Extended the generation of implicit ctors.

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

src/Generator/Passes/CheckOperatorsOverloads.cs

@@ -71,18 +71,21 @@ namespace CppSharp.Passes
                     if (@operator.IsStatic)
                         @operator.Parameters = @operator.Parameters.Skip(1).ToList();
 
-                    var type = new PointerType
+                    if (@operator.ConversionType.Type == null || @operator.Parameters.Count == 0)
                     {
-                        QualifiedPointee = new QualifiedType(new TagType(@class)),
-                        Modifier = PointerType.TypeModifier.LVReference
-                    };
-
-                    @operator.Parameters.Insert(0, new Parameter
-                    {
-                        Name = Generator.GeneratedIdentifier("op"),
-                        QualifiedType = new QualifiedType(type),
-                        Kind = ParameterKind.OperatorParameter
-                    });
+                        var type = new PointerType
+                        {
+                            QualifiedPointee = new QualifiedType(new TagType(@class)),
+                            Modifier = PointerType.TypeModifier.LVReference
+                        };
+
+                        @operator.Parameters.Insert(0, new Parameter
+                        {
+                            Name = Generator.GeneratedIdentifier("op"),
+                            QualifiedType = new QualifiedType(type),
+                            Kind = ParameterKind.OperatorParameter
+                        });
+                    }
                 }
             }
         }

src/Generator/Passes/ConstructorToConversionOperatorPass.cs

@@ -1,5 +1,4 @@
-using System.Linq;
-using CppSharp.AST;
+using CppSharp.AST;
 using CppSharp.AST.Extensions;
 
 namespace CppSharp.Passes
@@ -19,38 +18,45 @@ namespace CppSharp.Passes
             if (method.Parameters.Count != 1)
                 return false;
             var parameter = method.Parameters[0];
-            var parameterType = parameter.Type as PointerType;
-            if (parameterType == null)
-                return false;
-            if (!parameterType.IsReference)
-                return false;
-            var qualifiedPointee = parameterType.QualifiedPointee;
+            // TODO: disable implicit operators for C++/CLI because they seem not to be support parameters
+            if (!Driver.Options.IsCSharpGenerator)
+            {
+                var pointerType = parameter.Type as PointerType;
+                if (pointerType != null && !pointerType.IsReference)
+                    return false;
+            }
+            var qualifiedPointee = parameter.Type.SkipPointerRefs();
             Class castFromClass;
-            if (!qualifiedPointee.Type.TryGetClass(out castFromClass))
-                return false;
-            var castToClass = method.OriginalNamespace as Class;
-            if (castToClass == null)
-                return false;
-            if (castFromClass == castToClass)
-                return false;
+            if (qualifiedPointee.TryGetClass(out castFromClass))
+            {
+                var castToClass = method.OriginalNamespace as Class;
+                if (castToClass == null)
+                    return false;
+                if (castFromClass == castToClass)
+                    return false;
+            }
 
             var operatorKind = method.IsExplicit
                 ? CXXOperatorKind.ExplicitConversion
                 : CXXOperatorKind.Conversion;
-            var castToType = new TagType(castToClass);
-            var qualifiedCastToType = new QualifiedType(castToType);
-            var conversionOperator = new Method()
+            var qualifiedCastToType = new QualifiedType(new TagType(method.Namespace));
+            var conversionOperator = new Method
             {
                 Name = Operators.GetOperatorIdentifier(operatorKind),
-                Namespace = castFromClass,
+                Namespace = method.Namespace,
                 Kind = CXXMethodKind.Conversion,
                 SynthKind = FunctionSynthKind.ComplementOperator,
                 ConversionType = qualifiedCastToType,
-                ReturnType = qualifiedCastToType
+                ReturnType = qualifiedCastToType,
+                OperatorKind = operatorKind
             };
-            conversionOperator.OperatorKind = operatorKind;
-
-            castFromClass.Methods.Add(conversionOperator);
+            var p = new Parameter(parameter);
+            Class @class;
+            if (p.Type.SkipPointerRefs().TryGetClass(out @class))
+                p.QualifiedType = new QualifiedType(new TagType(@class), parameter.QualifiedType.Qualifiers);
+            p.DefaultArgument = null;
+            conversionOperator.Parameters.Add(p);
+            ((Class) method.Namespace).Methods.Add(conversionOperator);
             return true;
         }
     }

tests/CSharpTemp/CSharpTemp.Tests.cs

@@ -164,4 +164,14 @@ public class CSharpTempTests : GeneratorTestFixture
             Assert.AreEqual(q1.Array[i], q2.Array[i]);
         }
     }
+
+    [Test]
+    public void TestImplicitCtor()
+    {
+        Foo foo = new Foo { A = 10 };
+        MethodsWithDefaultValues m = foo;
+        Assert.AreEqual(foo.A, m.A);
+        MethodsWithDefaultValues m1 = 5;
+        Assert.AreEqual(5, m1.A);
+    }
 }

tests/CSharpTemp/CSharpTemp.cpp

@@ -277,6 +277,12 @@ QGenericArgument::QGenericArgument(const char *name)
 
 MethodsWithDefaultValues::MethodsWithDefaultValues(Foo foo)
 {
+    m_foo = foo;
+}
+
+MethodsWithDefaultValues::MethodsWithDefaultValues(int a)
+{
+    m_foo.A = a;
 }
 
 void MethodsWithDefaultValues::defaultPointer(Foo *ptr)
@@ -347,6 +353,11 @@ void MethodsWithDefaultValues::rotate4x4Matrix(float angle, float x, float y, fl
 {
 }
 
+int MethodsWithDefaultValues::getA()
+{
+    return m_foo.A;
+}
+
 void HasPrivateOverrideBase::privateOverride(int i)
 {
 }

tests/CSharpTemp/CSharpTemp.h

@@ -248,6 +248,7 @@ class DLL_API MethodsWithDefaultValues
 {
 public:
     MethodsWithDefaultValues(Foo foo = Foo());
+    MethodsWithDefaultValues(int a);
     void defaultPointer(Foo* ptr = 0);
     void defaultVoidStar(void* ptr = 0);
     void defaultValueType(QGenericArgument valueType = QGenericArgument());
@@ -270,6 +271,9 @@ public:
     void defaultIntWithLongExpression(unsigned int i = DEFAULT_INT);
     void defaultRefTypeEnumImplicitCtor(const QColor &fillColor = Qt::white);
     void rotate4x4Matrix(float angle, float x, float y, float z = 0.0f);
+    int getA();
+private:
+    Foo m_foo;
 };
 
 class DLL_API HasPrivateOverrideBase