39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
// This file is distributed under the BSD License.
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// See LICENSE.TXT for details.
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#ifndef LANGKIT_PARSER_HPP_
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#define LANGKIT_PARSER_HPP_
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#include <boost/function.hpp>
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#include "langkit_lexer.hpp"
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typedef std::vector<TokenPtr>::iterator Token_Iterator;
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typedef std::tr1::shared_ptr<struct Rule> RulePtr;
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typedef boost::function<std::pair<Token_Iterator, bool>(Token_Iterator iter, Token_Iterator end, TokenPtr parent)> RuleFun;
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struct Rule {
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int identifier;
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RuleFun rule;
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std::pair<Token_Iterator, bool> operator()(Token_Iterator iter, Token_Iterator end, TokenPtr parent);
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Rule() : identifier(-1) {}
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Rule(int id) : identifier(id) {}
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Rule(RuleFun fun) : rule(fun) {}
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};
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std::pair<Token_Iterator, bool> String_Rule
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(Token_Iterator iter, Token_Iterator end, TokenPtr parent, const std::string &val, bool keep);
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std::pair<Token_Iterator, bool> Type_Rule
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(Token_Iterator iter, Token_Iterator end, TokenPtr parent, const int val, bool keep);
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std::pair<Token_Iterator, bool> Or_Rule
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(Token_Iterator iter, Token_Iterator end, TokenPtr parent, const RulePtr lhs, const RulePtr rhs, bool keep);
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std::pair<Token_Iterator, bool> And_Rule
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(Token_Iterator iter, Token_Iterator end, TokenPtr parent, const RulePtr lhs, const RulePtr rhs, bool keep);
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#endif /* LANGKIT_PARSER_HPP_ */
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