factor/factor/parser/BeginStruct.java

56 lines
1.9 KiB
Java

/* :folding=explicit:collapseFolds=1: */
/*
* $Id$
*
* Copyright (C) 2005 Slava Pestov.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED ``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 THE
* DEVELOPERS AND CONTRIBUTORS 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.
*/
package factor.parser;
import factor.*;
public class BeginStruct extends FactorParsingDefinition
{
public BeginStruct(FactorWord word)
{
super(word);
}
public void eval(FactorReader reader) throws Exception
{
Object next = reader.nextNonEOL(false,false);
if(!(next instanceof String))
{
reader.getScanner().error("Missing struct name");
return;
}
String structName = (String)next;
reader.intern("<" + structName + ">",true);
reader.intern("<" + structName + "-array>",true);
reader.intern(structName + "-nth",true);
reader.pushState(word,null);
}
}