65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2001-2011 Joel de Guzman
|
|
Copyright (c) 2001-2011 Hartmut Kaiser
|
|
|
|
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)
|
|
=============================================================================*/
|
|
#include "function.hpp"
|
|
#include "error_handler.hpp"
|
|
#include "annotation.hpp"
|
|
|
|
namespace client { namespace parser
|
|
{
|
|
template <typename Iterator, typename Lexer>
|
|
function<Iterator, Lexer>::function(
|
|
error_handler<typename Lexer::base_iterator_type, Iterator>& error_handler
|
|
, Lexer const& l)
|
|
: function::base_type(start), body(error_handler, l)
|
|
{
|
|
qi::_1_type _1;
|
|
qi::_2_type _2;
|
|
qi::_3_type _3;
|
|
qi::_4_type _4;
|
|
|
|
qi::_val_type _val;
|
|
|
|
using qi::on_error;
|
|
using qi::on_success;
|
|
using qi::fail;
|
|
using boost::phoenix::function;
|
|
|
|
typedef client::error_handler<typename Lexer::base_iterator_type, Iterator>
|
|
error_handler_type;
|
|
typedef function<error_handler_type> error_handler_function;
|
|
typedef function<client::annotation<Iterator> > annotation_function;
|
|
|
|
identifier = body.expr.identifier;
|
|
argument_list = -(identifier % ',');
|
|
|
|
start = (l.token("void") | l.token("int"))
|
|
> identifier
|
|
> '(' > argument_list > ')'
|
|
> (';' | '{' > body > '}')
|
|
;
|
|
|
|
// Debugging and error handling and reporting support.
|
|
BOOST_SPIRIT_DEBUG_NODES(
|
|
(identifier)
|
|
(argument_list)
|
|
(start)
|
|
);
|
|
|
|
// Error handling: on error in start, call error_handler.
|
|
on_error<fail>(start,
|
|
error_handler_function(error_handler)(
|
|
"Error! Expecting ", _4, _3));
|
|
|
|
// Annotation: on success in start, call annotation.
|
|
on_success(identifier,
|
|
annotation_function(error_handler.iters)(_val, _1));
|
|
}
|
|
}}
|
|
|
|
|