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/*=============================================================================
Copyright (c) 2010 Thomas Heller
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_PHOENIX_CORE_DETAIL_EXPRESSION_HPP
#define BOOST_PHOENIX_CORE_DETAIL_EXPRESSION_HPP
#include <boost/preprocessor/empty.hpp>
#include <boost/preprocessor/arithmetic/add.hpp>
#include <boost/preprocessor/arithmetic/dec.hpp>
#include <boost/preprocessor/comma_if.hpp>
#include <boost/preprocessor/comparison/equal.hpp>
#include <boost/preprocessor/seq/size.hpp>
#include <boost/preprocessor/seq/enum.hpp>
#include <boost/preprocessor/seq/for_each.hpp>
#include <boost/preprocessor/seq/pop_back.hpp>
#include <boost/preprocessor/seq/reverse.hpp>
#include <boost/preprocessor/tuple/elem.hpp>
#include <boost/preprocessor/enum_params.hpp>
#include <boost/preprocessor/repeat_from_to.hpp>
#define BOOST_PHOENIX_DEFINE_EXPRESSION(NAME_SEQ, SEQ) \
BOOST_PHOENIX_DEFINE_EXPRESSION_BASE( \
NAME_SEQ \
, SEQ \
, BOOST_PHOENIX_DEFINE_EXPRESSION_EXPRESSION_DEFAULT \
, BOOST_PHOENIX_DEFINE_EXPRESSION_RULE_DEFAULT \
, BOOST_PHOENIX_DEFINE_EXPRESSION_RESULT_OF_MAKE_DEFAULT \
, BOOST_PHOENIX_DEFINE_EXPRESSION_MAKE_EXPRESSION_DEFAULT \
, _ \
) \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_VARARG(NAME_SEQ, GRAMMAR_SEQ, LIMIT) \
BOOST_PHOENIX_DEFINE_EXPRESSION_BASE( \
NAME_SEQ \
, GRAMMAR_SEQ \
, BOOST_PHOENIX_DEFINE_EXPRESSION_EXPRESSION_VARARG \
, BOOST_PHOENIX_DEFINE_EXPRESSION_RULE_VARARG \
, BOOST_PHOENIX_DEFINE_EXPRESSION_RESULT_OF_MAKE_VARARG \
, BOOST_PHOENIX_DEFINE_EXPRESSION_MAKE_EXPRESSION_VARARG \
, LIMIT \
) \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_EXT(ACTOR, NAME_SEQ, GRAMMAR_SEQ) \
BOOST_PHOENIX_DEFINE_EXPRESSION_BASE( \
NAME_SEQ \
, GRAMMAR_SEQ \
, BOOST_PHOENIX_DEFINE_EXPRESSION_EXPRESSION_EXT \
, BOOST_PHOENIX_DEFINE_EXPRESSION_RULE_DEFAULT \
, BOOST_PHOENIX_DEFINE_EXPRESSION_RESULT_OF_MAKE_DEFAULT \
, BOOST_PHOENIX_DEFINE_EXPRESSION_MAKE_EXPRESSION_DEFAULT \
, ACTOR \
) \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_EXT_VARARG(ACTOR, NAME, GRAMMAR, LIMIT) \
BOOST_PHOENIX_DEFINE_EXPRESSION_BASE( \
NAME_SEQ \
, GRAMMAR_SEQ \
, BOOST_PHOENIX_DEFINE_EXPRESSION_EXPRESSION_VARARG_EXT \
, BOOST_PHOENIX_DEFINE_EXPRESSION_RULE_VARARG \
, BOOST_PHOENIX_DEFINE_EXPRESSION_RESULT_OF_MAKE_VARARG \
, BOOST_PHOENIX_DEFINE_EXPRESSION_MAKE_EXPRESSION_VARARG \
, ACTOR \
) \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_NAMESPACE(R, D, E) \
namespace E { \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_NAMESPACE_END(R, D, E) \
} \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_NS(R, D, E) \
E :: \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_BASE(NAME_SEQ, GRAMMAR_SEQ, EXPRESSION, RULE, RESULT_OF_MAKE, MAKE_EXPRESSION, DATA) \
BOOST_PP_SEQ_FOR_EACH( \
BOOST_PHOENIX_DEFINE_EXPRESSION_NAMESPACE \
, _ \
, BOOST_PP_SEQ_POP_BACK(NAME_SEQ) \
) \
namespace tag \
{ \
struct BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) {}; \
template <typename Ostream> \
inline Ostream &operator<<( \
Ostream & os \
, BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ))) \
{ \
os << BOOST_PP_STRINGIZE( \
BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
); \
return os; \
} \
} \
namespace expression \
{ \
EXPRESSION(NAME_SEQ, GRAMMAR_SEQ, DATA) \
} \
namespace rule \
{ \
RULE(NAME_SEQ, GRAMMAR_SEQ, DATA) \
} \
namespace functional \
{ \
typedef \
boost::proto::functional::make_expr< \
tag:: BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
> \
BOOST_PP_CAT( \
make_ \
, BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
); \
} \
namespace result_of \
{ \
RESULT_OF_MAKE(NAME_SEQ, GRAMMAR_SEQ, DATA) \
} \
MAKE_EXPRESSION(NAME_SEQ, GRAMMAR_SEQ, DATA) \
\
BOOST_PP_SEQ_FOR_EACH( \
BOOST_PHOENIX_DEFINE_EXPRESSION_NAMESPACE_END \
, _ \
, BOOST_PP_SEQ_POP_BACK(NAME_SEQ) \
) \
namespace boost { namespace phoenix \
{ \
template <typename Dummy> \
struct meta_grammar::case_< \
:: BOOST_PP_SEQ_FOR_EACH( \
BOOST_PHOENIX_DEFINE_EXPRESSION_NS \
, _ \
, BOOST_PP_SEQ_POP_BACK(NAME_SEQ) \
) tag:: BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
, Dummy \
> \
: enable_rule< \
:: BOOST_PP_SEQ_FOR_EACH( \
BOOST_PHOENIX_DEFINE_EXPRESSION_NS \
, _ \
, BOOST_PP_SEQ_POP_BACK(NAME_SEQ) \
) rule:: BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
, Dummy \
> \
{}; \
} } \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_EXPRESSION_DEFAULT(NAME_SEQ, GRAMMAR_SEQ, D) \
template <BOOST_PHOENIX_typename_A(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ))> \
struct BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
: boost::phoenix::expr< \
:: BOOST_PP_SEQ_FOR_EACH( \
BOOST_PHOENIX_DEFINE_EXPRESSION_NS \
, _ \
, BOOST_PP_SEQ_POP_BACK(NAME_SEQ) \
) tag:: BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
, BOOST_PP_ENUM_PARAMS(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ), A)> \
{}; \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_RULE_DEFAULT(NAME_SEQ, GRAMMAR_SEQ, D) \
struct BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
: expression:: BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
<BOOST_PP_SEQ_ENUM(GRAMMAR_SEQ)> \
{}; \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_RESULT_OF_MAKE_DEFAULT(NAME_SEQ, GRAMMAR_SEQ, D) \
template <BOOST_PHOENIX_typename_A(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ))> \
struct BOOST_PP_CAT(make_, BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ))) \
: boost::result_of< \
functional:: \
BOOST_PP_CAT( \
make_ \
, BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
)(BOOST_PHOENIX_A(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ))) \
> \
{}; \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_MAKE_EXPRESSION_DEFAULT(NAME_SEQ, GRAMMAR_SEQ, D) \
template <BOOST_PHOENIX_typename_A(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ))> \
typename \
result_of::BOOST_PP_CAT( \
make_ \
, BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
)< \
BOOST_PHOENIX_A(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ)) \
>::type const \
inline BOOST_PP_CAT( \
make_ \
, BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
)( \
BOOST_PHOENIX_A_const_ref_a(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ)) \
) \
{ \
return \
functional::BOOST_PP_CAT( \
make_ \
, BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
)()( \
BOOST_PHOENIX_a(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ)) \
); \
} \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_VARARG_R(_, N, NAME) \
template < \
BOOST_PHOENIX_typename_A( \
BOOST_PP_ADD( \
N \
, BOOST_PP_SEQ_SIZE(BOOST_PP_TUPLE_ELEM(2, 1, NAME)) \
) \
) \
> \
struct BOOST_PP_TUPLE_ELEM(2, 0, NAME)< \
BOOST_PHOENIX_A( \
BOOST_PP_ADD(N, BOOST_PP_SEQ_SIZE(BOOST_PP_TUPLE_ELEM(2, 1, NAME))) \
) \
> \
: boost::phoenix::expr< \
tag:: BOOST_PP_TUPLE_ELEM(2, 0, NAME) \
, BOOST_PHOENIX_A( \
BOOST_PP_ADD( \
N \
, BOOST_PP_SEQ_SIZE(BOOST_PP_TUPLE_ELEM(2, 1, NAME)) \
) \
) \
> \
{}; \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_EXPRESSION_VARARG(NAME_SEQ, GRAMMAR_SEQ, LIMIT) \
template < \
BOOST_PHOENIX_typename_A_void( \
BOOST_PP_ADD( \
LIMIT, BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ))) \
) \
, typename Dummy = void \
> \
struct BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)); \
\
BOOST_PP_REPEAT_FROM_TO( \
1 \
, BOOST_PP_ADD(LIMIT, BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ))) \
, BOOST_PHOENIX_DEFINE_EXPRESSION_VARARG_R \
, ( \
BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
, BOOST_PP_SEQ_POP_BACK(GRAMMAR_SEQ) \
) \
) \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_RULE_VARARG(NAME_SEQ, GRAMMAR_SEQ, LIMIT) \
struct BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
: expression:: BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) < \
BOOST_PP_IF( \
BOOST_PP_EQUAL(1, BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ)) \
, BOOST_PP_EMPTY \
, BOOST_PP_IDENTITY( \
BOOST_PP_SEQ_ENUM(BOOST_PP_SEQ_POP_BACK(GRAMMAR_SEQ)) \
) \
)() \
BOOST_PP_COMMA_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ))) \
boost::proto::vararg< \
BOOST_PP_SEQ_ELEM( \
BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ)) \
, GRAMMAR_SEQ \
) \
> \
> \
{}; \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_RESULT_OF_MAKE_VARARG_R(Z, N, NAME) \
template <BOOST_PHOENIX_typename_A(N)> \
struct BOOST_PP_CAT(make_, NAME) <BOOST_PHOENIX_A(N)> \
: boost::result_of< \
functional:: BOOST_PP_CAT(make_, NAME)( \
BOOST_PHOENIX_A(N) \
) \
> \
{}; \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_RESULT_OF_MAKE_VARARG(NAME_SEQ, GRAMMAR_SEQ, LIMIT) \
template <BOOST_PHOENIX_typename_A_void(LIMIT), typename Dummy = void> \
struct BOOST_PP_CAT( \
make_ \
, BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
); \
BOOST_PP_REPEAT_FROM_TO( \
1 \
, LIMIT \
, BOOST_PHOENIX_DEFINE_EXPRESSION_RESULT_OF_MAKE_VARARG_R \
, BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
) \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_MAKE_EXPRESSION_VARARG_R(Z, N, NAME) \
template <BOOST_PHOENIX_typename_A(N)> \
typename \
result_of:: BOOST_PP_CAT(make_, NAME)< \
BOOST_PHOENIX_A(N) \
>::type \
inline BOOST_PP_CAT(make_, NAME)(BOOST_PHOENIX_A_const_ref_a(N)) \
{ \
return functional::BOOST_PP_CAT(make_, NAME)()(BOOST_PHOENIX_a(N)); \
} \
#define BOOST_PHOENIX_DEFINE_EXPRESSION_MAKE_EXPRESSION_VARARG(NAME_SEQ, GRAMMAR_SEQ, LIMIT) \
BOOST_PP_REPEAT_FROM_TO( \
1 \
, LIMIT \
, BOOST_PHOENIX_DEFINE_EXPRESSION_MAKE_EXPRESSION_VARARG_R \
, BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
) \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_EXPRESSION_EXT(NAME_SEQ, GRAMMAR_SEQ, ACTOR) \
template <BOOST_PHOENIX_typename_A(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ))> \
struct BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
: ::boost::phoenix::expr_ext< \
ACTOR \
, tag:: BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(NAME_SEQ)) \
, BOOST_PHOENIX_A(BOOST_PP_SEQ_SIZE(GRAMMAR_SEQ))> \
{}; \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_EXT_VARARG_R(_, N, NAME) \
template < \
BOOST_PHOENIX_typename_A( \
BOOST_PP_ADD( \
N \
, BOOST_PP_SEQ_SIZE(BOOST_PP_TUPLE_ELEM(3, 1, NAME)) \
) \
) \
> \
struct BOOST_PP_TUPLE_ELEM(3, 0, NAME)< \
BOOST_PHOENIX_A( \
BOOST_PP_ADD(N, BOOST_PP_SEQ_SIZE(BOOST_PP_TUPLE_ELEM(3, 1, NAME))) \
) \
> \
: expr_ext< \
BOOST_PP_TUPLE_ELEM(3, 2, NAME) \
, tag:: BOOST_PP_TUPLE_ELEM(3, 0, NAME) \
, BOOST_PHOENIX_A( \
BOOST_PP_ADD( \
N \
, BOOST_PP_SEQ_SIZE(BOOST_PP_TUPLE_ELEM(3, 1, NAME)) \
) \
) \
> \
{}; \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_EXRPESSION_VARARG_EXT(N, G, D) \
template < \
BOOST_PHOENIX_typename_A_void( \
BOOST_PP_ADD(LIMIT, BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(G))) \
) \
, typename Dummy = void \
> \
struct BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(N)); \
\
BOOST_PP_REPEAT_FROM_TO( \
1 \
, BOOST_PP_ADD(LIMIT, BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(G))) \
, BOOST_PHOENIX_DEFINE_EXPRESSION_EXT_VARARG_R \
, ( \
BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(N)) \
, BOOST_PP_SEQ_POP_BACK(G) \
, ACTOR \
) \
) \
/**/
#define BOOST_PHOENIX_DEFINE_EXPRESSION_RULE_VARARG_EXT(N, GRAMMAR, D) \
struct BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(N)) \
: expression:: BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REVERSE(N)) < \
BOOST_PP_IF( \
BOOST_PP_EQUAL(1, BOOST_PP_SEQ_SIZE(GRAMMAR)) \
, BOOST_PP_EMPTY \
, BOOST_PP_IDENTITY( \
BOOST_PP_SEQ_ENUM(BOOST_PP_SEQ_POP_BACK(GRAMMAR)) \
) \
)() \
BOOST_PP_COMMA_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(GRAMMAR))) \
proto::vararg< \
BOOST_PP_SEQ_ELEM( \
BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(GRAMMAR)) \
, GRAMMAR \
) \
> \
> \
{}; \
#endif
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Swift