32 lines
497 B
C++
32 lines
497 B
C++
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#ifndef MATHEVAL_IMPLEMENTATION
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#error "Do not include parser.hpp directly!"
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#endif
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#pragma once
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#include "ast.hpp"
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#include <boost/spirit/home/x3.hpp>
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namespace mix_cc {
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namespace matheval {
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namespace x3 = boost::spirit::x3;
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namespace parser {
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struct expression_class;
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using expression_type = x3::rule<expression_class, ast::expression>;
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BOOST_SPIRIT_DECLARE(expression_type)
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} // namespace parser
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parser::expression_type grammar();
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} // namespace matheval
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} // namespace mix_cc
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