/usr/include/luabind/detail/object_rep.hpp is in libluabind-dev 0.9.1+dfsg-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | // Copyright (c) 2003 Daniel Wallin and Arvid Norberg
// 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_OBJECT_REP_HPP_INCLUDED
#define LUABIND_OBJECT_REP_HPP_INCLUDED
#include <boost/aligned_storage.hpp>
#include <luabind/config.hpp>
#include <luabind/detail/instance_holder.hpp>
#include <luabind/detail/ref.hpp>
namespace luabind { namespace detail
{
class class_rep;
void finalize(lua_State* L, class_rep* crep);
// this class is allocated inside lua for each pointer.
// it contains the actual c++ object-pointer.
// it also tells if it is const or not.
class LUABIND_API object_rep
{
public:
object_rep(instance_holder* instance, class_rep* crep);
~object_rep();
const class_rep* crep() const { return m_classrep; }
class_rep* crep() { return m_classrep; }
void set_instance(instance_holder* instance) { m_instance = instance; }
void add_dependency(lua_State* L, int index);
void release_dependency_refs(lua_State* L);
std::pair<void*, int> get_instance(class_id target) const
{
if (m_instance == 0)
return std::pair<void*, int>((void*)0, -1);
return m_instance->get(target);
}
bool is_const() const
{
return m_instance && m_instance->pointee_const();
}
void release()
{
if (m_instance)
m_instance->release();
}
void* allocate(std::size_t size)
{
if (size <= 32)
return &m_instance_buffer;
return std::malloc(size);
}
void deallocate(void* storage)
{
if (storage == &m_instance_buffer)
return;
std::free(storage);
}
private:
object_rep(object_rep const&)
{}
void operator=(object_rep const&)
{}
instance_holder* m_instance;
boost::aligned_storage<32> m_instance_buffer;
class_rep* m_classrep; // the class information about this object's type
std::size_t m_dependency_cnt; // counts dependencies
};
template<class T>
struct delete_s
{
static void apply(void* ptr)
{
delete static_cast<T*>(ptr);
}
};
template<class T>
struct destruct_only_s
{
static void apply(void* ptr)
{
// Removes unreferenced formal parameter warning on VC7.
(void)ptr;
#ifndef NDEBUG
int completeness_check[sizeof(T)];
(void)completeness_check;
#endif
static_cast<T*>(ptr)->~T();
}
};
LUABIND_API object_rep* get_instance(lua_State* L, int index);
LUABIND_API void push_instance_metatable(lua_State* L);
LUABIND_API object_rep* push_new_instance(lua_State* L, class_rep* cls);
}}
#endif // LUABIND_OBJECT_REP_HPP_INCLUDED
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