/*
 * 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 Also:
Since:4.3
/** * 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 ErrorInfo class with the specified detailed syntax error information.
Params:
  • decision – The decision number
  • configs – The final configuration set reached during prediction prior to reaching the ATNSimulator.ERROR state
  • input – The input token stream
  • startIndex – The start index for the current prediction
  • stopIndex – The index at which the syntax error was identified
  • fullCtx – true if the syntax error was identified during LL prediction; otherwise, false if the syntax error was identified during SLL prediction
/** * 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); } }