comparison DEPENDENCIES/generic/include/boost/spirit/home/support/context.hpp @ 16:2665513ce2d3

Add boost headers

+/*=============================================================================
+    Copyright (c) 2001-2011 Joel de Guzman
+    Copyright (c) 2001-2011 Hartmut Kaiser
+    Copyright (c)      2011 Thomas Heller
+
+    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)
+==============================================================================*/
+#if !defined(BOOST_SPIRIT_CONTEXT_OCTOBER_31_2008_0654PM)
+#define BOOST_SPIRIT_CONTEXT_OCTOBER_31_2008_0654PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/preprocessor/repetition/repeat_from_to.hpp>
+#include <boost/spirit/include/phoenix_core.hpp>
+#include <boost/spirit/home/support/nonterminal/expand_arg.hpp>
+#include <boost/spirit/home/support/assert_msg.hpp>
+#include <boost/spirit/home/support/argument.hpp>
+#include <boost/spirit/home/support/limits.hpp>
+#include <boost/fusion/include/at.hpp>
+#include <boost/fusion/include/size.hpp>
+#include <boost/fusion/include/as_list.hpp>
+#include <boost/fusion/include/transform.hpp>
+#include <boost/mpl/size.hpp>
+#include <boost/mpl/at.hpp>
+
+///////////////////////////////////////////////////////////////////////////////
+#ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
+
+#define SPIRIT_DECLARE_ATTRIBUTE(z, n, data)                                   \
+    typedef phoenix::actor<attribute<n> >                                      \
+        BOOST_PP_CAT(BOOST_PP_CAT(_r, n), _type);                              \
+    phoenix::actor<attribute<n> > const                                        \
+        BOOST_PP_CAT(_r, n) = BOOST_PP_CAT(BOOST_PP_CAT(_r, n), _type)();
+    /***/
+#define SPIRIT_USING_ATTRIBUTE(z, n, data)                                     \
+    using spirit::BOOST_PP_CAT(BOOST_PP_CAT(_r, n), _type);                    \
+    using spirit::BOOST_PP_CAT(_r, n);                                         \
+    /***/
+
+#else
+
+#define SPIRIT_DECLARE_ATTRIBUTE(z, n, data)                                   \
+    typedef phoenix::actor<attribute<n> >                                      \
+        BOOST_PP_CAT(BOOST_PP_CAT(_r, n), _type);                              \
+    /***/
+#define SPIRIT_USING_ATTRIBUTE(z, n, data)                                     \
+    using spirit::BOOST_PP_CAT(BOOST_PP_CAT(_r, n), _type);                    \
+    /***/
+
+#endif
+
+namespace boost { namespace spirit
+{
+    template <int>
+    struct attribute;
+
+    template <int>
+    struct local_variable;
+}}
+
+BOOST_PHOENIX_DEFINE_CUSTOM_TERMINAL(
+    template <int N>
+  , boost::spirit::attribute<N>
+  , mpl::false_                 // is not nullary
+  , v2_eval(
+        proto::make<
+            boost::spirit::attribute<N>()
+        >
+      , proto::call<
+            functional::env(proto::_state)
+        >
+    )
+)
+
+BOOST_PHOENIX_DEFINE_CUSTOM_TERMINAL(
+    template <int N>
+  , boost::spirit::local_variable<N>
+  , mpl::false_                 // is not nullary
+  , v2_eval(
+        proto::make<
+            boost::spirit::local_variable<N>()
+        >
+      , proto::call<
+            functional::env(proto::_state)
+        >
+    )
+)
+
+namespace boost { namespace spirit
+{
+    template <typename Attributes, typename Locals>
+    struct context
+    {
+        typedef Attributes attributes_type;
+        typedef Locals locals_type;
+
+        context(typename Attributes::car_type attribute)
+          : attributes(attribute, fusion::nil()), locals() {}
+
+        template <typename Args, typename Context>
+        context(
+            typename Attributes::car_type attribute
+          , Args const& args
+          , Context& caller_context
+        ) : attributes(
+                attribute
+              , fusion::as_list(
+                    fusion::transform(
+                        args
+                      , detail::expand_arg<Context>(caller_context)
+                    )
+                )
+            )
+          , locals() {}
+
+        context(Attributes const& attributes_)
+          : attributes(attributes_), locals() {}
+
+        Attributes attributes;  // The attributes
+        Locals locals;          // Local variables
+    };
+
+    template <typename Context>
+    struct attributes_of
+    {
+        typedef typename Context::attributes_type type;
+    };
+
+    template <typename Context>
+    struct attributes_of<Context const>
+    {
+        typedef typename Context::attributes_type const type;
+    };
+
+    template <typename Context>
+    struct attributes_of<Context &>
+      : attributes_of<Context>
+    {};
+
+    template <typename Context>
+    struct locals_of
+    {
+        typedef typename Context::locals_type type;
+    };
+
+    template <typename Context>
+    struct locals_of<Context const>
+    {
+        typedef typename Context::locals_type const type;
+    };
+
+    template <typename Context>
+    struct locals_of<Context &>
+    {
+        typedef typename Context::locals_type type;
+    };
+
+    template <int N>
+    struct attribute
+    {
+        typedef mpl::true_ no_nullary;
+
+        template <typename Env>
+        struct result
+        {
+            typedef typename
+                attributes_of<typename
+                    mpl::at_c<typename Env::args_type, 1>::type
+                >::type
+            attributes_type;
+
+            typedef typename
+                fusion::result_of::size<attributes_type>::type
+            attributes_size;
+
+            // report invalid argument not found (N is out of bounds)
+            BOOST_SPIRIT_ASSERT_MSG(
+                (N < attributes_size::value),
+                index_is_out_of_bounds, ());
+
+            typedef typename
+                fusion::result_of::at_c<attributes_type, N>::type
+            type;
+        };
+
+        template <typename Env>
+        typename result<Env>::type
+        eval(Env const& env) const
+        {
+            return fusion::at_c<N>((fusion::at_c<1>(env.args())).attributes);
+        }
+    };
+
+    template <int N>
+    struct local_variable
+    {
+        typedef mpl::true_ no_nullary;
+
+        template <typename Env>
+        struct result
+        {
+            typedef typename
+                locals_of<typename
+                    mpl::at_c<typename Env::args_type, 1>::type
+                >::type
+            locals_type;
+
+            typedef typename
+                fusion::result_of::size<locals_type>::type
+            locals_size;
+
+            // report invalid argument not found (N is out of bounds)
+            BOOST_SPIRIT_ASSERT_MSG(
+                (N < locals_size::value),
+                index_is_out_of_bounds, ());
+
+            typedef typename
+                fusion::result_of::at_c<locals_type, N>::type
+            type;
+        };
+
+        template <typename Env>
+        typename result<Env>::type
+        eval(Env const& env) const
+        {
+            return get_arg<N>((fusion::at_c<1>(env.args())).locals);
+        }
+    };
+    
+    typedef phoenix::actor<attribute<0> > _val_type;
+    typedef phoenix::actor<attribute<0> > _r0_type;
+    typedef phoenix::actor<attribute<1> > _r1_type;
+    typedef phoenix::actor<attribute<2> > _r2_type;
+
+#ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
+    // _val refers to the 'return' value of a rule (same as _r0)
+    // _r1, _r2, ... refer to the rule arguments
+    _val_type const _val = _val_type();
+    _r0_type const _r0 = _r0_type();
+    _r1_type const _r1 = _r1_type();
+    _r2_type const _r2 = _r2_type();
+#endif
+
+    //  Bring in the rest of the attributes (_r4 .. _rN+1), using PP
+    BOOST_PP_REPEAT_FROM_TO(
+        3, SPIRIT_ATTRIBUTES_LIMIT, SPIRIT_DECLARE_ATTRIBUTE, _)
+
+    typedef phoenix::actor<local_variable<0> > _a_type;
+    typedef phoenix::actor<local_variable<1> > _b_type;
+    typedef phoenix::actor<local_variable<2> > _c_type;
+    typedef phoenix::actor<local_variable<3> > _d_type;
+    typedef phoenix::actor<local_variable<4> > _e_type;
+    typedef phoenix::actor<local_variable<5> > _f_type;
+    typedef phoenix::actor<local_variable<6> > _g_type;
+    typedef phoenix::actor<local_variable<7> > _h_type;
+    typedef phoenix::actor<local_variable<8> > _i_type;
+    typedef phoenix::actor<local_variable<9> > _j_type;
+
+#ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
+    // _a, _b, ... refer to the local variables of a rule
+    _a_type const _a = _a_type();
+    _b_type const _b = _b_type();
+    _c_type const _c = _c_type();
+    _d_type const _d = _d_type();
+    _e_type const _e = _e_type();
+    _f_type const _f = _f_type();
+    _g_type const _g = _g_type();
+    _h_type const _h = _h_type();
+    _i_type const _i = _i_type();
+    _j_type const _j = _j_type();
+#endif
+
+    // You can bring these in with the using directive
+    // without worrying about bringing in too much.
+    namespace labels
+    {
+        BOOST_PP_REPEAT(SPIRIT_ARGUMENTS_LIMIT, SPIRIT_USING_ARGUMENT, _)
+        BOOST_PP_REPEAT(SPIRIT_ATTRIBUTES_LIMIT, SPIRIT_USING_ATTRIBUTE, _)
+
+#ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
+        using spirit::_val;
+        using spirit::_a;
+        using spirit::_b;
+        using spirit::_c;
+        using spirit::_d;
+        using spirit::_e;
+        using spirit::_f;
+        using spirit::_g;
+        using spirit::_h;
+        using spirit::_i;
+        using spirit::_j;
+#endif
+    }
+}}
+
+#endif