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| author | Kevin Smith <git@kismith.co.uk> | 2013-01-12 18:41:34 (GMT) |
|---|---|---|
| committer | Swift Review <review@swift.im> | 2013-01-13 10:36:26 (GMT) |
| commit | f3bc816af1b0d61452de973963e453bf3b3f95a2 (patch) | |
| tree | e895f8afa3580e6cff6f5ad2017d45bf147a17c2 /3rdParty/Boost/src/boost/spirit/home/qi/nonterminal | |
| parent | 188fc285c6555eadd3c9d50ab8a94adcade78d89 (diff) | |
| download | swift-f3bc816af1b0d61452de973963e453bf3b3f95a2.zip swift-f3bc816af1b0d61452de973963e453bf3b3f95a2.tar.bz2 | |
Adding in the spirit Boost stuff
Change-Id: I4f127ce61667243b64081b0aa309028d5077045f
Diffstat (limited to '3rdParty/Boost/src/boost/spirit/home/qi/nonterminal')
6 files changed, 817 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/fcall.hpp b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/fcall.hpp new file mode 100644 index 0000000..e4fa17f --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/fcall.hpp @@ -0,0 +1,53 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + + Distributed under 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_PP_IS_ITERATING + +#include <boost/preprocessor/iterate.hpp> +#include <boost/preprocessor/repetition/enum_params.hpp> +#include <boost/preprocessor/repetition/enum_binary_params.hpp> + +#define BOOST_PP_FILENAME_1 \ + <boost/spirit/home/qi/nonterminal/detail/fcall.hpp> +#define BOOST_PP_ITERATION_LIMITS (1, SPIRIT_ARGUMENTS_LIMIT) +#include BOOST_PP_ITERATE() + +/////////////////////////////////////////////////////////////////////////////// +// +// Preprocessor vertical repetition code +// +/////////////////////////////////////////////////////////////////////////////// +#else // defined(BOOST_PP_IS_ITERATING) + +#define N BOOST_PP_ITERATION() + + template <BOOST_PP_ENUM_PARAMS(N, typename A)> + typename lazy_enable_if_c< + (params_size == N) + , proto::terminal< + spirit::qi::parameterized_nonterminal< + parameterized_subject_type + , fusion::vector<BOOST_PP_ENUM_PARAMS(N, A)> > + > + >::type + operator()(BOOST_PP_ENUM_BINARY_PARAMS(N, A, const& f)) const + { + typedef fusion::vector<BOOST_PP_ENUM_PARAMS(N, A)> vector_type; + typedef spirit::qi::parameterized_nonterminal< + parameterized_subject_type, vector_type> parameterized_type; + typedef typename proto::terminal<parameterized_type>::type result_type; + + return result_type::make( + parameterized_type( + this->get_parameterized_subject() + , fusion::make_vector(BOOST_PP_ENUM_PARAMS(N, f))) + ); + } + +#undef N +#endif // defined(BOOST_PP_IS_ITERATING) + + diff --git a/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/parameterized.hpp b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/parameterized.hpp new file mode 100644 index 0000000..0300a06 --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/parameterized.hpp @@ -0,0 +1,75 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + Copyright (c) 2009 Francois Barel + + Distributed under 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) +==============================================================================*/ +#if !defined(BOOST_SPIRIT_PARAMETERIZED_AUGUST_09_2009_0539AM) +#define BOOST_SPIRIT_PARAMETERIZED_AUGUST_09_2009_0539AM + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/ref.hpp> + +#include <boost/spirit/home/support/handles_container.hpp> +#include <boost/spirit/home/qi/parser.hpp> + +namespace boost { namespace spirit { namespace qi +{ + /////////////////////////////////////////////////////////////////////////// + // parameterized_nonterminal: parser representing the invocation of a + // nonterminal, passing inherited attributes + /////////////////////////////////////////////////////////////////////////// + template <typename Subject, typename Params> + struct parameterized_nonterminal + : parser<parameterized_nonterminal<Subject, Params> > + { + parameterized_nonterminal(Subject const& subject, Params const& params) + : ref(subject), params(params) + { + } + + template <typename Context, typename Iterator> + struct attribute + // Forward to subject. + : Subject::template attribute<Context, Iterator> {}; + + template <typename Iterator, typename Context + , typename Skipper, typename Attribute> + bool parse(Iterator& first, Iterator const& last + , Context& context, Skipper const& skipper + , Attribute& attr) const + { + // Forward to subject, passing the additional + // params argument to parse. + return ref.get().parse(first, last, context, skipper, attr, params); + } + + template <typename Context> + info what(Context& context) const + { + // Forward to subject. + return ref.get().what(context); + } + + boost::reference_wrapper<Subject const> ref; + Params params; + }; +}}} + +namespace boost { namespace spirit { namespace traits +{ + /////////////////////////////////////////////////////////////////////////// + template <typename Subject, typename Params, typename Attribute + , typename Context, typename Iterator> + struct handles_container<qi::parameterized_nonterminal<Subject, Params> + , Attribute, Context, Iterator> + : handles_container<typename remove_const<Subject>::type + , Attribute, Context, Iterator> + {}; +}}} + +#endif diff --git a/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/parser_binder.hpp b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/parser_binder.hpp new file mode 100644 index 0000000..91bceba --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/parser_binder.hpp @@ -0,0 +1,87 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + + Distributed under 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) +==============================================================================*/ +#if !defined(BOOST_SPIRIT_PARSER_BINDER_DECEMBER_05_2008_0516_PM) +#define BOOST_SPIRIT_PARSER_BINDER_DECEMBER_05_2008_0516_PM + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/fusion/include/at.hpp> +#include <boost/mpl/bool.hpp> +#include <boost/spirit/home/support/has_semantic_action.hpp> + +namespace boost { namespace spirit { namespace qi { namespace detail +{ + // parser_binder for plain rules + template <typename Parser, typename Auto> + struct parser_binder + { + parser_binder(Parser const& p) + : p(p) {} + + template <typename Iterator, typename Skipper, typename Context> + bool call(Iterator& first, Iterator const& last + , Context& context, Skipper const& skipper, mpl::true_) const + { + // If DeducedAuto is false (semantic actions is present), the + // component's attribute is unused. + return p.parse(first, last, context, skipper, unused); + } + + template <typename Iterator, typename Skipper, typename Context> + bool call(Iterator& first, Iterator const& last + , Context& context, Skipper const& skipper, mpl::false_) const + { + // If DeducedAuto is true (no semantic action), we pass the rule's + // attribute on to the component. + return p.parse(first, last, context, skipper + , fusion::at_c<0>(context.attributes)); + } + + template <typename Iterator, typename Skipper, typename Context> + bool operator()( + Iterator& first, Iterator const& last + , Context& context, Skipper const& skipper) const + { + // If Auto is false, we need to deduce whether to apply auto rule + typedef typename traits::has_semantic_action<Parser>::type auto_rule; + return call(first, last, context, skipper, auto_rule()); + } + + Parser p; + }; + + // parser_binder for auto rules + template <typename Parser> + struct parser_binder<Parser, mpl::true_> + { + parser_binder(Parser const& p) + : p(p) {} + + template <typename Iterator, typename Skipper, typename Context> + bool operator()( + Iterator& first, Iterator const& last + , Context& context, Skipper const& skipper) const + { + // If Auto is true, we pass the rule's attribute on to the component. + return p.parse(first, last, context, skipper + , fusion::at_c<0>(context.attributes)); + } + + Parser p; + }; + + template <typename Auto, typename Parser> + inline parser_binder<Parser, Auto> + bind_parser(Parser const& p) + { + return parser_binder<Parser, Auto>(p); + } +}}}} + +#endif diff --git a/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/grammar.hpp b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/grammar.hpp new file mode 100644 index 0000000..982e49b --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/grammar.hpp @@ -0,0 +1,132 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + + Distributed under 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) +==============================================================================*/ +#if !defined(BOOST_SPIRIT_GRAMMAR_FEBRUARY_19_2007_0236PM) +#define BOOST_SPIRIT_GRAMMAR_FEBRUARY_19_2007_0236PM + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/spirit/home/support/unused.hpp> +#include <boost/spirit/home/support/info.hpp> +#include <boost/spirit/home/support/assert_msg.hpp> +#include <boost/spirit/home/qi/domain.hpp> +#include <boost/spirit/home/qi/nonterminal/rule.hpp> +#include <boost/spirit/home/qi/nonterminal/nonterminal_fwd.hpp> +#include <boost/spirit/home/qi/reference.hpp> +#include <boost/noncopyable.hpp> +#include <boost/type_traits/is_same.hpp> + +namespace boost { namespace spirit { namespace qi +{ + template < + typename Iterator, typename T1, typename T2, typename T3 + , typename T4> + struct grammar + : proto::extends< + typename proto::terminal< + reference<rule<Iterator, T1, T2, T3, T4> const> + >::type + , grammar<Iterator, T1, T2, T3, T4> + > + , parser<grammar<Iterator, T1, T2, T3, T4> > + , noncopyable + { + typedef Iterator iterator_type; + typedef rule<Iterator, T1, T2, T3, T4> start_type; + typedef typename start_type::sig_type sig_type; + typedef typename start_type::locals_type locals_type; + typedef typename start_type::skipper_type skipper_type; + typedef typename start_type::encoding_type encoding_type; + typedef grammar<Iterator, T1, T2, T3, T4> base_type; + typedef reference<start_type const> reference_; + typedef typename proto::terminal<reference_>::type terminal; + + static size_t const params_size = start_type::params_size; + + template <typename Context, typename Iterator_> + struct attribute + { + typedef typename start_type::attr_type type; + }; + + grammar( + start_type const& start + , std::string const& name_ = "unnamed-grammar") + : proto::extends<terminal, base_type>(terminal::make(reference_(start))) + , name_(name_) + {} + + // This constructor is used to catch if the start rule is not + // compatible with the grammar. + template <typename Iterator_, + typename T1_, typename T2_, typename T3_, typename T4_> + grammar( + rule<Iterator_, T1_, T2_, T3_, T4_> const& + , std::string const& = "unnamed-grammar") + { + // If you see the assertion below failing then the start rule + // passed to the constructor of the grammar is not compatible with + // the grammar (i.e. it uses different template parameters). + BOOST_SPIRIT_ASSERT_MSG( + (is_same<start_type, rule<Iterator_, T1_, T2_, T3_, T4_> >::value) + , incompatible_start_rule, (rule<Iterator_, T1_, T2_, T3_, T4_>)); + } + + std::string name() const + { + return name_; + } + + void name(std::string const& str) + { + name_ = str; + } + + template <typename Context, typename Skipper, typename Attribute> + bool parse(Iterator& first, Iterator const& last + , Context& context, Skipper const& skipper + , Attribute& attr) const + { + return this->proto_base().child0.parse( + first, last, context, skipper, attr); + } + + template <typename Context> + info what(Context&) const + { + return info(name_); + } + + // bring in the operator() overloads + start_type const& get_parameterized_subject() const + { return this->proto_base().child0.ref.get(); } + typedef start_type parameterized_subject_type; + #include <boost/spirit/home/qi/nonterminal/detail/fcall.hpp> + + std::string name_; + + }; +}}} + +namespace boost { namespace spirit { namespace traits +{ + /////////////////////////////////////////////////////////////////////////// + template < + typename IteratorA, typename IteratorB, typename Attribute + , typename Context, typename T1, typename T2, typename T3, typename T4> + struct handles_container< + qi::grammar<IteratorA, T1, T2, T3, T4>, Attribute, Context, IteratorB> + : traits::is_container< + typename attribute_of< + qi::grammar<IteratorA, T1, T2, T3, T4>, Context, IteratorB + >::type + > + {}; +}}} + +#endif diff --git a/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/nonterminal_fwd.hpp b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/nonterminal_fwd.hpp new file mode 100644 index 0000000..9e39345 --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/nonterminal_fwd.hpp @@ -0,0 +1,31 @@ +// Copyright (c) 2001-2011 Hartmut Kaiser +// +// Distributed under 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) + +#if !defined(BOOST_SPIRIT_QI_NONTERMINAL_FWD_DEC_24_2010_1105PM) +#define BOOST_SPIRIT_QI_NONTERMINAL_FWD_DEC_24_2010_1105PM + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/spirit/home/support/unused.hpp> + +namespace boost { namespace spirit { namespace qi +{ + // forward declaration only + template < + typename Iterator, typename T1 = unused_type + , typename T2 = unused_type, typename T3 = unused_type + , typename T4 = unused_type> + struct rule; + + template < + typename Iterator, typename T1 = unused_type + , typename T2 = unused_type, typename T3 = unused_type + , typename T4 = unused_type> + struct grammar; +}}} + +#endif diff --git a/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/rule.hpp b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/rule.hpp new file mode 100644 index 0000000..23d2559 --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/rule.hpp @@ -0,0 +1,439 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + + Distributed under 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) +==============================================================================*/ +#if !defined(BOOST_SPIRIT_RULE_FEBRUARY_12_2007_1020AM) +#define BOOST_SPIRIT_RULE_FEBRUARY_12_2007_1020AM + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/assert.hpp> +#include <boost/config.hpp> +#include <boost/function.hpp> +#include <boost/mpl/vector.hpp> +#include <boost/type_traits/add_reference.hpp> +#include <boost/type_traits/is_same.hpp> + +#include <boost/fusion/include/vector.hpp> +#include <boost/fusion/include/size.hpp> +#include <boost/fusion/include/make_vector.hpp> +#include <boost/fusion/include/cons.hpp> +#include <boost/fusion/include/as_list.hpp> +#include <boost/fusion/include/as_vector.hpp> + +#include <boost/spirit/home/support/unused.hpp> +#include <boost/spirit/home/support/argument.hpp> +#include <boost/spirit/home/support/context.hpp> +#include <boost/spirit/home/support/info.hpp> +#include <boost/spirit/home/qi/detail/attributes.hpp> +#include <boost/spirit/home/support/nonterminal/extract_param.hpp> +#include <boost/spirit/home/support/nonterminal/locals.hpp> +#include <boost/spirit/home/qi/reference.hpp> +#include <boost/spirit/home/qi/nonterminal/detail/parameterized.hpp> +#include <boost/spirit/home/qi/nonterminal/detail/parser_binder.hpp> +#include <boost/spirit/home/qi/nonterminal/nonterminal_fwd.hpp> +#include <boost/spirit/home/qi/skip_over.hpp> + +#if defined(BOOST_MSVC) +# pragma warning(push) +# pragma warning(disable: 4355) // 'this' : used in base member initializer list warning +#endif + +namespace boost { namespace spirit { namespace qi +{ + BOOST_PP_REPEAT(SPIRIT_ATTRIBUTES_LIMIT, SPIRIT_USING_ATTRIBUTE, _) + + using spirit::_pass_type; + using spirit::_val_type; + using spirit::_a_type; + using spirit::_b_type; + using spirit::_c_type; + using spirit::_d_type; + using spirit::_e_type; + using spirit::_f_type; + using spirit::_g_type; + using spirit::_h_type; + using spirit::_i_type; + using spirit::_j_type; + +#ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS + + using spirit::_pass; + using spirit::_val; + using spirit::_a; + using spirit::_b; + using spirit::_c; + using spirit::_d; + using spirit::_e; + using spirit::_f; + using spirit::_g; + using spirit::_h; + using spirit::_i; + using spirit::_j; + +#endif + + using spirit::info; + using spirit::locals; + + template < + typename Iterator, typename T1, typename T2, typename T3 + , typename T4> + struct rule + : proto::extends< + typename proto::terminal< + reference<rule<Iterator, T1, T2, T3, T4> const> + >::type + , rule<Iterator, T1, T2, T3, T4> + > + , parser<rule<Iterator, T1, T2, T3, T4> > + { + typedef Iterator iterator_type; + typedef rule<Iterator, T1, T2, T3, T4> this_type; + typedef reference<this_type const> reference_; + typedef typename proto::terminal<reference_>::type terminal; + typedef proto::extends<terminal, this_type> base_type; + typedef mpl::vector<T1, T2, T3, T4> template_params; + + // The rule's locals_type: a sequence of types to be used as local variables + typedef typename + spirit::detail::extract_locals<template_params>::type + locals_type; + + // The rule's skip-parser type + typedef typename + spirit::detail::extract_component< + qi::domain, template_params>::type + skipper_type; + + // The rule's signature + typedef typename + spirit::detail::extract_sig<template_params>::type + sig_type; + + // The rule's encoding type + typedef typename + spirit::detail::extract_encoding<template_params>::type + encoding_type; + + // This is the rule's attribute type + typedef typename + spirit::detail::attr_from_sig<sig_type>::type + attr_type; + typedef typename add_reference<attr_type>::type attr_reference_type; + + // parameter_types is a sequence of types passed as parameters to the rule + typedef typename + spirit::detail::params_from_sig<sig_type>::type + parameter_types; + + static size_t const params_size = + fusion::result_of::size<parameter_types>::type::value; + + typedef context< + fusion::cons<attr_reference_type, parameter_types> + , locals_type> + context_type; + + typedef function< + bool(Iterator& first, Iterator const& last + , context_type& context + , skipper_type const& skipper + )> + function_type; + + typedef typename + mpl::if_< + is_same<encoding_type, unused_type> + , unused_type + , tag::char_code<tag::encoding, encoding_type> + >::type + encoding_modifier_type; + + explicit rule(std::string const& name_ = "unnamed-rule") + : base_type(terminal::make(reference_(*this))) + , name_(name_) + { + } + + rule(rule const& rhs) + : base_type(terminal::make(reference_(*this))) + , name_(rhs.name_) + , f(rhs.f) + { + } + + template <typename Auto, typename Expr> + static void define(rule& lhs, Expr const& expr, mpl::false_) + { + // Report invalid expression error as early as possible. + // If you got an error_invalid_expression error message here, + // then the expression (expr) is not a valid spirit qi expression. + BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr); + } + + template <typename Auto, typename Expr> + static void define(rule& lhs, Expr const& expr, mpl::true_) + { + lhs.f = detail::bind_parser<Auto>( + compile<qi::domain>(expr, encoding_modifier_type())); + } + + template <typename Expr> + rule(Expr const& expr, std::string const& name_ = "unnamed-rule") + : base_type(terminal::make(reference_(*this))) + , name_(name_) + { + define<mpl::false_>(*this, expr, traits::matches<qi::domain, Expr>()); + } + + rule& operator=(rule const& rhs) + { + // The following assertion fires when you try to initialize a rule + // from an uninitialized one. Did you mean to refer to the right + // hand side rule instead of assigning from it? In this case you + // should write lhs = rhs.alias(); + BOOST_ASSERT(rhs.f && "Did you mean rhs.alias() instead of rhs?"); + + f = rhs.f; + name_ = rhs.name_; + return *this; + } + + std::string const& name() const + { + return name_; + } + + void name(std::string const& str) + { + name_ = str; + } + + template <typename Expr> + rule& operator=(Expr const& expr) + { + define<mpl::false_>(*this, expr, traits::matches<qi::domain, Expr>()); + return *this; + } + +// VC7.1 has problems to resolve 'rule' without explicit template parameters +#if !BOOST_WORKAROUND(BOOST_MSVC, < 1400) + // g++ 3.3 barfs if this is a member function :( + template <typename Expr> + friend rule& operator%=(rule& r, Expr const& expr) + { + define<mpl::true_>(r, expr, traits::matches<qi::domain, Expr>()); + return r; + } + +#if defined(BOOST_NO_RVALUE_REFERENCES) + // non-const version needed to suppress proto's %= kicking in + template <typename Expr> + friend rule& operator%=(rule& r, Expr& expr) + { + return r %= static_cast<Expr const&>(expr); + } +#else + // for rvalue references + template <typename Expr> + friend rule& operator%=(rule& r, Expr&& expr) + { + define<mpl::true_>(r, expr, traits::matches<qi::domain, Expr>()); + return r; + } +#endif + +#else + // both friend functions have to be defined out of class as VC7.1 + // will complain otherwise + template <typename OutputIterator_, typename T1_, typename T2_ + , typename T3_, typename T4_, typename Expr> + friend rule<OutputIterator_, T1_, T2_, T3_, T4_>& operator%=( + rule<OutputIterator_, T1_, T2_, T3_, T4_>& r, Expr const& expr); + + // non-const version needed to suppress proto's %= kicking in + template <typename OutputIterator_, typename T1_, typename T2_ + , typename T3_, typename T4_, typename Expr> + friend rule<OutputIterator_, T1_, T2_, T3_, T4_>& operator%=( + rule<OutputIterator_, T1_, T2_, T3_, T4_>& r, Expr& expr); +#endif + + template <typename Context, typename Iterator_> + struct attribute + { + typedef attr_type type; + }; + + template <typename Context, typename Skipper, typename Attribute> + bool parse(Iterator& first, Iterator const& last + , Context& /*context*/, Skipper const& skipper + , Attribute& attr) const + { + if (f) + { + // do a preskip if this is an implied lexeme + if (is_same<skipper_type, unused_type>::value) + qi::skip_over(first, last, skipper); + + typedef traits::make_attribute<attr_type, Attribute> make_attribute; + + // do down-stream transformation, provides attribute for + // rhs parser + typedef traits::transform_attribute< + typename make_attribute::type, attr_type, domain> + transform; + + typename make_attribute::type made_attr = make_attribute::call(attr); + typename transform::type attr_ = transform::pre(made_attr); + + // If you are seeing a compilation error here, you are probably + // trying to use a rule or a grammar which has inherited + // attributes, without passing values for them. + context_type context(attr_); + + // If you are seeing a compilation error here stating that the + // fourth parameter can't be converted to a required target type + // then you are probably trying to use a rule or a grammar with + // an incompatible skipper type. + if (f(first, last, context, skipper)) + { + // do up-stream transformation, this integrates the results + // back into the original attribute value, if appropriate + traits::post_transform(attr, attr_); + return true; + } + + // inform attribute transformation of failed rhs + traits::fail_transform(attr, attr_); + } + return false; + } + + template <typename Context, typename Skipper + , typename Attribute, typename Params> + bool parse(Iterator& first, Iterator const& last + , Context& caller_context, Skipper const& skipper + , Attribute& attr, Params const& params) const + { + if (f) + { + // do a preskip if this is an implied lexeme + if (is_same<skipper_type, unused_type>::value) + qi::skip_over(first, last, skipper); + + typedef traits::make_attribute<attr_type, Attribute> make_attribute; + + // do down-stream transformation, provides attribute for + // rhs parser + typedef traits::transform_attribute< + typename make_attribute::type, attr_type, domain> + transform; + + typename make_attribute::type made_attr = make_attribute::call(attr); + typename transform::type attr_ = transform::pre(made_attr); + + // If you are seeing a compilation error here, you are probably + // trying to use a rule or a grammar which has inherited + // attributes, passing values of incompatible types for them. + context_type context(attr_, params, caller_context); + + // If you are seeing a compilation error here stating that the + // fourth parameter can't be converted to a required target type + // then you are probably trying to use a rule or a grammar with + // an incompatible skipper type. + if (f(first, last, context, skipper)) + { + // do up-stream transformation, this integrates the results + // back into the original attribute value, if appropriate + traits::post_transform(attr, attr_); + return true; + } + + // inform attribute transformation of failed rhs + traits::fail_transform(attr, attr_); + } + return false; + } + + template <typename Context> + info what(Context& /*context*/) const + { + return info(name_); + } + + reference_ alias() const + { + return reference_(*this); + } + + typename proto::terminal<this_type>::type copy() const + { + typename proto::terminal<this_type>::type result = {*this}; + return result; + } + + // bring in the operator() overloads + rule const& get_parameterized_subject() const { return *this; } + typedef rule parameterized_subject_type; + #include <boost/spirit/home/qi/nonterminal/detail/fcall.hpp> + + std::string name_; + function_type f; + }; + +#if BOOST_WORKAROUND(BOOST_MSVC, < 1400) + template <typename OutputIterator_, typename T1_, typename T2_ + , typename T3_, typename T4_, typename Expr> + rule<OutputIterator_, T1_, T2_, T3_, T4_>& operator%=( + rule<OutputIterator_, T1_, T2_, T3_, T4_>& r, Expr const& expr) + { + // Report invalid expression error as early as possible. + // If you got an error_invalid_expression error message here, + // then the expression (expr) is not a valid spirit qi expression. + BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr); + + typedef typename + rule<OutputIterator_, T1_, T2_, T3_, T4_>::encoding_modifier_type + encoding_modifier_type; + + r.f = detail::bind_parser<mpl::true_>( + compile<qi::domain>(expr, encoding_modifier_type())); + return r; + } + + template <typename Iterator_, typename T1_, typename T2_ + , typename T3_, typename T4_, typename Expr> + rule<Iterator_, T1_, T2_, T3_, T4_>& operator%=( + rule<Iterator_, T1_, T2_, T3_, T4_>& r, Expr& expr) + { + return r %= static_cast<Expr const&>(expr); + } +#endif +}}} + +namespace boost { namespace spirit { namespace traits +{ + /////////////////////////////////////////////////////////////////////////// + template < + typename IteratorA, typename IteratorB, typename Attribute + , typename Context, typename T1, typename T2, typename T3, typename T4> + struct handles_container< + qi::rule<IteratorA, T1, T2, T3, T4>, Attribute, Context, IteratorB> + : traits::is_container< + typename attribute_of< + qi::rule<IteratorA, T1, T2, T3, T4>, Context, IteratorB + >::type + > + {}; +}}} + +#if defined(BOOST_MSVC) +# pragma warning(pop) +#endif + +#endif |