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CookCC - a Lexer / Parser (LALR(1)) Project
/*
* Copyright (c) 2008, Heng Yuan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Heng Yuan nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Heng Yuan ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Heng Yuan BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
[a-zA-Z_][a-zA-Z_0-9]*
[0-9]+
\'[^\\']\'
\\[0-9]{1,3}
\\x[[:xdigit:]]{1,2}
m_tokenList.add (yyText ());
[, \r\t\n]+
.
throw new IOException ("Invalid character: " + yyText ());
>]]>
return 0;
tag or similar tags that
* list a series of symbols. Things get complicated with single quoted characters
* and such.
*
* @author Heng Yuan
* @version $Id$
*/]]>
m_tokenList = new LinkedList ();
private TokenParser ()
{
}
public static String[] parseString (String input) throws IOException
{
TokenParser tokenParser = new TokenParser ();
tokenParser.setInput (new ByteArrayInputStream (input.getBytes ("US-ASCII")));
tokenParser.yyLex ();
return tokenParser.m_tokenList.toArray (new String[tokenParser.m_tokenList.size ()]);
}
]]>