Fix invalid C++/CLI generated for anonymous types

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

Author: ddobrev

src/Generator/Passes/CleanInvalidDeclNamesPass.cs

@@ -4,6 +4,7 @@
 using CppSharp.AST;
 using CppSharp.Generators.CLI;
 using CppSharp.Generators.CSharp;
+using CppSharp.Generators;
 
 namespace CppSharp.Passes
 {
@@ -14,6 +15,13 @@ public override bool VisitClassDecl(Class @class)
             if (!base.VisitClassDecl(@class))
                 return false;
 
+            if (Options.GeneratorKind == GeneratorKind.CLI &&
+                string.IsNullOrEmpty(@class.OriginalName))
+            {
+                @class.ExplicitlyIgnore();
+                return true;
+            }
+
             if (@class.Layout != null)
             {
                 int order = 0;

tests/CSharp/CSharp.h

@@ -1307,72 +1307,6 @@ DLL_API void va_listFunction(va_list v);
 DLL_API char* returnCharPointer();
 DLL_API const char* takeConstCharStarRef(const char*& c);
 
-union
-{
-    struct
-    {
-        struct
-        {
-            long Capabilities;
-        } Server;
-        struct
-        {
-            long Capabilities;
-        } Share;
-    } Smb2;
-} ProtocolSpecific;
-
-struct DLL_API TestNestedTypes
-{
-public:
-    struct
-    {
-        struct
-        {
-        };
-    };
-    struct
-    {
-        struct
-        {
-        };
-    };
-    struct
-    {
-        struct
-        {
-        };
-    };
-    struct
-    {
-        struct
-        {
-        };
-    };
-
-    union as_types
-    {
-        int as_int;
-        struct uchars
-        {
-            unsigned char blue, green, red, alpha;
-        } as_uchar;
-    };
-};
-
-class TestNamingAnonymousTypesInUnion
-{
-public:
-    union {
-        struct {
-        } argb;
-        struct {
-        } ahsv;
-        struct {
-        } acmyk;
-    } ct;
-};
-
 struct {
     struct {
         struct {

tests/Common/Common.h

@@ -822,6 +822,44 @@ class PureDtor
 
 DLL_API void va_listFunction(va_list v);
 
+struct DLL_API TestNestedTypes
+{
+public:
+    struct
+    {
+        struct
+        {
+        };
+    };
+    struct
+    {
+        struct
+        {
+        };
+    };
+    struct
+    {
+        struct
+        {
+        };
+    };
+    struct
+    {
+        struct
+        {
+        };
+    };
+
+    union as_types
+    {
+        int as_int;
+        struct uchars
+        {
+            unsigned char blue, green, red, alpha;
+        } as_uchar;
+    };
+};
+
 class DLL_API HasStdString
 {
 public:
@@ -883,6 +921,19 @@ class DLL_API DifferentConstOverloads
 
 DLL_API bool operator ==(const DifferentConstOverloads& d, const char* s);
 
+class TestNamingAnonymousTypesInUnion
+{
+public:
+    union {
+        struct {
+        } argb;
+        struct {
+        } ahsv;
+        struct {
+        } acmyk;
+    } ct;
+};
+
 class DLL_API RefTypeClassPassTry { };
 
 void DLL_API funcTryRefTypePtrOut(CS_OUT RefTypeClassPassTry* classTry);
@@ -1380,6 +1431,21 @@ inline namespace InlineNamespace
     }
 }
 
+union
+{
+    struct
+    {
+        struct
+        {
+            long Capabilities;
+        } Server;
+        struct
+        {
+            long Capabilities;
+        } Share;
+    } Smb2;
+} ProtocolSpecific;
+
 
 template<class _Other>
 using UsingTemplatePtr = _Other *;