Fixed a bug when wrapping virtual properties overridden in indirect derived types.

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

src/AST/ClassExtensions.cs

@@ -80,7 +80,7 @@ namespace CppSharp.AST
 
                 if (getTopmost)
                 {
-                    baseMethod = (@base.Class.GetBaseMethod(@override, onlyPrimaryBase));
+                    baseMethod = (@base.Class.GetBaseMethod(@override, onlyPrimaryBase, true));
                     if (baseMethod != null)
                         return baseMethod;
                 }
@@ -88,20 +88,37 @@ namespace CppSharp.AST
             return null;
         }
 
-        public static Property GetRootBaseProperty(this Class c, Property @override, bool onlyFirstBase = false)
+        public static Property GetBaseProperty(this Class c, Property @override, bool onlyFirstBase = false, bool getTopmost = false)
+        {
+            foreach (var @base in c.Bases)
+            {
+                if (!@base.IsClass || @base.Class.OriginalClass == c || (onlyFirstBase && @base.Class.IsInterface))
+                    continue;
+
+                Property baseProperty;
+                if (!getTopmost)
                 {
-            return (from @base in c.Bases
-                where @base.IsClass && @base.Class.OriginalClass != c && (!onlyFirstBase || !@base.Class.IsInterface)
-                let baseProperty = (
-                    from property in @base.Class.Properties
+                    baseProperty = @base.Class.GetBaseProperty(@override, onlyFirstBase);
+                    if (baseProperty != null)
+                        return baseProperty;
+                }
+
+                baseProperty = (from property in @base.Class.Properties
                     where
                         property.OriginalName == @override.OriginalName &&
-                        property.Parameters.SequenceEqual(@override.Parameters,
-                            new ParameterTypeComparer())
-                    select property).FirstOrDefault()
-                let rootBaseProperty = @base.Class.GetRootBaseProperty(@override, onlyFirstBase) ?? baseProperty
-                where rootBaseProperty != null || onlyFirstBase
-                select rootBaseProperty).FirstOrDefault();
+                        property.Parameters.SequenceEqual(@override.Parameters, new ParameterTypeComparer())
+                    select property).FirstOrDefault();
+                if (baseProperty != null)
+                    return baseProperty;
+
+                if (getTopmost)
+                {
+                    baseProperty = @base.Class.GetBaseProperty(@override, onlyFirstBase, true);
+                    if (baseProperty != null)
+                        return baseProperty;
+                }
+            }
+            return null;
         }
 
         public static Property GetPropertyByName(this Class c, string propertyName)

src/Generator/Generators/CSharp/CSharpTextTemplate.cs

@@ -1211,7 +1211,7 @@ namespace CppSharp.Generators.CSharp
                     // check if overriding a property from a secondary base
                     Property rootBaseProperty;
                     var isOverride = prop.IsOverride &&
-                        (rootBaseProperty = @class.GetRootBaseProperty(prop, true)) != null &&
+                        (rootBaseProperty = @class.GetBaseProperty(prop, true)) != null &&
                         (rootBaseProperty.IsVirtual || rootBaseProperty.IsPure);
 
                     if (isOverride)
@@ -2317,7 +2317,7 @@ namespace CppSharp.Generators.CSharp
                     return AccessSpecifier.Public;
                 default:
                     return property.IsOverride ?
-                        ((Class) property.Namespace).GetRootBaseProperty(property).Access : property.Access;
+                        ((Class) property.Namespace).GetBaseProperty(property).Access : property.Access;
             }
         }
 

src/Generator/Passes/GetterSetterToPropertyAdvancedPass.cs

@@ -84,7 +84,7 @@ namespace CppSharp.Passes
                             goto next;
                         }
                     }
-                    Property baseProperty = type.GetRootBaseProperty(new Property { Name = afterSet });
+                    Property baseProperty = type.GetBaseProperty(new Property { Name = afterSet }, getTopmost: true);
                     if (!type.IsInterface && baseProperty != null && baseProperty.IsVirtual && setter.IsVirtual)
                     {
                         bool isReadOnly = baseProperty.SetMethod == null;
@@ -98,7 +98,7 @@ namespace CppSharp.Passes
                 {
                     Class type = (Class) nonSetter.Namespace;
                     string name = GetPropertyName(nonSetter.Name);
-                    Property baseProperty = type.GetRootBaseProperty(new Property { Name = name });
+                    Property baseProperty = type.GetBaseProperty(new Property { Name = name }, getTopmost: true);
                     if (!type.IsInterface && baseProperty != null && baseProperty.IsVirtual)
                     {
                         bool isReadOnly = baseProperty.SetMethod == null;
@@ -151,7 +151,7 @@ namespace CppSharp.Passes
                     };
                     if (getter.IsOverride || (setter != null && setter.IsOverride))
                     {
-                        var baseVirtualProperty = type.GetRootBaseProperty(property);
+                        var baseVirtualProperty = type.GetBaseProperty(property, getTopmost: true);
                         if (baseVirtualProperty.SetMethod == null)
                             setter = null;
                     }

src/Generator/Passes/MultipleInheritancePass.cs

@@ -214,7 +214,7 @@ namespace CppSharp.Passes
             foreach (var property in @interface.Properties.Where(p => p.Name != Helpers.InstanceIdentifier))
             {
                 var impl = new Property(property) { Namespace = @class };
-                var rootBaseProperty = @class.GetRootBaseProperty(property, true);
+                var rootBaseProperty = @class.GetBaseProperty(property, true);
                 if (rootBaseProperty != null && rootBaseProperty.IsDeclared)
                     impl.ExplicitInterfaceImpl = @interface;
                 @class.Properties.Add(impl);

src/Generator/Passes/RenamePass.cs

@@ -57,7 +57,7 @@ namespace CppSharp.Passes
             var property = decl as Property;
             if (property != null && !property.IsStatic)
             {
-                var rootBaseProperty = ((Class) property.Namespace).GetRootBaseProperty(property);
+                var rootBaseProperty = ((Class) property.Namespace).GetBaseProperty(property);
                 if (rootBaseProperty != null && rootBaseProperty != property)
                 {
                     newName = rootBaseProperty.Name;

tests/CSharp/CSharp.Tests.cs

@@ -461,4 +461,13 @@ public class CSharpTests : GeneratorTestFixture
         testHashes[testComparison2] = 2;
         Assert.That(testHashes[testComparison1], Is.EqualTo(2));
     }
+
+    [Test]
+    public void TestOverriddenPropertyFromIndirectBase()
+    {
+        using (var overridePropertyFromIndirectPrimaryBase = new OverridePropertyFromIndirectPrimaryBase())
+        {
+            Assert.That(overridePropertyFromIndirectPrimaryBase.Property, Is.EqualTo(5));
+        }
+    }
 }

tests/CSharp/CSharp.cpp

@@ -812,3 +812,24 @@ bool TestComparison::operator ==(const TestComparison& other) const
 {
     return A == other.A && B == other.B;
 }
+
+OverridePropertyFromIndirectPrimaryBaseBase::OverridePropertyFromIndirectPrimaryBaseBase()
+{
+}
+
+OverridePropertyFromDirectPrimaryBase::OverridePropertyFromDirectPrimaryBase()
+{
+}
+
+void OverridePropertyFromDirectPrimaryBase::setProperty(int value)
+{
+}
+
+OverridePropertyFromIndirectPrimaryBase::OverridePropertyFromIndirectPrimaryBase()
+{
+}
+
+int OverridePropertyFromIndirectPrimaryBase::property()
+{
+    return 5;
+}

tests/CSharp/CSharp.h

@@ -698,7 +698,7 @@ public:
     OverrideFromDirectSecondaryBase();
 };
 
-class OverrideFromIndirectSecondaryBase : public OverrideFromDirectSecondaryBase
+class DLL_API OverrideFromIndirectSecondaryBase : public OverrideFromDirectSecondaryBase
 {
 public:
     OverrideFromIndirectSecondaryBase();
@@ -742,3 +742,25 @@ public:
     float B;
     bool operator ==(const TestComparison& other) const;
 };
+
+class DLL_API OverridePropertyFromIndirectPrimaryBaseBase
+{
+public:
+    OverridePropertyFromIndirectPrimaryBaseBase();
+    virtual int property() = 0;
+    virtual void setProperty(int value) = 0;
+};
+
+class DLL_API OverridePropertyFromDirectPrimaryBase : public OverridePropertyFromIndirectPrimaryBaseBase
+{
+public:
+    OverridePropertyFromDirectPrimaryBase();
+    void setProperty(int value);
+};
+
+class DLL_API OverridePropertyFromIndirectPrimaryBase : public OverridePropertyFromDirectPrimaryBase
+{
+public:
+    OverridePropertyFromIndirectPrimaryBase();
+    int property();
+};