59 lines
2.6 KiB
C++
59 lines
2.6 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// taskwarrior - a command line task list manager.
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//
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// Copyright 2006-2013, Paul Beckingham, Federico Hernandez.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// http://www.opensource.org/licenses/mit-license.php
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//
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////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDED_LRPARSER
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#define INCLUDED_LRPARSER
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#include <map>
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#include <Parser.h>
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class LRParser : public Parser
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{
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public:
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LRParser ();
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Tree* parse (const std::string&);
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void addEntity (const std::string&, const std::string&);
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private:
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bool matchRuleQuant (const std::string&, char, unsigned int&, const std::string&, Tree*);
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bool matchRule (const std::string&, char, unsigned int&, const std::string&, Tree*);
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bool matchAlternate (const std::string&, char, unsigned int, const Alternate&, unsigned int&, const std::string&, Tree*);
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bool matchToken (const std::string&, char, unsigned int, unsigned int, const Token&, unsigned int&, const std::string&, Tree*);
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bool tokenMatchSpecialLiteral (const Token&, unsigned int&, const std::string&, Tree*);
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bool tokenMatchLiteral (const Token&, unsigned int&, const std::string&, Tree*);
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bool tokenMatchRegex (const Token&, unsigned int&, const std::string&, Tree*);
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bool tokenMatchRule (const std::string&, char, unsigned int, unsigned int, const Token&, unsigned int&, const std::string&, Tree*);
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private:
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std::multimap <std::string, std::string> _entities;
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};
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#endif
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////////////////////////////////////////////////////////////////////////////////
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