Code Reorganization

- Eliminated the parser lib, merged into task.  Failed experiment.

src/LRParser.h

@@ -0,0 +1,58 @@
+////////////////////////////////////////////////////////////////////////////////
+// taskwarrior - a command line task list manager.
+//
+// Copyright 2006-2013, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// http://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef INCLUDED_LRPARSER
+#define INCLUDED_LRPARSER
+
+#include <map>
+#include <Parser.h>
+
+class LRParser : public Parser
+{
+public:
+  LRParser ();
+  Tree* parse (const std::string&);
+  void addEntity (const std::string&, const std::string&);
+
+private:
+  bool matchRuleQuant (const std::string&, char, unsigned int&, const std::string&, Tree*);
+  bool matchRule (const std::string&, char, unsigned int&, const std::string&, Tree*);
+  bool matchAlternate (const std::string&, char, unsigned int, const Alternate&, unsigned int&, const std::string&, Tree*);
+  bool matchToken (const std::string&, char, unsigned int, unsigned int, const Token&, unsigned int&, const std::string&, Tree*);
+
+  bool tokenMatchSpecialLiteral (const Token&, unsigned int&, const std::string&, Tree*);
+  bool tokenMatchLiteral (const Token&, unsigned int&, const std::string&, Tree*);
+  bool tokenMatchRegex (const Token&, unsigned int&, const std::string&, Tree*);
+  bool tokenMatchRule (const std::string&, char, unsigned int, unsigned int, const Token&, unsigned int&, const std::string&, Tree*);
+
+private:
+  std::multimap <std::string, std::string> _entities;
+};
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////