diff options
Diffstat (limited to 'src/third_party/boost-1.69.0/boost/spirit/home/classic/core/composite/alternative.hpp')
-rw-r--r-- | src/third_party/boost-1.69.0/boost/spirit/home/classic/core/composite/alternative.hpp | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/third_party/boost-1.69.0/boost/spirit/home/classic/core/composite/alternative.hpp b/src/third_party/boost-1.69.0/boost/spirit/home/classic/core/composite/alternative.hpp deleted file mode 100644 index 5e472a9a640..00000000000 --- a/src/third_party/boost-1.69.0/boost/spirit/home/classic/core/composite/alternative.hpp +++ /dev/null @@ -1,147 +0,0 @@ -/*============================================================================= - Copyright (c) 1998-2003 Joel de Guzman - Copyright (c) 2001 Daniel Nuffer - Copyright (c) 2002 Hartmut Kaiser - 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_ALTERNATIVE_HPP) -#define BOOST_SPIRIT_ALTERNATIVE_HPP - -#include <boost/spirit/home/classic/namespace.hpp> -#include <boost/spirit/home/classic/core/parser.hpp> -#include <boost/spirit/home/classic/core/primitives/primitives.hpp> -#include <boost/spirit/home/classic/core/composite/composite.hpp> -#include <boost/spirit/home/classic/meta/as_parser.hpp> - -namespace boost { namespace spirit { - -BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN - - /////////////////////////////////////////////////////////////////////////// - // - // alternative class - // - // Handles expressions of the form: - // - // a | b - // - // where a and b are parsers. The expression returns a composite - // parser that matches a or b. One (not both) of the operands may - // be a literal char, wchar_t or a primitive string char const*, - // wchar_t const*. - // - // The expression is short circuit evaluated. b is never touched - // when a is returns a successful match. - // - /////////////////////////////////////////////////////////////////////////// - struct alternative_parser_gen; - -#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) -#pragma warning(push) -#pragma warning(disable:4512) //assignment operator could not be generated -#endif - - template <typename A, typename B> - struct alternative - : public binary<A, B, parser<alternative<A, B> > > - { - typedef alternative<A, B> self_t; - typedef binary_parser_category parser_category_t; - typedef alternative_parser_gen parser_generator_t; - typedef binary<A, B, parser<self_t> > base_t; - - alternative(A const& a, B const& b) - : base_t(a, b) {} - - template <typename ScannerT> - typename parser_result<self_t, ScannerT>::type - parse(ScannerT const& scan) const - { - typedef typename parser_result<self_t, ScannerT>::type result_t; - typedef typename ScannerT::iterator_t iterator_t; - { // scope for save - iterator_t save = scan.first; - if (result_t hit = this->left().parse(scan)) - return hit; - scan.first = save; - } - return this->right().parse(scan); - } - }; - -#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) -#pragma warning(pop) -#endif - - struct alternative_parser_gen - { - template <typename A, typename B> - struct result - { - typedef - alternative< - typename as_parser<A>::type - , typename as_parser<B>::type - > - type; - }; - - template <typename A, typename B> - static alternative< - typename as_parser<A>::type - , typename as_parser<B>::type - > - generate(A const& a, B const& b) - { - return alternative<BOOST_DEDUCED_TYPENAME as_parser<A>::type, - BOOST_DEDUCED_TYPENAME as_parser<B>::type> - (as_parser<A>::convert(a), as_parser<B>::convert(b)); - } - }; - - template <typename A, typename B> - alternative<A, B> - operator|(parser<A> const& a, parser<B> const& b); - - template <typename A> - alternative<A, chlit<char> > - operator|(parser<A> const& a, char b); - - template <typename B> - alternative<chlit<char>, B> - operator|(char a, parser<B> const& b); - - template <typename A> - alternative<A, strlit<char const*> > - operator|(parser<A> const& a, char const* b); - - template <typename B> - alternative<strlit<char const*>, B> - operator|(char const* a, parser<B> const& b); - - template <typename A> - alternative<A, chlit<wchar_t> > - operator|(parser<A> const& a, wchar_t b); - - template <typename B> - alternative<chlit<wchar_t>, B> - operator|(wchar_t a, parser<B> const& b); - - template <typename A> - alternative<A, strlit<wchar_t const*> > - operator|(parser<A> const& a, wchar_t const* b); - - template <typename B> - alternative<strlit<wchar_t const*>, B> - operator|(wchar_t const* a, parser<B> const& b); - -BOOST_SPIRIT_CLASSIC_NAMESPACE_END - -}} // namespace BOOST_SPIRIT_CLASSIC_NS - -#endif - -#include <boost/spirit/home/classic/core/composite/impl/alternative.ipp> |