55 lines
1.8 KiB
Java
55 lines
1.8 KiB
Java
/* :folding=explicit:collapseFolds=1: */
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/*
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* $Id$
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*
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* Copyright (C) 2004 Slava Pestov.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package factor.parser;
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import factor.*;
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/**
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* A definer where the word name to be defined follows the parsing word.
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* Eg, DEFER: SYMBOL: GENERIC: etc.
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*/
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public class Definer extends FactorParsingDefinition
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{
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public Definer(FactorWord word)
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{
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super(word);
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}
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public void eval(FactorReader reader)
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throws Exception
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{
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FactorWord w = reader.nextWord(true);
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/* Only ever null with restartable scanner;
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error already logged, so give up */
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if(w != null)
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w.setDefiner(word);
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}
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}
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