Exemplo n.º 1
0
BOOST_WAVE_CHLITGRAMMAR_GEN_INLINE 
unsigned int
chlit_grammar_gen<TokenT>::evaluate(TokenT const &token)
{
    using namespace boost::spirit;
    
chlit_grammar g;
boost::uint32_t result = 0;
typename TokenT::string_type const &token_val = token.get_value();
parse_info<typename TokenT::string_type::const_iterator> hit =
    parse(token_val.begin(), token_val.end(), g[spirit_assign_actor(result)]);

    if (!hit.hit) {
        BOOST_WAVE_THROW(preprocess_exception, ill_formed_character_literal, 
            token_val.c_str(), token.get_position());
    }
    else {
    // range check
        if ('L' == token_val[0]) {
        // recognised wide character
            if (g.overflow || 
                result > (unsigned long)(std::numeric_limits<wchar_t>::max)()) 
            {
            // out of range
                BOOST_WAVE_THROW(preprocess_exception, 
                    character_literal_out_of_range, 
                    token_val.c_str(), token.get_position());
            }
        }
        else {
        // recognised narrow ('normal') character
            if (g.overflow || 
                result > (unsigned long)(std::numeric_limits<unsigned char>::max)()) 
            {
            // out of range
                BOOST_WAVE_THROW(preprocess_exception, 
                    character_literal_out_of_range, 
                    token_val.c_str(), token.get_position());
            }
        }
    }
    return result;
}
    bool 
    expanding_object_like_macro(ContextT const& ctx,
        TokenT const &macrodef, ContainerT const &definition, 
        TokenT const &macrocall)
    {
        if (enabled_macro_counting())
            count_invocation(macrodef.get_value().c_str());

        if (!enabled_macro_tracing()) 
            return false;
#endif
        if (0 == get_level()) {
        // output header line
        BOOST_WAVE_OSSTREAM stream;

            stream 
                << macrocall.get_position() << ": "
                << macrocall.get_value() << std::endl;
            output(BOOST_WAVE_GETSTRING(stream));
            increment_level();
        }

    // output definition reference
        {
        BOOST_WAVE_OSSTREAM stream;

            stream 
                << macrodef.get_position() << ": see macro definition: "
                << macrodef.get_value() << std::endl;
            output(BOOST_WAVE_GETSTRING(stream));
        }
        open_trace_body();

#if BOOST_WAVE_USE_DEPRECIATED_PREPROCESSING_HOOKS == 0
        return false;
#endif
    }
    void
    detected_pragma_once(ContextT const& ctx, TokenT const& pragma_token,
        std::string filename) 
    {
        using boost::wave::util::impl::escape_lit;

#if defined(BOOST_WINDOWS)
        filename = replace_slashes(filename);
#endif

        BOOST_WAVETEST_OSSTREAM strm;
        strm << "20: " << repr(pragma_token.get_position()) << ": " 
             << pragma_token.get_value() << ": " 
             << escape_lit(filename) << std::endl;
        hooks_trace += BOOST_WAVETEST_GETSTRING(strm);
    }
BOOST_WAVE_INTLITGRAMMAR_GEN_INLINE
uint_literal_type
intlit_grammar_gen<TokenT>::evaluate(TokenT const &token,
    bool &is_unsigned)
{
    using namespace boost::spirit::classic;

intlit_grammar g(is_unsigned);
uint_literal_type result = 0;
typename TokenT::string_type const &token_val = token.get_value();
parse_info<typename TokenT::string_type::const_iterator> hit =
    parse(token_val.begin(), token_val.end(), g[spirit_assign_actor(result)]);

    if (!hit.hit) {
        BOOST_WAVE_THROW(preprocess_exception, ill_formed_integer_literal,
            token_val.c_str(), token.get_position());
    }
    return result;
}
    bool 
    expanding_function_like_macro(ContextT const& ctx,
        TokenT const &macrodef, std::vector<TokenT> const &formal_args, 
        ContainerT const &definition,
        TokenT const &macrocall, std::vector<ContainerT> const &arguments,
        IteratorT const& seqstart, IteratorT const& seqend) 
    {
        if (enabled_macro_counting())
            count_invocation(macrodef.get_value().c_str());

        if (!enabled_macro_tracing()) 
            return false;
#endif
        if (0 == get_level()) {
        // output header line
        BOOST_WAVE_OSSTREAM stream;

            stream 
                << macrocall.get_position() << ": "
                << macrocall.get_value() << "(";

        // argument list
            for (typename ContainerT::size_type i = 0; i < arguments.size(); ++i) {
                stream << boost::wave::util::impl::as_string(arguments[i]);
                if (i < arguments.size()-1)
                    stream << ", ";
            }
            stream << ")" << std::endl; 
            output(BOOST_WAVE_GETSTRING(stream));
            increment_level();
        }

    // output definition reference
        {
        BOOST_WAVE_OSSTREAM stream;

            stream 
                << macrodef.get_position() << ": see macro definition: "
                << macrodef.get_value() << "(";

        // formal argument list
            for (typename std::vector<TokenT>::size_type i = 0; 
                i < formal_args.size(); ++i) 
            {
                stream << formal_args[i].get_value();
                if (i < formal_args.size()-1)
                    stream << ", ";
            }
            stream << ")" << std::endl; 
            output(BOOST_WAVE_GETSTRING(stream));
        }

        if (formal_args.size() > 0) {
        // map formal and real arguments
            open_trace_body("invoked with\n");
            for (typename std::vector<TokenT>::size_type j = 0; 
                j < formal_args.size(); ++j) 
            {
                using namespace boost::wave;

                BOOST_WAVE_OSSTREAM stream;
                stream << formal_args[j].get_value() << " = ";
#if BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0
                if (T_ELLIPSIS == token_id(formal_args[j])) {
                // ellipsis
                    for (typename ContainerT::size_type k = j; 
                        k < arguments.size(); ++k) 
                    {
                        stream << boost::wave::util::impl::as_string(arguments[k]);
                        if (k < arguments.size()-1)
                            stream << ", ";
                    }
                } 
                else 
#endif
                {
                    stream << boost::wave::util::impl::as_string(arguments[j]);
                }
                stream << std::endl;
                output(BOOST_WAVE_GETSTRING(stream));
            }
            close_trace_body();
        }
        open_trace_body();

#if BOOST_WAVE_USE_DEPRECIATED_PREPROCESSING_HOOKS == 0
        return false;
#endif
    }