65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Copyright (c) 2001-2011 Hartmut Kaiser
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#include "function.hpp"
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#include "error_handler.hpp"
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#include "annotation.hpp"
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namespace client { namespace parser
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{
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template <typename Iterator, typename Lexer>
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function<Iterator, Lexer>::function(
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error_handler<typename Lexer::base_iterator_type, Iterator>& error_handler
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, Lexer const& l)
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: function::base_type(start), body(error_handler, l)
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{
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qi::_1_type _1;
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qi::_2_type _2;
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qi::_3_type _3;
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qi::_4_type _4;
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qi::_val_type _val;
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using qi::on_error;
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using qi::on_success;
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using qi::fail;
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using boost::phoenix::function;
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typedef client::error_handler<typename Lexer::base_iterator_type, Iterator>
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error_handler_type;
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typedef function<error_handler_type> error_handler_function;
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typedef function<client::annotation<Iterator> > annotation_function;
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identifier = body.expr.identifier;
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argument_list = -(identifier % ',');
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start = (l.token("void") | l.token("int"))
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> identifier
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> '(' > argument_list > ')'
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> '{' > body > '}'
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;
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// Debugging and error handling and reporting support.
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BOOST_SPIRIT_DEBUG_NODES(
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(identifier)
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(argument_list)
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(start)
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);
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// Error handling: on error in start, call error_handler.
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on_error<fail>(start,
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error_handler_function(error_handler)(
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"Error! Expecting ", _4, _3));
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// Annotation: on success in start, call annotation.
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on_success(identifier,
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annotation_function(error_handler.iters)(_val, _1));
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}
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}}
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