Description of problem:

When compiling with -Wshadow I get complaints. The error messages, and the code
fixes are shown below.

Additional info:

/usr/include/boost/spirit/core/non_terminal/impl/rule.ipp:227: warning:
declaration of 'p' shadows a member of 'this'

BEFORE:
            concrete_parser(ParserT const& p) : p(p) {}

AFTER:
            concrete_parser(ParserT const& p_) : p(p_) {}



/usr/include/boost/spirit/core/impl/match.ipp:24: warning: declaration of
'length' shadows a member of 'this'

BEFORE:
    template <typename T>
    inline match<T>::match(std::size_t length, ctor_param_t val_)
    : len(length), val(val_) {}

AFTER:
    template <typename T>
    inline match<T>::match(std::size_t length_, ctor_param_t val_)
    : len(length_), val(val_) {}



/usr/include/boost/spirit/core/scanner/scanner.hpp:243: warning: declaration of
'iteration_policy_t' shadows a member of 'this'

From line 240, BEFORE:
        bool
        at_end() const
        {
            typedef typename PoliciesT::iteration_policy_t iteration_policy_t;
            return iteration_policy_t::at_end(*this);
        }

        value_t
        operator*() const
        {
            typedef typename PoliciesT::iteration_policy_t iteration_policy_t;
            return iteration_policy_t::filter(iteration_policy_t::get(*this));
        }

        scanner const&
        operator++() const
        {
            typedef typename PoliciesT::iteration_policy_t iteration_policy_t;
            iteration_policy_t::advance(*this);
            return *this;
        }


AFTER:
        bool
        at_end() const
        {
            return PoliciesT::iteration_policy_t::at_end(*this);
        }

        value_t
        operator*() const
        {
            return
PoliciesT::iteration_policy_t::filter(PoliciesT::iteration_policy_t::get(*this));
        }

        scanner const&
        operator++() const
        {
            PoliciesT::iteration_policy_t::advance(*this);
            return *this;
        }