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/*
 * 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 com.hazelcast.org.antlr.v4.runtime;

/**
 * This class extends {@link ParserRuleContext} by allowing the value of
 * {@link #getRuleIndex} to be explicitly set for the context.
 *
 * 

* {@link ParserRuleContext} does not include field storage for the rule index * since the context classes created by the code generator override the * {@link #getRuleIndex} method to return the correct value for that context. * Since the parser interpreter does not use the context classes generated for a * parser, this class (with slightly more memory overhead per node) is used to * provide equivalent functionality.

*/ public class InterpreterRuleContext extends ParserRuleContext { /** This is the backing field for {@link #getRuleIndex}. */ protected int ruleIndex = -1; public InterpreterRuleContext() { } /** * Constructs a new {@link InterpreterRuleContext} with the specified * parent, invoking state, and rule index. * * @param parent The parent context. * @param invokingStateNumber The invoking state number. * @param ruleIndex The rule index for the current context. */ public InterpreterRuleContext(ParserRuleContext parent, int invokingStateNumber, int ruleIndex) { super(parent, invokingStateNumber); this.ruleIndex = ruleIndex; } @Override public int getRuleIndex() { return ruleIndex; } }




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