fixed out-of-scope nested class definitions, added a test

enabled nested C structs assignment (still disabled for Octave), added Java runtime test
fixed nested_private test case for Java & C#

Examples/test-suite/common.mk

@@ -84,7 +84,6 @@ CPP_TEST_BROKEN += \
 	extend_variable \
 	li_std_vector_ptr \
 	li_boost_shared_ptr_template \
-	nested_private \
 	overload_complicated \
 	template_default_pointer \
 	template_expr \
@@ -279,6 +278,8 @@ CPP_TEST_CASES += \
 	naturalvar_more \
 	nested_class \
 	nested_comment \
+	nested_private \
+	nested_scope \
 	nested_workaround \
 	newobject1 \
 	null_pointer \

Examples/test-suite/java/nested_structs_runme.java

@@ -33,5 +33,12 @@ public class nested_structs_runme {
     if (inside2.getVal() != 200) throw new RuntimeException("failed inside2");
     if (inside3.getVal() != 200) throw new RuntimeException("failed inside3");
     if (inside4.getVal() != 400) throw new RuntimeException("failed inside4");
+		
+		outer.getInner1().setVal(11);
+    if (inner1.getVal() != 11) throw new RuntimeException("failed inner1 assignment");
+		Named named = new Named();
+		named.setVal(22);
+		outer.setInside2(named);
+		if (outer.getInside2().getVal() != 22) throw new RuntimeException("failed inside2 assignment");
   }
 }

Examples/test-suite/nested_scope.i

@@ -0,0 +1,14 @@
+%module nested_scope
+
+%inline %{
+namespace ns {
+	struct Global {
+		struct Outer {
+			struct Nested;
+		};
+		struct Outer::Nested {
+			int data;
+		} instance;
+	};
+}
+%}

Source/CParse/parser.y

@@ -3387,6 +3387,8 @@ cpp_class_decl  : storage_class cpptype idcolon inherit LBRACE {
 		  
 		   /* If the class name is qualified.  We need to create or lookup namespace/scope entries */
 		   scope = resolve_create_node_scope($3);
+		   /* save nscope_inner to the class - it may be overwritten in nested classes*/
+		   Setattr($<node>$, "nested:innerscope", nscope_inner);
 		   Setfile(scope,cparse_file);
 		   Setline(scope,cparse_line);
 		   $3 = scope;
@@ -3462,6 +3464,10 @@ cpp_class_decl  : storage_class cpptype idcolon inherit LBRACE {
 		   (void) $<node>6;
 		   $$ = currentOuterClass;
 		   currentOuterClass = Getattr($$, "nested:outer");
+		   nscope_inner = Getattr($<node>$, "nested:innerscope");
+		   Delattr($<node>$, "nested:innerscope");
+		   if (nscope_inner) /*actual parent class for this class*/
+		     Setattr($$, "nested:outer", nscope_inner);
 		   if (!currentOuterClass)
 		     inclass = 0;
 		   cscope = Getattr($$, "prev_symtab");
@@ -3490,14 +3496,16 @@ cpp_class_decl  : storage_class cpptype idcolon inherit LBRACE {
 		   if (am) append_previous_extension($$,am);
 
 		   p = $9;
-		   if (p) {
+		   if (p && !nscope_inner) {
 		     if (!cparse_cplusplus && currentOuterClass)
 		       appendChild(currentOuterClass, p);
 		     else
 		      appendSibling($$, p);
 		   }
 		   
-		   if (cparse_cplusplus && !cparse_externc) {
+		   if (nscope_inner) {
+		     ty = NewString(scpname); /* if the class is declared out of scope, let the declarator use fully qualified type*/
+		   } else if (cparse_cplusplus && !cparse_externc) {
 		     ty = NewString($3);
 		   } else {
 		     ty = NewStringf("%s %s", $2,$3);
@@ -3505,7 +3513,7 @@ cpp_class_decl  : storage_class cpptype idcolon inherit LBRACE {
 		   while (p) {
 		     Setattr(p,"storage",$1);
 		     Setattr(p,"type",ty);
-		     if (!cparse_cplusplus) {
+		     if (!cparse_cplusplus && currentOuterClass && (!Getattr(currentOuterClass, "name") || CPlusPlusOut)) {
 		       SetFlag(p,"hasconsttype");
 		       SetFlag(p,"feature:immutable");
 		     }
@@ -3539,12 +3547,13 @@ cpp_class_decl  : storage_class cpptype idcolon inherit LBRACE {
 		     Delete(Namespaceprefix);
 		     Namespaceprefix = Swig_symbol_qualifiedscopename(0);
 		     add_symbols($$);
-		     if (nscope) $$ = nscope;
 		     /* but the variable definition in the current scope */
 		     Swig_symbol_setscope(cscope);
 		     Delete(Namespaceprefix);
 		     Namespaceprefix = Swig_symbol_qualifiedscopename(0);
 		     add_symbols($9);
+		     nscope_inner = 0;
+		     $$ = $9;
 		   } else {
 		     Delete(yyrename);
 		     yyrename = 0;
@@ -3657,7 +3666,7 @@ cpp_class_decl  : storage_class cpptype idcolon inherit LBRACE {
 		   while (n) {
 		     Setattr(n,"storage",$1);
 		     Setattr(n, "type", ty);
-		     if (!cparse_cplusplus) {
+		     if (!cparse_cplusplus && currentOuterClass && (!Getattr(currentOuterClass, "name") || CPlusPlusOut)) {
 		       SetFlag(n,"hasconsttype");
 		       SetFlag(n,"feature:immutable");
 		     }

Source/Modules/csharp.cxx

@@ -182,7 +182,7 @@ public:
 	 if (!proxyname) {
 	   String *nspace = Getattr(n, "sym:nspace");
 	   String *symname = Copy(Getattr(n, "sym:name"));
-	   if (!GetFlag(n, "feature:flatnested")) {
+	   if (symname && !GetFlag(n, "feature:flatnested")) {
 	     for (Node *outer_class = Getattr(n, "nested:outer"); outer_class; outer_class = Getattr(outer_class, "nested:outer")) {
 	       Push(symname, ".");
 	       Push(symname, Getattr(outer_class, "sym:name"));

Source/Modules/java.cxx

@@ -209,7 +209,7 @@ public:
 	 if (!proxyname || jnidescriptor) {
 	   String *nspace = Getattr(n, "sym:nspace");
 	   String *symname = Copy(Getattr(n, "sym:name"));
-	   if (!GetFlag(n, "feature:flatnested")) {
+	   if (symname && !GetFlag(n, "feature:flatnested")) {
 	     for (Node *outer_class = Getattr(n, "nested:outer"); outer_class; outer_class = Getattr(outer_class, "nested:outer")) {
 	       Push(symname, ".");
 	       Push(symname, Getattr(outer_class, "sym:name"));