class has a variable that cannot be assigned to
+	}
       }
 
       String *name = Getattr(n, "name");