Fixed the internal abstract impls with default params of a pointer type.

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

src/Generator/Driver.cs

@@ -270,14 +270,15 @@ namespace CppSharp
             TranslationUnitPasses.AddPass(new CheckFlagEnumsPass());
             TranslationUnitPasses.AddPass(new CheckDuplicatedNamesPass());
             TranslationUnitPasses.AddPass(new RenameRootNamespacesPass());
-            if (Options.IsCSharpGenerator && Options.GenerateDefaultValuesForArguments)
+            if (Options.IsCSharpGenerator)
+            {
+                TranslationUnitPasses.AddPass(new GenerateAbstractImplementationsPass());
+                if (Options.GenerateDefaultValuesForArguments)
                 {
                     TranslationUnitPasses.AddPass(new HandleDefaultParamValuesPass());
                     TranslationUnitPasses.AddPass(new FixDefaultParamValuesOfOverridesPass());
                 }
-
+            }
-            if (Options.IsCSharpGenerator)
-                TranslationUnitPasses.AddPass(new GenerateAbstractImplementationsPass());
 
             if (Options.GenerateInterfacesForMultipleInheritance)
             {

src/Generator/Generators/CSharp/CSharpTextTemplate.cs

@@ -2342,7 +2342,7 @@ namespace CppSharp.Generators.CSharp
         {
             var virtualCallBuilder = new StringBuilder();
             var i = VTables.GetVTableIndex(function.OriginalFunction ?? function, @class);
-            virtualCallBuilder.AppendFormat("void* {0} = *(void**) ((IntPtr) __OriginalVTables[0] + {1} * {2});",
+            virtualCallBuilder.AppendFormat("var {0} = *(void**) ((IntPtr) __OriginalVTables[0] + {1} * {2});",
                 Helpers.SlotIdentifier, i, Driver.TargetInfo.PointerWidth / 8);
             virtualCallBuilder.AppendLine();
 

tests/CSharp/CSharp.Tests.cs

@@ -167,7 +167,8 @@ public class CSharpTests : GeneratorTestFixture
     [Test]
     public void TestDefaultArguments()
     {
-        var methodsWithDefaultValues = new MethodsWithDefaultValues();
+        using (var methodsWithDefaultValues = new MethodsWithDefaultValues())
+        {
             methodsWithDefaultValues.DefaultPointer();
             methodsWithDefaultValues.DefaultVoidStar();
             methodsWithDefaultValues.DefaultValueType();
@@ -195,6 +196,8 @@ public class CSharpTests : GeneratorTestFixture
             methodsWithDefaultValues.DefaultDoubleWithoutF();
             methodsWithDefaultValues.DefaultIntExpressionWithEnum();
             methodsWithDefaultValues.DefaultCtorWithMoreThanOneArg();
+            methodsWithDefaultValues.DefaultWithRefManagedLong();
+        }
     }
 
     [Test]

tests/CSharp/CSharp.cpp

@@ -470,6 +470,10 @@ void MethodsWithDefaultValues::defaultWithComplexArgs(const QRect& rectangle)
 {
 }
 
+void MethodsWithDefaultValues::defaultWithRefManagedLong(long long* i)
+{
+}
+
 int MethodsWithDefaultValues::getA()
 {
     return m_foo.A;

tests/CSharp/CSharp.h

@@ -361,6 +361,7 @@ public:
     void defaultIntExpressionWithEnum(int i = Qt::GlobalColor::black + 1);
     void defaultCtorWithMoreThanOneArg(QMargins m = QMargins(0, 0, 0, 0));
     void defaultWithComplexArgs(const QRect& rectangle = QRect(QPoint(0, 0), QSize(-1, -1)));
+    void defaultWithRefManagedLong(long long* i = 0);
     int getA();
 private:
     Foo m_foo;

tests/Common/Common.Tests.cs

@@ -202,7 +202,8 @@ public class CommonTests : GeneratorTestFixture
         var abstractFoo = returnsAbstractFoo.Foo;
         Assert.AreEqual(abstractFoo.pureFunction(1), 5);
         Assert.AreEqual(abstractFoo.pureFunction1(), 10);
-        Assert.AreEqual(abstractFoo.pureFunction2(), 15);
+        var ok = false;
+        Assert.AreEqual(abstractFoo.pureFunction2(ref ok), 15);
     }
 
     [Test]

tests/Common/Common.cpp

@@ -307,7 +307,7 @@ int ImplementsAbstractFoo::pureFunction1()
     return 10;
 }
 
-int ImplementsAbstractFoo::pureFunction2()
+int ImplementsAbstractFoo::pureFunction2(bool* ok)
 {
     return 15;
 }

tests/Common/Common.cs

@@ -26,6 +26,7 @@ namespace CppSharp.Tests
             driver.Options.MarshalCharAsManagedChar = true;
             driver.Options.GenerateProperties = true;
             driver.Options.GenerateConversionOperators = true;
+            driver.Options.GenerateDefaultValuesForArguments = true;
         }
 
         public override void Preprocess(Driver driver, ASTContext ctx)

tests/Common/Common.h

@@ -190,17 +190,17 @@ public:
 class DLL_API AbstractFoo
 {
 public:
-    virtual int pureFunction(int i) = 0;
+    virtual int pureFunction(int i = 0) = 0;
     virtual int pureFunction1() = 0;
-    virtual int pureFunction2() = 0;
+    virtual int pureFunction2(bool* ok = 0) = 0;
 };
 
 class DLL_API ImplementsAbstractFoo : public AbstractFoo
 {
 public:
-    virtual int pureFunction(int i);
+    virtual int pureFunction(int i = 0);
     virtual int pureFunction1();
-    virtual int pureFunction2();
+    virtual int pureFunction2(bool* ok = 0);
 };
 
 class DLL_API ReturnsAbstractFoo