org.antlr.v4.runtime.atn.ErrorInfo 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.atn;
import org.antlr.v4.runtime.ANTLRErrorListener;
import org.antlr.v4.runtime.Parser;
import org.antlr.v4.runtime.RecognitionException;
import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.TokenStream;
/**
* This class represents profiling event information for a syntax error
* identified during prediction. Syntax errors occur when the prediction
* algorithm is unable to identify an alternative which would lead to a
* successful parse.
*
* @see Parser#notifyErrorListeners(Token, String, RecognitionException)
* @see ANTLRErrorListener#syntaxError
*
* @since 4.3
*/
public class ErrorInfo extends DecisionEventInfo {
/**
* Constructs a new instance of the {@link ErrorInfo} class with the
* specified detailed syntax error information.
*
* @param decision The decision number
* @param configs The final configuration set reached during prediction
* prior to reaching the {@link ATNSimulator#ERROR} state
* @param input The input token stream
* @param startIndex The start index for the current prediction
* @param stopIndex The index at which the syntax error was identified
* @param fullCtx {@code true} if the syntax error was identified during LL
* prediction; otherwise, {@code false} if the syntax error was identified
* during SLL prediction
*/
public ErrorInfo(int decision,
ATNConfigSet configs,
TokenStream input, int startIndex, int stopIndex,
boolean fullCtx)
{
super(decision, configs, input, startIndex, stopIndex, fullCtx);
}
}