Fix the generated C# for a case with 2 template args

When a template with 2 args and a method with a dependent pointer was specialized with const char*, there were methods with identical signatures generated for different specializations.

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

src/Generator/Generators/CSharp/CSharpTypePrinter.cs

@@ -594,8 +594,9 @@ namespace CppSharp.Generators.CSharp
             if (a.Type.Type == null)
                 return a.Integral.ToString(CultureInfo.InvariantCulture);
             var type = a.Type.Type.Desugar();
-            return type.IsPointerToPrimitiveType() ? IntPtrType :
+            return type.IsPointerToPrimitiveType() && !type.IsConstCharString() ?
-                type.IsPrimitiveType(PrimitiveType.Void) ? "object" : type.Visit(this).Type;
+                IntPtrType : type.IsPrimitiveType(PrimitiveType.Void) ? "object" :
+                type.Visit(this).Type;
         }
 
         public override TypePrinterResult VisitParameterDecl(Parameter parameter)

tests/CSharp/CSharpTemplates.cpp

@@ -120,7 +120,8 @@ void TemplateSpecializer::completeSpecializationInParameter(DependentValueFields
 
 void TemplateSpecializer::completeSpecializationInParameter(TwoTemplateArgs<int *, int *> p1,
                                                             TwoTemplateArgs<int *, int> p2,
-                                                            TwoTemplateArgs<int *, float> p3)
+                                                            TwoTemplateArgs<int *, float> p3,
+                                                            TwoTemplateArgs<const char *, int> p4)
 {
 }
 

tests/CSharp/CSharpTemplates.h

@@ -268,6 +268,8 @@ T DependentPointerFields<T>::takeField(T t)
 template <typename K, typename V>
 class TwoTemplateArgs
 {
+public:
+    void takeDependentPtrToSecondTemplateArg(const V& v);
 private:
     K key;
     V value;
@@ -534,7 +536,8 @@ public:
                                            DependentValueFields<float*> p3);
     void completeSpecializationInParameter(TwoTemplateArgs<int*, int*> p1,
                                            TwoTemplateArgs<int*, int> p2,
-                                           TwoTemplateArgs<int*, float> p3);
+                                           TwoTemplateArgs<int*, float> p3,
+                                           TwoTemplateArgs<const char*, int> p4);
     VirtualTemplate<void> returnSpecializedWithVoid();
 private:
     IndependentFields<int> independentFields;