/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.shell.syntax;
/**
* This class represents the micro-syntax for an instance of an Argument.
*
* @author crawley@jnode.org
*/
public class MuArgument extends MuSyntax {
private final String argName;
private final int flags;
public MuArgument(String argName) {
this (null, argName, 0);
}
public MuArgument(String label, String argName, int flags) {
super(label);
if (argName.length() == 0) {
throw new IllegalArgumentException("empty argName");
}
this.argName = argName;
this.flags = flags;
}
@Override
String format(FormatState state) {
return "<<" + argName + ">>";
}
@Override
public MuSyntaxKind getKind() {
return MuSyntaxKind.ARGUMENT;
}
public String getArgName() {
return argName;
}
@Override
MuSyntax resolveBackReferences(ResolveState state) throws SyntaxFailureException {
if (label != null) {
state.refMap.put(label, this);
}
return this;
}
public int getFlags() {
return flags;
}
}