Swiftdiff options
Diffstat (limited to '3rdParty/Boost/src/boost/lambda/detail/operators.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/lambda/detail/operators.hpp | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/lambda/detail/operators.hpp b/3rdParty/Boost/src/boost/lambda/detail/operators.hpp new file mode 100644 index 0000000..149e1ee --- /dev/null +++ b/3rdParty/Boost/src/boost/lambda/detail/operators.hpp @@ -0,0 +1,370 @@ +// Boost Lambda Library - operators.hpp -------------------------------------- + +// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi) +// +// 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) +// +// For more information, see www.boost.org + +// --------------------------------------------------------------- + +#ifndef BOOST_LAMBDA_OPERATORS_HPP +#define BOOST_LAMBDA_OPERATORS_HPP + +#include "boost/lambda/detail/is_instance_of.hpp" + +namespace boost { +namespace lambda { + +#if defined BOOST_LAMBDA_BE1 +#error "Multiple defines of BOOST_LAMBDA_BE1" +#endif + + // For all BOOSTA_LAMBDA_BE* macros: + + // CONSTA must be either 'A' or 'const A' + // CONSTB must be either 'B' or 'const B' + + // It is stupid to have the names A and B as macro arguments, but it avoids + // the need to pass in emtpy macro arguments, which gives warnings on some + // compilers + +#define BOOST_LAMBDA_BE1(OPER_NAME, ACTION, CONSTA, CONSTB, CONVERSION) \ +template<class Arg, class B> \ +inline const \ +lambda_functor< \ + lambda_functor_base< \ + ACTION, \ + tuple<lambda_functor<Arg>, typename const_copy_argument <CONSTB>::type> \ + > \ +> \ +OPER_NAME (const lambda_functor<Arg>& a, CONSTB& b) { \ + return \ + lambda_functor_base< \ + ACTION, \ + tuple<lambda_functor<Arg>, typename const_copy_argument <CONSTB>::type>\ + > \ + (tuple<lambda_functor<Arg>, typename const_copy_argument <CONSTB>::type>(a, b)); \ +} + + +#if defined BOOST_LAMBDA_BE2 +#error "Multiple defines of BOOST_LAMBDA_BE2" +#endif + +#define BOOST_LAMBDA_BE2(OPER_NAME, ACTION, CONSTA, CONSTB, CONVERSION) \ +template<class A, class Arg> \ +inline const \ +lambda_functor< \ + lambda_functor_base< \ + ACTION, \ + tuple<typename CONVERSION <CONSTA>::type, lambda_functor<Arg> > \ + > \ +> \ +OPER_NAME (CONSTA& a, const lambda_functor<Arg>& b) { \ + return \ + lambda_functor_base< \ + ACTION, \ + tuple<typename CONVERSION <CONSTA>::type, lambda_functor<Arg> > \ + > \ + (tuple<typename CONVERSION <CONSTA>::type, lambda_functor<Arg> >(a, b)); \ +} + + +#if defined BOOST_LAMBDA_BE3 +#error "Multiple defines of BOOST_LAMBDA_BE3" +#endif + +#define BOOST_LAMBDA_BE3(OPER_NAME, ACTION, CONSTA, CONSTB, CONVERSION) \ +template<class ArgA, class ArgB> \ +inline const \ +lambda_functor< \ + lambda_functor_base< \ + ACTION, \ + tuple<lambda_functor<ArgA>, lambda_functor<ArgB> > \ + > \ +> \ +OPER_NAME (const lambda_functor<ArgA>& a, const lambda_functor<ArgB>& b) { \ + return \ + lambda_functor_base< \ + ACTION, \ + tuple<lambda_functor<ArgA>, lambda_functor<ArgB> > \ + > \ + (tuple<lambda_functor<ArgA>, lambda_functor<ArgB> >(a, b)); \ +} + +#if defined BOOST_LAMBDA_BE +#error "Multiple defines of BOOST_LAMBDA_BE" +#endif + +#define BOOST_LAMBDA_BE(OPER_NAME, ACTION, CONSTA, CONSTB, CONST_CONVERSION) \ +BOOST_LAMBDA_BE1(OPER_NAME, ACTION, CONSTA, CONSTB, CONST_CONVERSION) \ +BOOST_LAMBDA_BE2(OPER_NAME, ACTION, CONSTA, CONSTB, CONST_CONVERSION) \ +BOOST_LAMBDA_BE3(OPER_NAME, ACTION, CONSTA, CONSTB, CONST_CONVERSION) + +#define BOOST_LAMBDA_EMPTY() + +BOOST_LAMBDA_BE(operator+, arithmetic_action<plus_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator-, arithmetic_action<minus_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator*, arithmetic_action<multiply_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator/, arithmetic_action<divide_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator%, arithmetic_action<remainder_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator<<, bitwise_action<leftshift_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator>>, bitwise_action<rightshift_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator&, bitwise_action<and_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator|, bitwise_action<or_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator^, bitwise_action<xor_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator&&, logical_action<and_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator||, logical_action<or_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator<, relational_action<less_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator>, relational_action<greater_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator<=, relational_action<lessorequal_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator>=, relational_action<greaterorequal_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator==, relational_action<equal_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE(operator!=, relational_action<notequal_action>, const A, const B, const_copy_argument) + +BOOST_LAMBDA_BE(operator+=, arithmetic_assignment_action<plus_action>, A, const B, reference_argument) +BOOST_LAMBDA_BE(operator-=, arithmetic_assignment_action<minus_action>, A, const B, reference_argument) +BOOST_LAMBDA_BE(operator*=, arithmetic_assignment_action<multiply_action>, A, const B, reference_argument) +BOOST_LAMBDA_BE(operator/=, arithmetic_assignment_action<divide_action>, A, const B, reference_argument) +BOOST_LAMBDA_BE(operator%=, arithmetic_assignment_action<remainder_action>, A, const B, reference_argument) +BOOST_LAMBDA_BE(operator<<=, bitwise_assignment_action<leftshift_action>, A, const B, reference_argument) +BOOST_LAMBDA_BE(operator>>=, bitwise_assignment_action<rightshift_action>, A, const B, reference_argument) +BOOST_LAMBDA_BE(operator&=, bitwise_assignment_action<and_action>, A, const B, reference_argument) +BOOST_LAMBDA_BE(operator|=, bitwise_assignment_action<or_action>, A, const B, reference_argument) +BOOST_LAMBDA_BE(operator^=, bitwise_assignment_action<xor_action>, A, const B, reference_argument) + + +// A special trick for comma operator for correct preprocessing +#if defined BOOST_LAMBDA_COMMA_OPERATOR_NAME +#error "Multiple defines of BOOST_LAMBDA_COMMA_OPERATOR_NAME" +#endif + +#define BOOST_LAMBDA_COMMA_OPERATOR_NAME operator, + +BOOST_LAMBDA_BE1(BOOST_LAMBDA_COMMA_OPERATOR_NAME, other_action<comma_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE2(BOOST_LAMBDA_COMMA_OPERATOR_NAME, other_action<comma_action>, const A, const B, const_copy_argument) +BOOST_LAMBDA_BE3(BOOST_LAMBDA_COMMA_OPERATOR_NAME, other_action<comma_action>, const A, const B, const_copy_argument) + + + +namespace detail { + +// special cases for ostream& << Any and istream& >> Any --------------- +// the actual stream classes may vary and thus a specialisation for, +// say ostream& does not match (the general case above is chosen). +// Therefore we specialise for non-const reference: +// if the left argument is a stream, we store the stream as reference +// if it is something else, we store a const plain by default + +// Note that the overloading is const vs. non-const first argument + +#ifdef BOOST_NO_TEMPLATED_STREAMS +template<class T> struct convert_ostream_to_ref_others_to_c_plain_by_default { + typedef typename detail::IF< + boost::is_convertible<T*, std::ostream*>::value, + T&, + typename const_copy_argument <T>::type + >::RET type; +}; + +template<class T> struct convert_istream_to_ref_others_to_c_plain_by_default { + typedef typename detail::IF< + boost::is_convertible<T*, std::istream*>::value, + T&, + typename const_copy_argument <T>::type + >::RET type; +}; +#else + +template<class T> struct convert_ostream_to_ref_others_to_c_plain_by_default { + typedef typename detail::IF< + is_instance_of_2< + T, std::basic_ostream + >::value, + T&, + typename const_copy_argument <T>::type + >::RET type; +}; + +template<class T> struct convert_istream_to_ref_others_to_c_plain_by_default { + typedef typename detail::IF< + is_instance_of_2< + T, std::basic_istream + >::value, + T&, + typename const_copy_argument <T>::type + >::RET type; +}; +#endif + +} // detail + +BOOST_LAMBDA_BE2(operator<<, bitwise_action< leftshift_action>, A, const B, detail::convert_ostream_to_ref_others_to_c_plain_by_default) +BOOST_LAMBDA_BE2(operator>>, bitwise_action< rightshift_action>, A, const B, detail::convert_istream_to_ref_others_to_c_plain_by_default) + + +// special case for io_manipulators. +// function references cannot be given as arguments to lambda operator +// expressions in general. With << and >> the use of manipulators is +// so common, that specializations are provided to make them work. + +template<class Arg, class Ret, class ManipArg> +inline const +lambda_functor< + lambda_functor_base< + bitwise_action<leftshift_action>, + tuple<lambda_functor<Arg>, Ret(&)(ManipArg)> + > +> +operator<<(const lambda_functor<Arg>& a, Ret(&b)(ManipArg)) +{ + return + lambda_functor_base< + bitwise_action<leftshift_action>, + tuple<lambda_functor<Arg>, Ret(&)(ManipArg)> + > + ( tuple<lambda_functor<Arg>, Ret(&)(ManipArg)>(a, b) ); +} + +template<class Arg, class Ret, class ManipArg> +inline const +lambda_functor< + lambda_functor_base< + bitwise_action<rightshift_action>, + tuple<lambda_functor<Arg>, Ret(&)(ManipArg)> + > +> +operator>>(const lambda_functor<Arg>& a, Ret(&b)(ManipArg)) +{ + return + lambda_functor_base< + bitwise_action<rightshift_action>, + tuple<lambda_functor<Arg>, Ret(&)(ManipArg)> + > + ( tuple<lambda_functor<Arg>, Ret(&)(ManipArg)>(a, b) ); +} + + +// (+ and -) take their arguments as const references. +// This has consquences with pointer artihmetic +// E.g int a[]; ... *a = 1 works but not *(a+1) = 1. +// the result of a+1 would be const +// To make the latter work too, +// non-const arrays are taken as non-const and stored as non-const as well. +#if defined BOOST_LAMBDA_PTR_ARITHMETIC_E1 +#error "Multiple defines of BOOST_LAMBDA_PTR_ARITHMETIC_E1" +#endif + +#define BOOST_LAMBDA_PTR_ARITHMETIC_E1(OPER_NAME, ACTION, CONSTB) \ +template<class Arg, int N, class B> \ +inline const \ +lambda_functor< \ + lambda_functor_base<ACTION, tuple<lambda_functor<Arg>, CONSTB(&)[N]> > \ +> \ +OPER_NAME (const lambda_functor<Arg>& a, CONSTB(&b)[N]) \ +{ \ + return \ + lambda_functor_base<ACTION, tuple<lambda_functor<Arg>, CONSTB(&)[N]> > \ + (tuple<lambda_functor<Arg>, CONSTB(&)[N]>(a, b)); \ +} + + +#if defined BOOST_LAMBDA_PTR_ARITHMETIC_E2 +#error "Multiple defines of BOOST_LAMBDA_PTR_ARITHMETIC_E2" +#endif + +#define BOOST_LAMBDA_PTR_ARITHMETIC_E2(OPER_NAME, ACTION, CONSTA) \ +template<int N, class A, class Arg> \ +inline const \ +lambda_functor< \ + lambda_functor_base<ACTION, tuple<CONSTA(&)[N], lambda_functor<Arg> > > \ +> \ +OPER_NAME (CONSTA(&a)[N], const lambda_functor<Arg>& b) \ +{ \ + return \ + lambda_functor_base<ACTION, tuple<CONSTA(&)[N], lambda_functor<Arg> > > \ + (tuple<CONSTA(&)[N], lambda_functor<Arg> >(a, b)); \ +} + + +BOOST_LAMBDA_PTR_ARITHMETIC_E1(operator+, arithmetic_action<plus_action>, B) +BOOST_LAMBDA_PTR_ARITHMETIC_E2(operator+, arithmetic_action<plus_action>, A) +BOOST_LAMBDA_PTR_ARITHMETIC_E1(operator+, arithmetic_action<plus_action>,const B) +BOOST_LAMBDA_PTR_ARITHMETIC_E2(operator+, arithmetic_action<plus_action>,const A) + + +//BOOST_LAMBDA_PTR_ARITHMETIC_E1(operator-, arithmetic_action<minus_action>) +// This is not needed, since the result of ptr-ptr is an rvalue anyway + +BOOST_LAMBDA_PTR_ARITHMETIC_E2(operator-, arithmetic_action<minus_action>, A) +BOOST_LAMBDA_PTR_ARITHMETIC_E2(operator-, arithmetic_action<minus_action>, const A) + + +#undef BOOST_LAMBDA_BE1 +#undef BOOST_LAMBDA_BE2 +#undef BOOST_LAMBDA_BE3 +#undef BOOST_LAMBDA_BE +#undef BOOST_LAMBDA_COMMA_OPERATOR_NAME + +#undef BOOST_LAMBDA_PTR_ARITHMETIC_E1 +#undef BOOST_LAMBDA_PTR_ARITHMETIC_E2 + + +// --------------------------------------------------------------------- +// unary operators ----------------------------------------------------- +// --------------------------------------------------------------------- + +#if defined BOOST_LAMBDA_UE +#error "Multiple defines of BOOST_LAMBDA_UE" +#endif + +#define BOOST_LAMBDA_UE(OPER_NAME, ACTION) \ +template<class Arg> \ +inline const \ +lambda_functor<lambda_functor_base<ACTION, tuple<lambda_functor<Arg> > > > \ +OPER_NAME (const lambda_functor<Arg>& a) \ +{ \ + return \ + lambda_functor_base<ACTION, tuple<lambda_functor<Arg> > > \ + ( tuple<lambda_functor<Arg> >(a) ); \ +} + + +BOOST_LAMBDA_UE(operator+, unary_arithmetic_action<plus_action>) +BOOST_LAMBDA_UE(operator-, unary_arithmetic_action<minus_action>) +BOOST_LAMBDA_UE(operator~, bitwise_action<not_action>) +BOOST_LAMBDA_UE(operator!, logical_action<not_action>) +BOOST_LAMBDA_UE(operator++, pre_increment_decrement_action<increment_action>) +BOOST_LAMBDA_UE(operator--, pre_increment_decrement_action<decrement_action>) +BOOST_LAMBDA_UE(operator*, other_action<contentsof_action>) +BOOST_LAMBDA_UE(operator&, other_action<addressof_action>) + +#if defined BOOST_LAMBDA_POSTFIX_UE +#error "Multiple defines of BOOST_LAMBDA_POSTFIX_UE" +#endif + +#define BOOST_LAMBDA_POSTFIX_UE(OPER_NAME, ACTION) \ +template<class Arg> \ +inline const \ +lambda_functor<lambda_functor_base<ACTION, tuple<lambda_functor<Arg> > > > \ +OPER_NAME (const lambda_functor<Arg>& a, int) \ +{ \ + return \ + lambda_functor_base<ACTION, tuple<lambda_functor<Arg> > > \ + ( tuple<lambda_functor<Arg> >(a) ); \ +} + + +BOOST_LAMBDA_POSTFIX_UE(operator++, post_increment_decrement_action<increment_action>) +BOOST_LAMBDA_POSTFIX_UE(operator--, post_increment_decrement_action<decrement_action>) + +#undef BOOST_LAMBDA_UE +#undef BOOST_LAMBDA_POSTFIX_UE + +} // namespace lambda +} // namespace boost + +#endif |