Implement binding manager to hold binding overrides

Author: Mohamed Koubaa

src/runtime/BindingOptions.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+
+namespace Python.Runtime
+{
+    public class BindingOptions
+    {
+        private bool _SuppressDocs = false;
+        private bool _SuppressOverloads = false;
+
+        //[ModuleProperty]
+        public bool SuppressDocs
+        {
+            get { return _SuppressDocs; }
+            set { _SuppressDocs = value; }
+        }
+
+        //[ModuleProperty]
+        public bool SuppressOverloads
+        {
+            get { return _SuppressOverloads; }
+            set { _SuppressOverloads = value; }
+        }
+    }
+
+    public class BindingManager
+    {
+        static IDictionary<Type, BindingOptions> _typeOverrides = new Dictionary<Type, BindingOptions>();
+        static IDictionary<Assembly, BindingOptions> _assemblyOverrides = new Dictionary<Assembly, BindingOptions>();
+        static BindingOptions _defaultBindingOptions = new BindingOptions();
+
+        public static BindingOptions GetBindingOptions(Type type)
+        {
+            if (_typeOverrides.ContainsKey(type))
+            {
+                return _typeOverrides[type];
+            }
+
+            if (_assemblyOverrides.ContainsKey(type.Assembly))
+            {
+                return _assemblyOverrides[type.Assembly];
+            }
+            return _defaultBindingOptions;
+        }
+
+        public static BindingOptions DefaultBindingOptions => _defaultBindingOptions;
+
+        public static void SetBindingOptions(Type type, BindingOptions options)
+        {
+            _typeOverrides[type] = options;
+        }
+
+        public static void SetBindingOptions(Assembly assembly, BindingOptions options)
+        {
+            _assemblyOverrides[assembly] = options;
+        }
+
+        public static void Clear()
+        {
+            _typeOverrides.Clear();
+            _assemblyOverrides.Clear();
+        }
+    }
+}

src/runtime/ClassManager.cs

@@ -210,6 +210,7 @@ internal static void InitClassBase(Type type, ClassBase impl, ReflectedClrType p
             // information, including generating the member descriptors
             // that we'll be putting in the Python class __dict__.
 
+            var bindingOptions = BindingManager.GetBindingOptions(type);
             ClassInfo info = GetClassInfo(type, impl);
 
             impl.indexer = info.indexer;
@@ -254,7 +255,7 @@ internal static void InitClassBase(Type type, ClassBase impl, ReflectedClrType p
                 if (co.NumCtors > 0 && !co.HasCustomNew())
                 {
                     // Implement Overloads on the class object
-                    if (!CLRModule._SuppressOverloads)
+                    if (!bindingOptions.SuppressOverloads)
                     {
                         // HACK: __init__ points to instance constructors.
                         // When unbound they fully instantiate object, so we get overloads for free from MethodBinding.
@@ -265,7 +266,7 @@ internal static void InitClassBase(Type type, ClassBase impl, ReflectedClrType p
                     }
 
                     // don't generate the docstring if one was already set from a DocStringAttribute.
-                    if (!CLRModule._SuppressDocs && doc.IsNull())
+                    if (!bindingOptions.SuppressDocs && doc.IsNull())
                     {
                         doc = co.GetDocString();
                         Runtime.PyDict_SetItem(dict, PyIdentifier.__doc__, doc.Borrow());

src/runtime/Types/ClrModule.cs

@@ -16,7 +16,6 @@ internal class CLRModule : ModuleObject
         protected static bool interactive_preload = true;
         internal static bool preload;
         // XXX Test performance of new features //
-        internal static bool _SuppressDocs = false;
         internal static bool _SuppressOverloads = false;
 
         static CLRModule()
@@ -39,10 +38,6 @@ public static void Reset()
         {
             interactive_preload = true;
             preload = false;
-
-            // XXX Test performance of new features //
-            _SuppressDocs = false;
-            _SuppressOverloads = false;
         }
 
         /// <summary>
@@ -82,15 +77,15 @@ public static void setPreload(bool preloadFlag)
         //[ModuleProperty]
         public static bool SuppressDocs
         {
-            get { return _SuppressDocs; }
-            set { _SuppressDocs = value; }
+            get { return BindingManager.DefaultBindingOptions.SuppressDocs; }
+            set { BindingManager.DefaultBindingOptions.SuppressDocs = value; }
         }
 
         //[ModuleProperty]
         public static bool SuppressOverloads
         {
-            get { return _SuppressOverloads; }
-            set { _SuppressOverloads = value; }
+            get { return BindingManager.DefaultBindingOptions.SuppressOverloads; }
+            set { BindingManager.DefaultBindingOptions.SuppressOverloads = value; }
         }
 
         [ModuleFunction]