com.blazebit.persistence.parser.antlr.tree.ParseTreeListener Maven / Gradle / Ivy
/*
* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
package org.antlr.v4.runtime.tree;
import org.antlr.v4.runtime.ParserRuleContext;
/** This interface describes the minimal core of methods triggered
* by {@link ParseTreeWalker}. E.g.,
*
* ParseTreeWalker walker = new ParseTreeWalker();
* walker.walk(myParseTreeListener, myParseTree); <-- triggers events in your listener
*
* If you want to trigger events in multiple listeners during a single
* tree walk, you can use the ParseTreeDispatcher object available at
*
* https://github.com/antlr/antlr4/issues/841
*/
public interface ParseTreeListener {
void visitTerminal(TerminalNode node);
void visitErrorNode(ErrorNode node);
void enterEveryRule(ParserRuleContext ctx);
void exitEveryRule(ParserRuleContext ctx);
}