Added a pass to convert functions to static methods.

src/Generator/Passes/FunctionToStaticMethodPass.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Diagnostics;
+using System.Text.RegularExpressions;
+
+namespace Cxxi.Passes
+{
+    /// <summary>
+    /// This pass will try to hoist functions into classes so they
+    /// work just like static methods.
+    /// </summary>
+    public class FunctionToStaticMethodPass : TranslationUnitPass
+    {
+        /// <summary>
+        /// Processes a function declaration.
+        /// </summary>
+        public override bool ProcessFunction(Function function)
+        {
+            if (function.Ignore)
+                return false;
+
+            var types = SplitCamelCase(function.Name);
+            if (types.Length == 0)
+                return false;
+
+            var @class = Library.FindCompleteClass(types[0]);
+            if (@class == null)
+                return false;
+
+            // Clean up the name of the function now that it will be an instance method.
+            function.Name = function.Name.Substring(@class.Name.Length);
+            function.ExplicityIgnored = true;
+
+            // Create a new fake method so it acts as an instance method.
+            var method = new Method()
+            {
+                Namespace = @class.Namespace,
+                Name = function.Name,
+                OriginalName = function.OriginalName,
+                Access = AccessSpecifier.Public,
+                Kind = CXXMethodKind.Normal,
+                ReturnType = function.ReturnType,
+                Parameters = function.Parameters,
+                CallingConvention = function.CallingConvention,
+                IsVariadic = function.IsVariadic,
+                IsInline = function.IsInline,
+                IsStatic = true,
+                Conversion = MethodConversionKind.FunctionToStaticMethod
+            };
+
+            @class.Methods.Add(method);
+
+            Console.WriteLine("Static method: {0}::{1}", @class.Name,
+                function.Name);
+
+            return true;
+        }
+
+        public static string[] SplitCamelCase(string input)
+        {
+            var str = Regex.Replace(input, "([A-Z])", " $1", RegexOptions.Compiled);
+            return str.Trim().Split();
+        }
+    }
+
+    public static class FunctionToStaticMethodExtensions
+    {
+        public static void FunctionToStaticMethod(this PassBuilder builder)
+        {
+            var pass = new FunctionToStaticMethodPass();
+            builder.AddPass(pass);
+        }
+    }
+}