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使用qi :: grammar使用boost :: spirit :: qi :: phrase_parse（）時出錯

[英]Error when using boost::spirit::qi::phrase_parse() with a qi::grammar

 原文  2012-06-20 19:37:50  7   1    c++/ boost/ c++11/ boost-spirit/ boost-spirit-qi

問題描述

我正在使用Boost.Spirit進行IRC消息解析器，但是在嘗試解析輸入時出現了（很長）錯誤。 我遵循了“ 羅馬數字 ”示例。 另外，我將g++4.7與-std=c++11 。 僅當我在test.cpp上調用phrase_parse()時才會發生錯誤，而當我創建message_grammar的實例時則不會發生。

語法類為： 

class message_grammar : qi::grammar<std::string::const_iterator, std::string()>
{
public:
    message_grammar() : base_type(m_message)
    {   
        using qi::_val;
        using qi::_1;
        using boost::spirit::ascii::char_;
        using qi::lit;

        qi::rule<std::string::const_iterator, std::string()> alpha, graph, number, special, user,
            nick, chn, channel;

        alpha  = qi::as_string[qi::alpha];
        graph  = qi::as_string[qi::graph];
        number = qi::as_string[char_('0', '9')];
        chn    = qi::as_string[(char_('#') | char_('$'))];

        special = qi::as_string[
                char_('-') | char_('[') | char_(']') | char_('\\') 
            |   char_('`') | char_('^') | char_('{') | char_('}')
        ];

        user = (
                graph   [_val = std::string("USER%% ") + _1] 
            >>  *graph[_val += _1]
        );

        nick = (
                alpha[_val = std::string("NICK%% ") + _1]
            >>  
            *(
                    alpha           
                |   number
                |   special
            )[_val += _1]
        );

        channel = (
                chn                         [_val = std::string("CHAN%% ") + _1]
            >>  +(alpha | number | special) [_val += _1]
        );

        m_message = (
                nick    [_val = _1]
            >>  alpha   [_val += std::string(" ") + _1]
            >>  channel [_val += std::string(" ") + _1]
            >>  user    [_val += std::string(" ") + _1]
        );
    }


    qi::rule<std::string::const_iterator, std::string()> m_message;
};

測試功能為： 

int main()
{
    string str, parsed_str;
    getline(cin, str);

    irc::message_grammar grammar;

    auto it = str.begin();
    auto end = str.end();

    bool ok = qi::phrase_parse(it, end, 
        grammar
    , qi::space, parsed_str);

    if (ok && it == end) {
        cout << "OK" << endl;
        cout << parsed_str << endl;
    }
    else {
        cout << "NO " << ok << endl;
    }
}

和錯誤消息： 

murilo@mac:cleverbot$ g++-mp-4.7 -std=c++11 test.cpp -Wall
In file included from /opt/local/include/boost/proto/core.hpp:23:0,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/domain.hpp: In instantiation of 'struct boost::proto::domainns_::domain<>::as_expr<irc::message_grammar>':
/opt/local/include/boost/proto/traits.hpp:266:71:   required from 'struct boost::proto::result_of::as_expr<irc::message_grammar, boost::proto::domainns_::default_domain>'
/opt/local/include/boost/spirit/home/support/meta_compiler.hpp:221:16:   required from 'struct boost::spirit::traits::matches<boost::spirit::qi::domain, irc::message_grammar>'
/opt/local/include/boost/spirit/home/qi/parse.hpp:155:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, boost::spirit::qi::skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<char*, std::basic_string<char> >; Expr = irc::message_grammar; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::standard> >, 0l>; Attr = std::basic_string<char>]'
/opt/local/include/boost/spirit/home/qi/parse.hpp:197:86:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<char*, std::basic_string<char> >; Expr = irc::message_grammar; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::standard> >, 0l>; Attr = std::basic_string<char>]'
test.cpp:20:25:   required from here
/opt/local/include/boost/proto/extends.hpp:551:13: error: 'typedef void boost::proto::exprns_::extends<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::spirit::unused_type, boost::spirit::unused_type, boost::spirit::unused_type> > >, 0l>, boost::spirit::qi::grammar<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>()>, boost::proto::domainns_::default_domain, 0l>::proto_is_expr_' is inaccessible
In file included from /opt/local/include/boost/proto/traits.hpp:32:0,
                 from /opt/local/include/boost/proto/expr.hpp:27,
                 from /opt/local/include/boost/proto/core.hpp:17,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/domain.hpp:141:13: error: within this context
In file included from /opt/local/include/boost/proto/core.hpp:23:0,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/extends.hpp:551:13: error: 'typedef void boost::proto::exprns_::extends<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::spirit::unused_type, boost::spirit::unused_type, boost::spirit::unused_type> > >, 0l>, boost::spirit::qi::grammar<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>()>, boost::proto::domainns_::default_domain, 0l>::proto_is_expr_' is inaccessible
In file included from /opt/local/include/boost/proto/traits.hpp:32:0,
                 from /opt/local/include/boost/proto/expr.hpp:27,
                 from /opt/local/include/boost/proto/core.hpp:17,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/domain.hpp:141:13: error: within this context
In file included from /opt/local/include/boost/proto/core.hpp:23:0,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/extends.hpp:551:13: error: 'typedef void boost::proto::exprns_::extends<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::spirit::unused_type, boost::spirit::unused_type, boost::spirit::unused_type> > >, 0l>, boost::spirit::qi::grammar<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>()>, boost::proto::domainns_::default_domain, 0l>::proto_is_expr_' is inaccessible
In file included from /opt/local/include/boost/proto/traits.hpp:32:0,
                 from /opt/local/include/boost/proto/expr.hpp:27,
                 from /opt/local/include/boost/proto/core.hpp:17,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/domain.hpp:142:17: error: within this context
In file included from /opt/local/include/boost/proto/core.hpp:23:0,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/extends.hpp:551:13: error: 'typedef void boost::proto::exprns_::extends<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::spirit::unused_type, boost::spirit::unused_type, boost::spirit::unused_type> > >, 0l>, boost::spirit::qi::grammar<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>()>, boost::proto::domainns_::default_domain, 0l>::proto_is_expr_' is inaccessible
In file included from /opt/local/include/boost/proto/traits.hpp:32:0,
                 from /opt/local/include/boost/proto/expr.hpp:27,
                 from /opt/local/include/boost/proto/core.hpp:17,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/domain.hpp:143:56: error: within this context
In file included from /opt/local/include/boost/proto/core.hpp:23:0,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/extends.hpp:551:13: error: 'typedef void boost::proto::exprns_::extends<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::spirit::unused_type, boost::spirit::unused_type, boost::spirit::unused_type> > >, 0l>, boost::spirit::qi::grammar<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>()>, boost::proto::domainns_::default_domain, 0l>::proto_is_expr_' is inaccessible
In file included from /opt/local/include/boost/proto/traits.hpp:32:0,
                 from /opt/local/include/boost/proto/expr.hpp:27,
                 from /opt/local/include/boost/proto/core.hpp:17,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/domain.hpp:146:29: error: within this context
In file included from /opt/local/include/boost/proto/core.hpp:23:0,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/extends.hpp:551:13: error: 'typedef void boost::proto::exprns_::extends<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::spirit::unused_type, boost::spirit::unused_type, boost::spirit::unused_type> > >, 0l>, boost::spirit::qi::grammar<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>()>, boost::proto::domainns_::default_domain, 0l>::proto_is_expr_' is inaccessible
In file included from /opt/local/include/boost/proto/traits.hpp:32:0,
                 from /opt/local/include/boost/proto/expr.hpp:27,
                 from /opt/local/include/boost/proto/core.hpp:17,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/domain.hpp:146:29: error: within this context
In file included from /opt/local/include/boost/proto/core.hpp:23:0,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/extends.hpp:551:13: error: 'typedef void boost::proto::exprns_::extends<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::spirit::unused_type, boost::spirit::unused_type, boost::spirit::unused_type> > >, 0l>, boost::spirit::qi::grammar<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>()>, boost::proto::domainns_::default_domain, 0l>::proto_is_expr_' is inaccessible
In file included from /opt/local/include/boost/proto/traits.hpp:32:0,
                 from /opt/local/include/boost/proto/expr.hpp:27,
                 from /opt/local/include/boost/proto/core.hpp:17,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/domain.hpp:146:46: error: within this context
In file included from /opt/local/include/boost/proto/core.hpp:23:0,
                 from /opt/local/include/boost/proto/proto.hpp:12,
                 from /opt/local/include/boost/spirit/home/support/meta_compiler.hpp:19,
                 from /opt/local/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi/action.hpp:14,
                 from /opt/local/include/boost/spirit/home/qi.hpp:14,
                 from /opt/local/include/boost/spirit/include/qi.hpp:16,
                 from ircparser.h:6,
                 from test.cpp:1:
/opt/local/include/boost/proto/matches.hpp: In instantiation of 'struct boost::proto::matches<irc::message_grammar, boost::spirit::meta_compiler<boost::spirit::qi::domain>::meta_grammar>':
/opt/local/include/boost/spirit/home/support/meta_compiler.hpp:221:16:   required from 'struct boost::spirit::traits::matches<boost::spirit::qi::domain, irc::message_grammar>'
/opt/local/include/boost/spirit/home/qi/parse.hpp:155:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, boost::spirit::qi::skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<char*, std::basic_string<char> >; Expr = irc::message_grammar; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::standard> >, 0l>; Attr = std::basic_string<char>]'
/opt/local/include/boost/spirit/home/qi/parse.hpp:197:86:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<char*, std::basic_string<char> >; Expr = irc::message_grammar; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::standard> >, 0l>; Attr = std::basic_string<char>]'
test.cpp:20:25:   required from here
/opt/local/include/boost/proto/extends.hpp:551:13: error: 'typedef struct boost::spirit::qi::grammar<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>()> boost::proto::exprns_::extends<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::spirit::unused_type, boost::spirit::unused_type, boost::spirit::unused_type> > >, 0l>, boost::spirit::qi::grammar<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>()>, boost::proto::domainns_::default_domain, 0l>::proto_derived_expr' is inaccessible

1 個解決方案

解決方案1
 7 已采納  2012-06-20 20:26:13

您應該將message_grammar聲明為結構而不是類。 另外，您可以從qi::grammar公開派生您的課程： 

class message_grammar : public qi::grammar<std::string::const_iterator, std::string()>
{
}

您可能還會發現本文很有用。

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