Actually be able to take in a class as argument to class_info

Includes test.

Conflicts:
	src/class_info.cpp

Author: rpavlik

src/class_info.cpp

@@ -28,33 +28,53 @@
 #include <luabind/class_info.hpp>
 #include <luabind/detail/class_registry.hpp>
 
+/*
+#include <iostream>
+#define VERBOSE(X) std::cout << __FILE__ << ":" << __LINE__ << ": " << X << std::endl
+*/
+#define VERBOSE(X)
+
 namespace luabind
 {
     LUABIND_API class_info get_class_info(argument const& o)
     {
         lua_State* L = o.interpreter();
+        detail::class_rep * crep = NULL;
+        bool givenClassRep = false;
 
         o.push(L);
-        detail::object_rep* obj = detail::get_instance(L, -1);
-
-        if (!obj)
-        {
-            class_info result;
-            result.name = lua_typename(L, lua_type(L, -1));
+        if (detail::is_class_rep(L, -1)) {
+            VERBOSE("OK, got a class rep");
+            // OK, o is a class rep, now at the top of the stack
+            givenClassRep = true;
+            crep = static_cast<detail::class_rep *>(lua_touserdata(L, -1));
             lua_pop(L, 1);
-            result.methods = newtable(L);
-            result.attributes = newtable(L);
-            return result;
-        }
+        } else {
 
-        lua_pop(L, 1);
+            VERBOSE("Not a class rep");
+            detail::object_rep* obj = detail::get_instance(L, -1);
 
-        obj->crep()->get_table(L);
+            if (!obj)
+            {
+                VERBOSE("Not a obj rep");
+                class_info result;
+                result.name = lua_typename(L, lua_type(L, -1));
+                lua_pop(L, 1);
+                result.methods = newtable(L);
+                result.attributes = newtable(L);
+                return result;
+            } else {
+                lua_pop(L, 1);
+                // OK, we were given an object - gotta get the crep.
+                crep = obj->crep();
+            }
+        }
+        crep->get_table(L);
         object table(from_stack(L, -1));
         lua_pop(L, 1);
 
         class_info result;
-        result.name = obj->crep()->name();
+        result.name = crep->name();
         result.methods = newtable(L);
         result.attributes = newtable(L);
 

test/test_class_info.cpp

@@ -46,6 +46,14 @@ void test_main(lua_State* L)
         "assert(type(names) == 'table')\n"
         "assert(#names == 2)\n"
         "assert(names[1] == 'X' or names[2] == 'X')\n"
-        "assert(names[1] == 'class_info_data' or names[2] == 'class_info_data')\n"
+        "assert(names[1] == 'class_info_data' or names[2] == 'class_info_data')\n");
+
+    DOSTRING(L,
+        "info = class_info(X)\n"
+        "assert(info.name == 'X')\n"
+        "assert(info.methods['f'] == X().f)\n"
+        "assert(info.methods['__init'] == X().__init)\n"
+        "assert(info.attributes[1] == 'y')\n"
+        "assert(info.attributes[2] == 'x')\n"
     );
 }