This file is indexed.

/usr/include/luabind/wrapper_base.hpp is in libluabind-dev 0.9.1+dfsg-9.

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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
// 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.

#if !BOOST_PP_IS_ITERATING

#ifndef LUABIND_WRAPPER_BASE_HPP_INCLUDED
#define LUABIND_WRAPPER_BASE_HPP_INCLUDED

#include <luabind/config.hpp>
#include <luabind/weak_ref.hpp>
#include <luabind/detail/ref.hpp>
#include <luabind/detail/call_member.hpp>

#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
#include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp>

#include <stdexcept>

namespace luabind
{
	namespace detail
	{
		struct wrap_access;

		// implements the selection between dynamic dispatch
		// or default implementation calls from within a virtual
		// function wrapper. The input is the self reference on
		// the top of the stack. Output is the function to call
		// on the top of the stack (the input self reference will
		// be popped)
		LUABIND_API void do_call_member_selection(lua_State* L, char const* name);
	}

	struct wrapped_self_t: weak_ref
	{
		detail::lua_reference m_strong_ref;
	};

	struct wrap_base
	{
		friend struct detail::wrap_access;
		wrap_base() {}

    #define BOOST_PP_ITERATION_PARAMS_1 (4, (0, LUABIND_MAX_ARITY, <luabind/wrapper_base.hpp>, 1))
	#include BOOST_PP_ITERATE()

	private:
		wrapped_self_t m_self;
	};

#define BOOST_PP_ITERATION_PARAMS_1 (4, (0, LUABIND_MAX_ARITY, <luabind/wrapper_base.hpp>, 2))
#include BOOST_PP_ITERATE()

	namespace detail
	{
		struct wrap_access
		{
			static wrapped_self_t const& ref(wrap_base const& b)
			{
				return b.m_self;
			}

			static wrapped_self_t& ref(wrap_base& b)
			{
				return b.m_self;
			}
		};
	}
}

#endif // LUABIND_WRAPPER_BASE_HPP_INCLUDED

#else
#if BOOST_PP_ITERATION_FLAGS() == 1

#define LUABIND_TUPLE_PARAMS(z, n, data) const A##n *
#define LUABIND_OPERATOR_PARAMS(z, n, data) const A##n & a##n

	template<class R BOOST_PP_COMMA_IF(BOOST_PP_ITERATION()) BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(), class A)>
		typename boost::mpl::if_<boost::is_void<R>
				, luabind::detail::proxy_member_void_caller<boost::tuples::tuple<BOOST_PP_ENUM(BOOST_PP_ITERATION(), LUABIND_TUPLE_PARAMS, _)> >
				, luabind::detail::proxy_member_caller<R, boost::tuples::tuple<BOOST_PP_ENUM(BOOST_PP_ITERATION(), LUABIND_TUPLE_PARAMS, _)> > >::type
				call(char const* name BOOST_PP_COMMA_IF(BOOST_PP_ITERATION()) BOOST_PP_ENUM(BOOST_PP_ITERATION(), LUABIND_OPERATOR_PARAMS, _), detail::type_<R>* = 0) const
		{
			typedef boost::tuples::tuple<BOOST_PP_ENUM(BOOST_PP_ITERATION(), LUABIND_TUPLE_PARAMS, _)> tuple_t;
	#if BOOST_PP_ITERATION() == 0
			tuple_t args;
	#else
			tuple_t args(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(), &a));
	#endif

			typedef typename boost::mpl::if_<boost::is_void<R>
				, luabind::detail::proxy_member_void_caller<boost::tuples::tuple<BOOST_PP_ENUM(BOOST_PP_ITERATION(), LUABIND_TUPLE_PARAMS, _)> >
				, luabind::detail::proxy_member_caller<R, boost::tuples::tuple<BOOST_PP_ENUM(BOOST_PP_ITERATION(), LUABIND_TUPLE_PARAMS, _)> > >::type proxy_type;

			// this will be cleaned up by the proxy object
			// once the call has been made

			// TODO: what happens if this virtual function is
			// dispatched from a lua thread where the state
			// pointer is different?

			// get the function
			lua_State* L = m_self.state();
			m_self.get(L);
			assert(!lua_isnil(L, -1));
			detail::do_call_member_selection(L, name);

			if (lua_isnil(L, -1))
			{
				lua_pop(L, 1);
				throw std::runtime_error("Attempt to call nonexistent function");
			}

			// push the self reference as the first parameter
			m_self.get(L);

			// now the function and self objects
			// are on the stack. These will both
			// be popped by pcall
			return proxy_type(L, args);
		}

#undef LUABIND_CALL_MEMBER_NAME
#undef LUABIND_OPERATOR_PARAMS
#undef LUABIND_TUPLE_PARAMS

#else // free call_member forwardarding functions

#define N BOOST_PP_ITERATION()

#define LUABIND_TUPLE_PARAMS(z, n, data) const A##n *
#define LUABIND_OPERATOR_PARAMS(z, n, data) const A##n & a##n

    template<
        class R 
        BOOST_PP_ENUM_TRAILING_PARAMS(N, class A)
    >
    typename boost::mpl::if_<
        boost::is_void<R>
      , detail::proxy_member_void_caller<
            boost::tuples::tuple<
                BOOST_PP_ENUM(N, LUABIND_TUPLE_PARAMS, _)
            >
        >
      , detail::proxy_member_caller<
            R
          , boost::tuples::tuple<
                BOOST_PP_ENUM(N, LUABIND_TUPLE_PARAMS, _)
            >
        >
    >::type
    call_member(
        wrap_base const* self
      , char const* fn
        BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(N, A, &a)
      , detail::type_<R>* = 0
    )
    {
        return self->call(
            fn
            BOOST_PP_ENUM_TRAILING_PARAMS(N, a)
         , (detail::type_<R>*)0
        );
    }

#undef LUABIND_OPERATOR_PARAMS
#undef LUABIND_TUPLE_PARAMS

#undef N

#endif
#endif