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    copied!<p>Like I commented, you need to use <code>qi::_r1</code> and <code>qi::_r2</code>, the placeholders for <a href="http://www.boost.org/doc/libs/1_55_0/libs/spirit/doc/html/spirit/qi/reference/parser_concepts/nonterminal.html#spirit.qi.reference.parser_concepts.nonterminal._code__phrase_role__identifier___r1__phrase___code_______code__phrase_role__identifier__r10__phrase___code_" rel="nofollow"><em>inherited attributes</em></a><sup>[1]</sup>.</p> <p>For the rest I can assume things (as your code is incomplete and slightly unclear to me due to a non-standard approach):</p> <ul> <li>you probably want <code>ascii::blank_type</code> as the skipper, since otherwise <code>lit('\n')</code> would never match (unless with <code>no_skip[]</code> or <code>lexeme[]</code>).</li> <li><p>you have to take care to call the parser with an actual <code>CharType const*</code>, not a <code>CharType const (&amp;)[]</code>. The latter happens if you call it with e.g. <code>parser("name", 'a')</code>. Instead, either </p> <ul> <li>introduce a temporary variable</li> <li>a cast</li> <li>implicitely decay using e.g. <code>+"name"</code></li> </ul></li> </ul> <p>I've made up an example and it succeeds, see it <strong><a href="http://coliru.stacked-crooked.com/a/9821f9d05a44f5a3" rel="nofollow">Live on Coliru</a></strong></p> <p>Full code:</p> <pre><code>#define BOOST_SPIRIT_USE_PHOENIX_V3 #include &lt;boost/fusion/adapted.hpp&gt; #include &lt;boost/spirit/include/qi.hpp&gt; namespace qi = boost::spirit::qi; namespace ascii = boost::spirit::ascii; template &lt;typename StreamIterator, typename CharType=char&gt; struct json_start_elem_grammar_object : qi::grammar&lt;StreamIterator, void(const CharType*, CharType), ascii::blank_type&gt; { json_start_elem_grammar_object() : json_start_elem_grammar_object::base_type(start_elem, "start_elem") { using namespace qi; _r1_type _name; // prefer descriptive names _r2_type _preamble; start_elem = '"' &gt; lit(_name) &gt; '"' &gt; ':' &gt; lit(_preamble) &gt; -lit('\n') ; } qi::rule&lt;StreamIterator, void(const CharType*, CharType), ascii::blank_type&gt; start_elem; }; bool doParse(const std::string&amp; input) { typedef std::string::const_iterator It; auto f(begin(input)), l(end(input)); json_start_elem_grammar_object&lt;It&gt; p; try { bool ok = qi::phrase_parse(f, l, p(+"lol", 'q'), ascii::blank); if (ok) { std::cout &lt;&lt; "parse success\n"; } else std::cerr &lt;&lt; "parse failed: '" &lt;&lt; std::string(f,l) &lt;&lt; "'\n"; if (f!=l) std::cerr &lt;&lt; "trailing unparsed: '" &lt;&lt; std::string(f,l) &lt;&lt; "'\n"; return ok; } catch(const qi::expectation_failure&lt;It&gt;&amp; e) { std::string frag(e.first, e.last); std::cerr &lt;&lt; e.what() &lt;&lt; "'" &lt;&lt; frag &lt;&lt; "'\n"; } return false; } int main() { bool ok = doParse("\"lol\" : q\n"); return ok? 0 : 255; } </code></pre> <hr> <p><sup>[1]</sup> See also</p> <ul> <li>documentation for <a href="http://boost-spirit.com/home/articles/attribute_handling/the-magical-power-of-attributes-in-spirit-directives-and-non-terminals/" rel="nofollow">non-terminals</a></li> <li>the <a href="http://www.boost.org/doc/libs/1_55_0/libs/spirit/doc/html/spirit/qi/tutorials/mini_xml___asts_.html#spirit.qi.tutorials.mini_xml___asts_.inherited_attribute" rel="nofollow">mini-xml example from the tutorial</a></li> </ul>
 

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