From 469bbcf0701e1eb8a6670c23145b0da87357e178 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Sun, 25 Mar 2012 20:00:08 +0000
Subject: Code is all reorganized.  We're about ready to release.  I should
 write up a little explenation of the arrangement.

---
 src/parser.h | 135 -----------------------------------------------------------
 1 file changed, 135 deletions(-)
 delete mode 100644 src/parser.h

(limited to 'src/parser.h')

diff --git a/src/parser.h b/src/parser.h
deleted file mode 100644
index a168c7b..0000000
--- a/src/parser.h
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (C) 2007-2011 Xagasoft, All rights reserved.
- *
- * This file is part of the libbu++ library and is released under the
- * terms of the license contained in the file LICENSE.
- */
-
-#ifndef BU_PARSER_H
-#define BU_PARSER_H
-
-#include "bu/string.h"
-#include "bu/list.h"
-#include "bu/array.h"
-#include "bu/hash.h"
-#include "bu/signals.h"
-
-#include "bu/lexer.h"
-
-namespace Bu
-{
-	/**
-	 * The base framework for a LR(1) grammar parser.  Provided a proper set of
-	 * ParserStates this will prase any input the lexer can provide.
-	 */
-	class Parser
-	{
-	public:
-		Parser();
-		virtual ~Parser();
-
-		/**
-		 * When a Lexer is pushed onto the stack it becomes the source for
-		 * future tokens read by the parser until it is popped off the stack.
-		 * The Parser takes ownership of every Lexer pushed onto the stack,
-		 * and will delete it when it is popped off the stack.
-		 */
-		void pushLexer( Lexer *pLex );
-
-		/**
-		 * Pop a lexer off the stack, and delete it.
-		 */
-		void popLexer();
-
-		Lexer::Token *popToken();
-		void pushToken( Lexer::Token *pTok );
-
-		/**
-		 * Execute a parse.
-		 */
-		void parse();
-
-		void setRootNonTerminal( int iRoot );
-		void setRootNonTerminal( const Bu::String &sRoot );
-
-		typedef Bu::Signal1<void, Parser &> Reduction;
-
-		/**
-		 * Represents a possible state, either a terminal or non-terminal symbol
-		 * in a Production.
-		 */
-		class State
-		{
-		public:
-			enum Type
-			{
-				typeTerminal,
-				typeTerminalPush,
-				typeNonTerminal,
-				typeReduction
-			};
-
-			State( Type eType, int iIndex );
-			virtual ~State();
-
-		//private:
-			Type eType;
-			int iIndex;
-		};
-
-		typedef Bu::List<State> Production;
-
-		class NonTerminal
-		{
-		public:
-			NonTerminal();
-			virtual ~NonTerminal();
-
-			void addProduction( Production p );
-			void setCanSkip();
-
-//		private:
-			typedef Bu::List<Production> ProductionList;
-			ProductionList lProduction;
-			bool bCanSkip;
-		};
-
-		int addNonTerminal( const Bu::String &sName, NonTerminal &nt );
-		int addNonTerminal( const Bu::String &sName );
-		void setNonTerminal( const Bu::String &sName, NonTerminal &nt );
-		int getNonTerminalId( const Bu::String &sName );
-		bool hasNonTerminal( const Bu::String &sName );
-
-		int addReduction( const Bu::String &sName, const Reduction &r );
-		int addReduction( const Bu::String &sName );
-		void setReduction( const Bu::String &sName, const Reduction &r );
-		int getReductionId( const Bu::String &sName );
-		bool hasReduction( const Bu::String &sName );
-
-	private:
-		bool selectProduction( int iNt, Lexer::Token *ptCur );
-		void advanceState();
-
-	private:
-		typedef Bu::List<Lexer *> LexerStack;
-		typedef Bu::List<Lexer::Token *> TokenStack;
-		typedef Bu::List<Production::const_iterator> StateStack;
-		typedef Bu::Array<Reduction> ReductionArray;
-		typedef Bu::Hash<Bu::String,int> NameIndexHash;
-		typedef Bu::Array<NonTerminal> NonTerminalArray;
-
-		LexerStack sLexer;
-		TokenStack sToken;
-		StateStack sState;
-		ReductionArray aReduction;
-		NameIndexHash hReductionName;
-		NonTerminalArray aNonTerminal;
-		NameIndexHash hNonTerminalName;
-		int iRootNonTerminal;
-	};
-Bu::Formatter &operator<<( Bu::Formatter &f, Bu::Parser::State::Type t );
-Bu::Formatter &operator<<( Bu::Formatter &f, const Bu::Parser::State &s );
-};
-
-
-#endif
-- 
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