/*
* [The "BSD license"]
* Copyright (c) 2012 Terence Parr
* Copyright (c) 2012 Sam Harwell
* All rights reserved.
*
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 org.antlr.v4.tool.ast;
import org.antlr.runtime.CommonToken;
import org.antlr.runtime.Token;
public class RuleRefAST extends GrammarASTWithOptions implements RuleElementAST {
public RuleRefAST(RuleRefAST node) {
super(node);
}
public RuleRefAST(Token t) { super(t); }
public RuleRefAST(int type) { super(type); }
public RuleRefAST(int type, Token t) { super(type, t); }
/** Dup token too since we overwrite during LR rule transform */
@Override
public RuleRefAST dupNode() {
RuleRefAST r = new RuleRefAST(this);
// In LR transform, we alter original token stream to make e -> e[n]
// Since we will be altering the dup, we need dup to have the
// original token. We can set this tree (the original) to have
// a new token.
r.token = this.token;
this.token = new CommonToken(r.token);
return r;
}
@Override
public Object visit(GrammarASTVisitor v) { return v.visit(this); }
}