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Diffstat (limited to '3rdParty/Boost/src/boost/spirit/home/phoenix/scope/local_variable.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/spirit/home/phoenix/scope/local_variable.hpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/phoenix/scope/local_variable.hpp b/3rdParty/Boost/src/boost/spirit/home/phoenix/scope/local_variable.hpp new file mode 100644 index 0000000..5987ed4 --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/phoenix/scope/local_variable.hpp @@ -0,0 +1,111 @@ +/*============================================================================= + Copyright (c) 2001-2007 Joel de Guzman + Copyright (c) 2004 Daniel Wallin + + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +==============================================================================*/ +#ifndef PHOENIX_SCOPE_LOCAL_VARIABLE_HPP +#define PHOENIX_SCOPE_LOCAL_VARIABLE_HPP + +#include <boost/spirit/home/phoenix/core/limits.hpp> +#include <boost/spirit/home/phoenix/detail/local_reference.hpp> +#include <boost/spirit/home/phoenix/scope/detail/local_variable.hpp> +#include <boost/spirit/home/phoenix/core/actor.hpp> +#include <boost/mpl/bool.hpp> + +namespace boost { namespace phoenix +{ + template <typename Key> + struct local_variable + { + typedef Key key_type; + + // This will prevent actor::operator()() from kicking in. + // Actually, we do not need all actor::operator()s for + // all arities, but this will suffice. The nullary + // actor::operator() is particularly troublesome because + // it is always eagerly evaluated by the compiler. + typedef mpl::true_ no_nullary; + + template <typename Env> + struct result : detail::apply_local<local_variable<Key>, Env> {}; + + template <typename Env> + typename result<Env>::type + eval(Env const& env) const + { + typedef typename result<Env>::type return_type; + typedef typename + detail::get_index<typename Env::map_type, Key>::type + index_type; + typedef detail::eval_local<Key> eval_local; + + return eval_local::template get<return_type>( + env + , index_type()); + } + + private: + // silence MSVC warning C4512: assignment operator could not be generated + local_variable& operator= (local_variable const&); + }; + + namespace local_names + { + actor<local_variable<struct _a_key> > const _a + = local_variable<struct _a_key>(); + actor<local_variable<struct _b_key> > const _b + = local_variable<struct _b_key>(); + actor<local_variable<struct _c_key> > const _c + = local_variable<struct _c_key>(); + actor<local_variable<struct _d_key> > const _d + = local_variable<struct _d_key>(); + actor<local_variable<struct _e_key> > const _e + = local_variable<struct _e_key>(); + actor<local_variable<struct _f_key> > const _f + = local_variable<struct _f_key>(); + actor<local_variable<struct _g_key> > const _g + = local_variable<struct _g_key>(); + actor<local_variable<struct _h_key> > const _h + = local_variable<struct _h_key>(); + actor<local_variable<struct _i_key> > const _i + = local_variable<struct _i_key>(); + actor<local_variable<struct _j_key> > const _j + = local_variable<struct _j_key>(); + actor<local_variable<struct _k_key> > const _k + = local_variable<struct _k_key>(); + actor<local_variable<struct _l_key> > const _l + = local_variable<struct _l_key>(); + actor<local_variable<struct _m_key> > const _m + = local_variable<struct _m_key>(); + actor<local_variable<struct _n_key> > const _n + = local_variable<struct _n_key>(); + actor<local_variable<struct _o_key> > const _o + = local_variable<struct _o_key>(); + actor<local_variable<struct _p_key> > const _p + = local_variable<struct _p_key>(); + actor<local_variable<struct _q_key> > const _q + = local_variable<struct _q_key>(); + actor<local_variable<struct _r_key> > const _r + = local_variable<struct _r_key>(); + actor<local_variable<struct _s_key> > const _s + = local_variable<struct _s_key>(); + actor<local_variable<struct _t_key> > const _t + = local_variable<struct _t_key>(); + actor<local_variable<struct _u_key> > const _u + = local_variable<struct _u_key>(); + actor<local_variable<struct _v_key> > const _v + = local_variable<struct _v_key>(); + actor<local_variable<struct _w_key> > const _w + = local_variable<struct _w_key>(); + actor<local_variable<struct _x_key> > const _x + = local_variable<struct _x_key>(); + actor<local_variable<struct _y_key> > const _y + = local_variable<struct _y_key>(); + actor<local_variable<struct _z_key> > const _z + = local_variable<struct _z_key>(); + } +}} + +#endif |