76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
/*=============================================================================
|
|
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_CONJURE_EXPRESSION_HPP)
|
|
#define BOOST_SPIRIT_CONJURE_EXPRESSION_HPP
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Spirit v2.5 allows you to suppress automatic generation
|
|
// of predefined terminals to speed up complation. With
|
|
// BOOST_SPIRIT_NO_PREDEFINED_TERMINALS defined, you are
|
|
// responsible in creating instances of the terminals that
|
|
// you need (e.g. see qi::uint_type uint_ below).
|
|
#define BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Uncomment this if you want to enable debugging
|
|
// #define BOOST_SPIRIT_QI_DEBUG
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <boost/spirit/include/qi.hpp>
|
|
#include "ast.hpp"
|
|
#include "error_handler.hpp"
|
|
#include "skipper.hpp"
|
|
#include <vector>
|
|
|
|
namespace client { namespace parser
|
|
{
|
|
namespace qi = boost::spirit::qi;
|
|
namespace ascii = boost::spirit::ascii;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// The expression grammar
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
template <typename Iterator>
|
|
struct expression : qi::grammar<Iterator, ast::expression(), skipper<Iterator> >
|
|
{
|
|
expression(error_handler<Iterator>& error_handler);
|
|
|
|
qi::rule<Iterator, ast::expression(), skipper<Iterator> >
|
|
expr
|
|
;
|
|
|
|
qi::rule<Iterator, ast::operand(), skipper<Iterator> >
|
|
unary_expr, primary_expr
|
|
;
|
|
|
|
qi::rule<Iterator, ast::function_call(), skipper<Iterator> >
|
|
function_call
|
|
;
|
|
|
|
qi::rule<Iterator, std::list<ast::expression>(), skipper<Iterator> >
|
|
argument_list
|
|
;
|
|
|
|
qi::rule<Iterator, std::string(), skipper<Iterator> >
|
|
identifier
|
|
;
|
|
|
|
qi::symbols<char, ast::optoken>
|
|
unary_op, binary_op
|
|
;
|
|
|
|
qi::symbols<char>
|
|
keywords
|
|
;
|
|
};
|
|
}}
|
|
|
|
#endif
|
|
|
|
|