FM / luabind

/usr/include/luabind

Name	Size	Mode	Actions
detail/	-	0755	rm
adopt_policy.hpp	5091	0644	edit dl rm
back_reference.hpp	3111	0644	edit dl rm
back_reference_fwd.hpp	1495	0644	edit dl rm
build_information.hpp	2015	0644	edit dl rm
class.hpp	27490	0644	edit dl rm
class_info.hpp	1704	0644	edit dl rm
config.hpp	5232	0644	edit dl rm
container_policy.hpp	4951	0644	edit dl rm
copy_policy.hpp	1313	0644	edit dl rm
dependency_policy.hpp	2691	0644	edit dl rm
discard_result_policy.hpp	2512	0644	edit dl rm
error.hpp	3345	0644	edit dl rm
error_callback_fun.hpp	1750	0644	edit dl rm
exception_handler.hpp	2086	0644	edit dl rm
from_stack.hpp	1485	0644	edit dl rm
function.hpp	1519	0644	edit dl rm
function_converter.hpp	4021	0644	edit dl rm
function_introspection.hpp	1949	0644	edit dl rm
get_main_thread.hpp	522	0644	edit dl rm
get_pointer.hpp	1554	0644	edit dl rm
handle.hpp	4218	0644	edit dl rm
intrusive_ptr_converter.hpp	1789	0644	edit dl rm
iterator_policy.hpp	2982	0644	edit dl rm
luabind.hpp	1356	0644	edit dl rm
lua_include.hpp	2665	0644	edit dl rm
lua_state_fwd.hpp	1357	0644	edit dl rm
make_function.hpp	3238	0644	edit dl rm
nil.hpp	1368	0644	edit dl rm
no_dependency.hpp	903	0644	edit dl rm
object.hpp	1291	0644	edit dl rm
object_fwd.hpp	331	0644	edit dl rm
open.hpp	1371	0644	edit dl rm
operator.hpp	8993	0644	edit dl rm
out_value_policy.hpp	12029	0644	edit dl rm
prefix.hpp	1265	0644	edit dl rm
raw_policy.hpp	2426	0644	edit dl rm
return_reference_to_policy.hpp	2661	0644	edit dl rm
scope.hpp	2944	0644	edit dl rm
set_package_preload.hpp	2452	0644	edit dl rm
shared_ptr_converter.hpp	5274	0644	edit dl rm
stack.hpp	4016	0644	edit dl rm
std_shared_ptr_converter.hpp	2271	0644	edit dl rm
tag_function.hpp	1622	0644	edit dl rm
typeid.hpp	2498	0644	edit dl rm
value_wrapper.hpp	4241	0644	edit dl rm
version.hpp	513	0644	edit dl rm
weak_ref.hpp	1834	0644	edit dl rm
wrapper_base.hpp	5987	0644	edit dl rm
yield_policy.hpp	1734	0644	edit dl rm

Edit: /usr/include/luabind/handle.hpp (4218B)

// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef LUABIND_HANDLE_050420_HPP
#define LUABIND_HANDLE_050420_HPP

#include <luabind/value_wrapper.hpp>

#include <luabind/lua_include.hpp>

#include <cassert>

#include <algorithm>
#include <utility>

namespace luabind {

// A reference to a Lua value. Represents an entry in the
// registry table.
class handle
{
public:
    handle();
    handle(lua_State* L, int stack_index);
    handle(lua_State* main, lua_State* L, int stack_index);
    handle(handle const& other);
    ~handle();

handle& operator=(handle const& other);
    void swap(handle& other);

void push(lua_State* L) const;

lua_State* interpreter() const;
    bool is_valid() const;

void replace(lua_State* L, int stack_index);
    void pop(lua_State* L);
    void reset();

private:
    lua_State* m_interpreter;
    int m_index;
};

inline handle::handle()
  : m_interpreter(0)
  , m_index(LUA_NOREF)
{}

inline handle::handle(handle const& other)
  : m_interpreter(other.m_interpreter)
  , m_index(LUA_NOREF)
{
    if (m_interpreter == 0) return;
    other.push(m_interpreter);
    m_index = luaL_ref(m_interpreter, LUA_REGISTRYINDEX);
}

inline handle::handle(lua_State* L, int stack_index)
  : m_interpreter(L)
  , m_index(LUA_NOREF)
{
    lua_pushvalue(L, stack_index);
    m_index = luaL_ref(L, LUA_REGISTRYINDEX);
}

inline handle::handle(lua_State* main, lua_State* L, int stack_index)
  : m_interpreter(main)
  , m_index(LUA_NOREF)
{
    lua_pushvalue(L, stack_index);
    m_index = luaL_ref(L, LUA_REGISTRYINDEX);
}

inline handle::~handle()
{
    if (is_valid())
        luaL_unref(m_interpreter, LUA_REGISTRYINDEX, m_index);
}

inline handle& handle::operator=(handle const& other)
{
    handle(other).swap(*this);
    return *this;
}

inline void handle::swap(handle& other)
{
    std::swap(m_interpreter, other.m_interpreter);
    std::swap(m_index, other.m_index);
}

inline void handle::push(lua_State* L) const
{
    lua_rawgeti(L, LUA_REGISTRYINDEX, m_index);
}

inline lua_State* handle::interpreter() const
{
    return m_interpreter;
}

inline bool handle::is_valid() const
{
    if (m_index == LUA_NOREF) {
        assert(!m_interpreter);
        return false;
    } else {
        assert(m_interpreter);
        return true;
    }
}

inline void handle::replace(lua_State* L, int stack_index)
{
    lua_pushvalue(L, stack_index);
    lua_rawseti(L, LUA_REGISTRYINDEX, m_index);
}

inline void handle::reset()
{
    if (is_valid()) {
        luaL_unref(m_interpreter, LUA_REGISTRYINDEX, m_index);
        m_index = LUA_NOREF;
    }
}

inline void handle::pop(lua_State* L)
{
    reset();
    m_interpreter = L;
    m_index = luaL_ref(L, LUA_REGISTRYINDEX);
}

template<>
struct value_wrapper_traits<handle>
{
    typedef boost::mpl::true_ is_specialized;

static lua_State* interpreter(handle const& value)
    {
        return value.interpreter();
    }

static void unwrap(lua_State* L, handle const& value)
    {
        value.push(L);
    }

static bool check(...)
    {
        return true;
    }
};

} // namespace luabind

#endif // LUABIND_HANDLE_050420_HPP

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