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Diffstat (limited to 'src/third_party/boost/boost/spirit/home/classic/core/match.hpp')
| -rw-r--r-- | src/third_party/boost/boost/spirit/home/classic/core/match.hpp | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/src/third_party/boost/boost/spirit/home/classic/core/match.hpp b/src/third_party/boost/boost/spirit/home/classic/core/match.hpp deleted file mode 100644 index 6f1822ece39..00000000000 --- a/src/third_party/boost/boost/spirit/home/classic/core/match.hpp +++ /dev/null @@ -1,185 +0,0 @@ -/*============================================================================= - Copyright (c) 1998-2003 Joel de Guzman - http://spirit.sourceforge.net/ - - 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_MATCH_HPP) -#define BOOST_SPIRIT_MATCH_HPP - -#include <boost/spirit/home/classic/namespace.hpp> -#include <boost/spirit/home/classic/core/config.hpp> -#include <boost/spirit/home/classic/core/nil.hpp> -#include <boost/call_traits.hpp> -#include <boost/optional.hpp> -#include <boost/spirit/home/classic/core/assert.hpp> -#include <boost/spirit/home/classic/core/safe_bool.hpp> -#include <boost/spirit/home/classic/core/impl/match_attr_traits.ipp> -#include <boost/type_traits/add_const.hpp> -#include <boost/type_traits/is_reference.hpp> - -namespace boost { namespace spirit { - -BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN - - /////////////////////////////////////////////////////////////////////////// - // - // match class - // - // The match holds the result of a parser. A match object evaluates - // to true when a successful match is found, otherwise false. The - // length of the match is the number of characters (or tokens) that - // is successfully matched. This can be queried through its length() - // member function. A negative value means that the match is - // unsucessful. - // - // Each parser may have an associated attribute. This attribute is - // also returned back to the client on a successful parse through - // the match object. The match's value() member function returns the - // match's attribute. - // - // A match attribute is valid: - // - // * on a successful match - // * when its value is set through the value(val) member function - // * if it is assigned or copied from a compatible match object - // (e.g. match<double> from match<int>) with a valid attribute. - // - // The match attribute is undefined: - // - // * on an unsuccessful match - // * when an attempt to copy or assign from another match object - // with an incompatible attribute type (e.g. match<std::string> - // from match<int>). - // - // The member function has_valid_attribute() can be queried to know if - // it is safe to get the match's attribute. The attribute may be set - // through the member function value(v) where v is the new attribute - // value. - // - /////////////////////////////////////////////////////////////////////////// - template <typename T = nil_t> - class match : public safe_bool<match<T> > - { - - public: - - typedef typename boost::optional<T> optional_type; - typedef typename optional_type::argument_type ctor_param_t; - typedef typename optional_type::reference_const_type return_t; - typedef T attr_t; - - match(); - explicit match(std::size_t length); - match(std::size_t length, ctor_param_t val); - - bool operator!() const; - std::ptrdiff_t length() const; - bool has_valid_attribute() const; - return_t value() const; - void swap(match& other); - - template <typename T2> - match(match<T2> const& other) - : len(other.length()), val() - { - impl::match_attr_traits<T>::copy(val, other); - } - - template <typename T2> - match& - operator=(match<T2> const& other) - { - impl::match_attr_traits<T>::assign(val, other); - len = other.length(); - return *this; - } - - template <typename MatchT> - void - concat(MatchT const& other) - { - BOOST_SPIRIT_ASSERT(*this && other); - len += other.length(); - } - - template <typename ValueT> - void - value(ValueT const& val_) - { - impl::match_attr_traits<T>::set_value(val, val_, is_reference<T>()); - } - - bool operator_bool() const - { - return len >= 0; - } - - private: - - std::ptrdiff_t len; - optional_type val; - }; - - /////////////////////////////////////////////////////////////////////////// - // - // match class specialization for nil_t values - // - /////////////////////////////////////////////////////////////////////////// - template <> - class match<nil_t> : public safe_bool<match<nil_t> > - { - public: - - typedef nil_t attr_t; - typedef nil_t return_t; - - match(); - explicit match(std::size_t length); - match(std::size_t length, nil_t); - - bool operator!() const; - bool has_valid_attribute() const; - std::ptrdiff_t length() const; - nil_t value() const; - void value(nil_t); - void swap(match& other); - - template <typename T> - match(match<T> const& other) - : len(other.length()) {} - - template <typename T> - match<>& - operator=(match<T> const& other) - { - len = other.length(); - return *this; - } - - template <typename T> - void - concat(match<T> const& other) - { - BOOST_SPIRIT_ASSERT(*this && other); - len += other.length(); - } - - bool operator_bool() const - { - return len >= 0; - } - - private: - - std::ptrdiff_t len; - }; - -BOOST_SPIRIT_CLASSIC_NAMESPACE_END - -}} // namespace BOOST_SPIRIT_CLASSIC_NS - -#endif -#include <boost/spirit/home/classic/core/impl/match.ipp> - |