Re: [ANN] luabind 0.9-rc1

2009/12/10 Daniel Wallin <[email protected]>

> I'm happy to announce the first RC of luabind 0.9. There have been a lot
> of improvements since 0.8.1. Among the more interesting ones are the
> automatic handling of down casts, as well as better smart pointer
> support, and of course the improved performance.
>
> Many thanks to Athena Capital Research who funded a large part of the
> development for this release.
>
> Please test and report problems!
>
> Source packages available for download at:
>
>  http://sourceforge.net/projects/luabind/files/
>
>
> User visible changes since 0.8.1
> --------------------------------
>
>  * Major optimizations. For example, calling member functions should be
>   close to twice as fast.
>
>  * Can now automatically handle conversion of any pointer like type
>   that implements a get_pointer() overload.
>
>  * Now handles virtual and multiple inheritance properly.
>
>  * Automatically perform down-casts as well as up-casts when converting
>   arguments from Lua to C++.
>
>  * When converting from C++ to Lua, polymorphic instances are
>   automatically cast to their most derived type.
>
>  * Memory optimizations.
>
>  * Added `table<>` object wrapper. Can be used to limit a function
>   parameter to tables.
>
>   Previously:
>
>       void f(object const& x)
>       {
>           // assert that x is table
>       }
>
>   Now:
>
>       void f(table<object> const& x)
>       {
>       }
>
>  * Uses standard luaL_ref() and luaL_unref() functions. This should
>   simplify integration with other libraries that make use of the
>   registry.
>
>  * Deprecated the `raw()` converter policy. lua_State* arguments are now
>   automatically handled by the library.
>
>  * Fixed common problem where objects would reference a garbage
>   collected coroutine.
>
> Breaking changes
> ----------------
>
>  * Dropped support for using a custom type_info.
>
>  * `get_const_holder()' was removed, and by extension the automatic
>   smart_ptr<X> -> smart_ptr<X const>.
>
>
> Changes since 0.8.1:
> --------------------
>
> Daniel Wallin (100):
>  Remove a lot of unused code.
>  Remove unnecessary dependency on Boost.Python.
>  Don't use boost::function.
>  Remove a bunch of dead code and unnecessary includes.
>  Use mpl::vector instead of mpl::list in class_<>.
>  Simplify parameter deduction code in class_<> template.
>  Use partial specialization for is_bases<>.
>  Move "bases<>" definition to class.hpp.
>  Add missing <stdexcept> include.
>  Replace ref/unref with luaL_ref/luaL_unref.
>  Use luaL_ref/luaL_unref in weak_ref.
>  Add type_info wrapper class.
>  Add table<> object wrapper.
>  Fix placeholder macro for GCC4.0.
>  Replace include with forward declaration.
>  New instance holders. Can hold instance by any pointer type.
>  New instance storage implementation. Cleaner and faster.
>  Add default converter for boost::shared_ptr<>.
>  Use luaL_ref/luaL_unref instead of old ref() mechanism.
>  Don't try to return void* from Lua in test.
>  Add missing LUABIND_API to luabind::open().
>  Add test for creating instances in Lua threads.
>  Add luabind::get_main_thread() API.
>  Create instance table reference in the main thread.
>  New recursive overload resolver.
>  Compute argument indices with converters.
>  Automatically convert lua_State* arguments.
>  Test user defined converter that consumes 2 parameters.
>  Inline more calls when invoking functions. Improves code on GCC.
>  Cache conversion result from the scoring stage.
>  Reduce the number of API calls for numeric converters.
>  Use lua_rawgeti() instead of lua_pushnumber, lua_rawget pair.
>  Make adopt_policy::match() stateful.
>  Make const_pointer_converter stateful.
>  Make shared_ptr_converter stateful.
>  Fix builtin converter test. All converters need both conversion stages.
>  Fix tests. Need to contain subconverters.
>  Add missing detail/ref.hpp include.
>  New inheritance graph code.
>  Add make_instance() helper function.
>  Add tests for new inheritance code.
>  Add missing <luabind/wrapper_base.hpp> include.
>  Use add_cast() for wrappers as well.
>  Handle null pointer in shared_ptr_converter.
>  Rework local_id allocation in class_id_map.
>  Fix bug in id allocation.
>  Make shared_ptr_converter public.
>  Test object identity with shared_ptr_converter.
>  Handle NULL smart pointers.
>  Remove use of conversion_storage.
>  Test that adopt() leaves a weak pointer in the Lua object.
>  Hold a weak pointer in instance_holder when ownership is released.
>  Use false : x : 0 idiom to avoid evaluating x.
>  Suppress unused variable warning.
>  Keep overload chain alive in function_object.
>  Remove old unused table ref member from object_rep.
>  Store dependency refs directly in the registry.
>  Update version.hpp for v0.9.
>  Silence uninitialized variable warning.
>  Cache conversion result in value_converter.
>  Update version for 0.9 in Jamroot.
>  Add test for extending exported classes in Lua.
>  Associate polymorphic wrapper back reference with the main thread.
>  Remove some stale code.
>  Handle returning references to smart pointers.
>  Allocate storage for instances with object_rep::allocate().
>  Add missing LUABIND_API to invoke_context.
>  Use boost::scoped_ptr<> for pimpl.
>  Add missing LUABIND_API to class_id_map.
>  Fix bug where local class ids would become incorrect.
>  Supress int->bool warnings on MSVC.
>  Add missing LUABIND_BUILDING define to inheritance.cpp.
>  Use std::size_t instead of int for dependency count.
>  Const holder conversion isn't supported any more. Don't test it.
>  Use lua_tointeger() instead of casting the result of lua_tonumber().
>  Suppress a bunch of "unreferenced parameter" warnings.
>  Suppress MSVC alignment warning (C4121).
>  Suppress MSVC unreachable code warning.
>  Suppress MSVC "assignment operator could not be generated" warning.
>  Make object_rep noncopyable.
>  Cast to lua_Integer and lua_Number explicitly in converter.
>  Remove compute_arity(). This isn't used any more.
>  Revert 5134297. This caused overload ambiguities.
>  Fix leak in "super" upvalue.
>  Store main thread lua_State* in shared_ptr_deleter.
>  Fix class_info() calling lua_typename() with stack index.
>  Kill old detail::is_class_object() function.
>  Fix set_instance_value() bug that overwrote class values.
>  Don't test smart ptr features that have been removed.
>  docs: Rewrite section on smart pointers.
>  docs: Remove note about library being in beta phase.
>  Use lua_pushliteral() where possible.
>  Don't use lua_tointeger() for unsigned int on MSVC.
>  Suppress int->bool warnings on MSVC.
>  Don't leak cast-graph objects.
>  docs: Add note about functions returning smart pointers.
>  Accept "nil" in char const* converter.
>  Always use lua_tonumber() for unsigned int/long.
>  cast_graph::cast() should return the score as int.
>  Fix placeholder definitions to match changes in Boost 1.39.
>
> Evan Wies (3):
>  Don't crash if class_info() is called on non-luabind objects.
>  Add Lua function class_names() giving a list of registered types.
>  Test that class_info() don't crash when passed non-luabind objects.
>
> Kenny Peng (1):
>  Address a name conflict with termios.h.
>
> Nigel Atkinson (1):
>  Don't use same name for parameter and type.
>
> --
> Daniel Wallin
> BoostPro Computing
> http://www.boostpro.com
>
>
>
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Is there a packaging mistake for the 0.9rc1 zip file, I still see the
directory inside named luabind-0.8.1 and the speed it almost the same?
Liam

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