add boost on mac

macx64/include/boost/spirit/home/classic/dynamic/impl/select.ipp

@@ -0,0 +1,120 @@
+/*=============================================================================
+    Copyright (c) 2003 Hartmut Kaiser
+    http://spirit.sourceforge.net/
+
+    Use, modification and distribution is subject to 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 BOOST_SPIRIT_SELECT_IPP
+#define BOOST_SPIRIT_SELECT_IPP
+
+#include <boost/spirit/home/classic/core/parser.hpp>
+#include <boost/spirit/home/classic/core/composite/composite.hpp>
+#include <boost/spirit/home/classic/meta/as_parser.hpp>
+
+///////////////////////////////////////////////////////////////////////////////
+namespace boost { namespace spirit {
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
+
+///////////////////////////////////////////////////////////////////////////////
+namespace impl {
+
+///////////////////////////////////////////////////////////////////////////////
+template <typename ParserT>
+struct as_embedded_parser : public as_parser<ParserT>
+{
+    typedef typename as_parser<ParserT>::type::derived_t::embed_t type;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+// no implementation here to catch unknown BehaviourT template arguments
+template <typename ResultT, typename BehaviourT>
+struct select_match_gen;
+
+// implementation for the select_default_no_fail behaviour
+template <typename ResultT>
+struct select_match_gen<ResultT, select_default_no_fail> {
+
+    template <typename ScannerT>
+    static ResultT
+    do_ (ScannerT const &scan)
+    {
+        return scan.create_match(0, -1, scan.first, scan.first);
+    }
+};
+
+// implementation for the select_default_fail behaviour
+template <typename ResultT>
+struct select_match_gen<ResultT, select_default_fail> {
+
+    template <typename ScannerT>
+    static ResultT
+    do_ (ScannerT const &scan)
+    {
+        return scan.no_match();
+    }
+};
+
+///////////////////////////////////////////////////////////////////////////////
+template <int N, typename ResultT, typename TupleT, typename BehaviourT>
+struct parse_tuple_element {
+
+    BOOST_STATIC_CONSTANT(int, index = (TupleT::length - N));
+    
+    template <typename ScannerT>
+    static ResultT
+    do_(TupleT const &t, ScannerT const &scan)
+    {
+        typedef typename ::phoenix::tuple_element<index, TupleT>::type parser_t;
+        typedef typename ScannerT::iterator_t                       iterator_t;
+        typedef typename parser_result<parser_t, ScannerT>::type    result_t;
+    
+    iterator_t save(scan.first);
+    result_t result(t[::phoenix::tuple_index<index>()].parse(scan));
+
+        if (result) {
+            return scan.create_match(result.length(), TupleT::length - N, 
+                save, scan.first);
+        }
+        scan.first = save;    // reset the input stream 
+        return parse_tuple_element<N-1, ResultT, TupleT, BehaviourT>::
+            do_(t, scan);
+    }
+};
+
+template <typename ResultT, typename TupleT, typename BehaviourT>
+struct parse_tuple_element<1, ResultT, TupleT, BehaviourT> {
+
+    BOOST_STATIC_CONSTANT(int, index = (TupleT::length - 1));
+    
+    template <typename ScannerT>
+    static ResultT
+    do_(TupleT const &t, ScannerT const &scan)
+    {
+        typedef typename ::phoenix::tuple_element<index, TupleT>::type  parser_t;
+        typedef typename ScannerT::iterator_t                       iterator_t;
+        typedef typename parser_result<parser_t, ScannerT>::type    result_t;
+        
+    iterator_t save(scan.first);
+    result_t result(t[::phoenix::tuple_index<index>()].parse(scan));
+
+        if (result) {
+            return scan.create_match(result.length(), TupleT::length - 1, 
+                save, scan.first);
+        }
+        scan.first = save;    // reset the input stream 
+        return select_match_gen<ResultT, BehaviourT>::do_(scan);
+    }
+};
+
+///////////////////////////////////////////////////////////////////////////////
+}   // namespace impl
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_END
+
+}}  // namespace boost::spirit
+
+#endif  // BOOST_SPIRIT_SELECT_IPP