Added first pass at a pass for transforming compatible getters/setters into properties.

src/Generator/Diagnostics.cs

@@ -11,6 +11,7 @@ namespace CppSharp
         FileGenerated,
         ParseResult,
         ParserDiagnostic,
+        PropertySynthetized
     }
 
     public enum DiagnosticKind

src/Generator/Passes/GetterSetterToPropertyPass.cs

@@ -0,0 +1,94 @@
+using System;
+using CppSharp.AST;
+
+namespace CppSharp.Passes
+{
+    /// <summary>
+    /// This pass checks for compatible combinations of getters/setters methods
+    /// and creates matching properties that call back into the methods.
+    /// </summary>
+    public class GetterSetterToPropertyPass : TranslationUnitPass
+    {
+        public GetterSetterToPropertyPass()
+        {
+            Options.VisitClassFields = false;
+            Options.VisitClassProperties = false;
+            Options.VisitNamespaceEnums = false;
+            Options.VisitNamespaceTemplates = false;
+            Options.VisitNamespaceTypedefs = false;
+            Options.VisitNamespaceEvents = false;
+            Options.VisitNamespaceVariables = false;
+            Options.VisitFunctionParameters = false;
+            Options.VisitTemplateArguments = false;
+        }
+
+        static bool IsSetter(Function method)
+        {
+            var isRetVoid = method.ReturnType.Type.IsPrimitiveType(
+                PrimitiveType.Void);
+
+            var isSetter = method.OriginalName.StartsWith("set",
+                StringComparison.InvariantCultureIgnoreCase);
+
+            return isRetVoid && isSetter && method.Parameters.Count == 1;
+        }
+
+        static bool IsGetter(Function method)
+        {
+            var isRetVoid = method.ReturnType.Type.IsPrimitiveType(
+                PrimitiveType.Void);
+
+            var isGetter = method.OriginalName.StartsWith("get",
+                StringComparison.InvariantCultureIgnoreCase);
+
+            return !isRetVoid && isGetter && method.Parameters.Count == 0;
+        }
+
+        public override bool VisitMethodDecl(Method method)
+        {
+            //var expansions = method.PreprocessedEntities.OfType<MacroExpansion>();
+            //if (expansions.Any(e => e.Text.Contains("ACCESSOR")))
+            //    System.Diagnostics.Debugger.Break();
+
+            if (!IsGetter(method))
+                return false;
+
+            var @class = method.Namespace as Class;
+            foreach (var classMethod in @class.Methods)
+            {
+                if (!IsSetter(classMethod))
+                    continue;
+
+                if (classMethod.Parameters[0].Type.Equals(method.ReturnType.Type))
+                    continue;
+
+                var getName = method.Name.Substring("get".Length);
+                var setName = classMethod.Name.Substring("set".Length);
+
+                if (getName != setName)
+                    continue;
+
+                // We found a compatible pair of methods, create a property.
+                var prop = new Property
+                {
+                    Name = getName,
+                    Namespace = @class,
+                    QualifiedType = method.ReturnType
+                };
+
+                // Ignore the original methods now that we have a property.
+                method.ExplicityIgnored = true;
+                classMethod.ExplicityIgnored = true;
+
+                @class.Properties.Add(prop);
+
+                Driver.Diagnostics.EmitMessage(DiagnosticId.PropertySynthetized,
+                    "Getter/setter property created: {0}::{1}", @class.Name,
+                    getName);
+                return true;
+            }
+
+            return false;
+        }
+    }
+}