| /* |
| [The "BSD license"] |
| Copyright (c) 2005-2009 Terence Parr |
| 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.runtime.debug; |
| |
| import org.antlr.runtime.RecognitionException; |
| import org.antlr.runtime.Token; |
| |
| /** A blank listener that does nothing; useful for real classes so |
| * they don't have to have lots of blank methods and are less |
| * sensitive to updates to debug interface. |
| */ |
| public class BlankDebugEventListener implements DebugEventListener { |
| public void enterRule(String grammarFileName, String ruleName) {} |
| public void exitRule(String grammarFileName, String ruleName) {} |
| public void enterAlt(int alt) {} |
| public void enterSubRule(int decisionNumber) {} |
| public void exitSubRule(int decisionNumber) {} |
| public void enterDecision(int decisionNumber, boolean couldBacktrack) {} |
| public void exitDecision(int decisionNumber) {} |
| public void location(int line, int pos) {} |
| public void consumeToken(Token token) {} |
| public void consumeHiddenToken(Token token) {} |
| public void LT(int i, Token t) {} |
| public void mark(int i) {} |
| public void rewind(int i) {} |
| public void rewind() {} |
| public void beginBacktrack(int level) {} |
| public void endBacktrack(int level, boolean successful) {} |
| public void recognitionException(RecognitionException e) {} |
| public void beginResync() {} |
| public void endResync() {} |
| public void semanticPredicate(boolean result, String predicate) {} |
| public void commence() {} |
| public void terminate() {} |
| |
| // Tree parsing stuff |
| |
| public void consumeNode(Object t) {} |
| public void LT(int i, Object t) {} |
| |
| // AST Stuff |
| |
| public void nilNode(Object t) {} |
| public void errorNode(Object t) {} |
| public void createNode(Object t) {} |
| public void createNode(Object node, Token token) {} |
| public void becomeRoot(Object newRoot, Object oldRoot) {} |
| public void addChild(Object root, Object child) {} |
| public void setTokenBoundaries(Object t, int tokenStartIndex, int tokenStopIndex) {} |
| } |
| |
| |